%------------------------------------------------------------------------------
% File : Z3---4.15.1
% Problem : GRA004+1 : TPTP v9.0.0. Bugfixed v3.2.0.
% Transfm : none
% Format : tptp
% Command : run_E %s %d THM
% Computer : n001.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8042.1875MB
% OS : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sat Jun 21 05:06:36 AM UTC 2025
% Result : Theorem 0.22s 0.41s
% Output : Proof 0.22s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.13 % Problem : GRA004+1 : TPTP v9.0.0. Bugfixed v3.2.0.
% 0.05/0.13 % Command : run_E %s %d THM
% 0.14/0.35 % Computer : n001.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Thu Jun 19 15:26:33 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.22/0.41 % SZS status Theorem
% 0.22/0.41 % SZS output start Proof
% 0.22/0.41 tff(tail_of_type, type, (
% 0.22/0.41 tail_of: $i > $i)).
% 0.22/0.41 tff(tptp_fun_E1_11_type, type, (
% 0.22/0.41 tptp_fun_E1_11: $i)).
% 0.22/0.41 tff(head_of_type, type, (
% 0.22/0.41 head_of: $i > $i)).
% 0.22/0.41 tff(tptp_fun_E2_10_type, type, (
% 0.22/0.41 tptp_fun_E2_10: $i)).
% 0.22/0.41 tff(tptp_fun_E3_14_type, type, (
% 0.22/0.41 tptp_fun_E3_14: $i)).
% 0.22/0.41 tff(precedes_type, type, (
% 0.22/0.41 precedes: ( $i * $i * $i ) > $o)).
% 0.22/0.41 tff(tptp_fun_P_9_type, type, (
% 0.22/0.41 tptp_fun_P_9: $i)).
% 0.22/0.41 tff(shortest_path_type, type, (
% 0.22/0.41 shortest_path: ( $i * $i * $i ) > $o)).
% 0.22/0.41 tff(tptp_fun_V2_12_type, type, (
% 0.22/0.41 tptp_fun_V2_12: $i)).
% 0.22/0.41 tff(tptp_fun_V1_13_type, type, (
% 0.22/0.41 tptp_fun_V1_13: $i)).
% 0.22/0.41 tff(edge_type, type, (
% 0.22/0.41 edge: $i > $o)).
% 0.22/0.41 tff(sequential_type, type, (
% 0.22/0.41 sequential: ( $i * $i ) > $o)).
% 0.22/0.41 tff(on_path_type, type, (
% 0.22/0.41 on_path: ( $i * $i ) > $o)).
% 0.22/0.41 tff(tptp_fun_E3_5_type, type, (
% 0.22/0.41 tptp_fun_E3_5: ( $i * $i * $i ) > $i)).
% 0.22/0.41 tff(path_type, type, (
% 0.22/0.41 path: ( $i * $i * $i ) > $o)).
% 0.22/0.41 tff(less_or_equal_type, type, (
% 0.22/0.41 less_or_equal: ( $i * $i ) > $o)).
% 0.22/0.41 tff(length_of_type, type, (
% 0.22/0.41 length_of: $i > $i)).
% 0.22/0.41 tff(tptp_fun_P_6_type, type, (
% 0.22/0.41 tptp_fun_P_6: ( $i * $i * $i ) > $i)).
% 0.22/0.41 tff(in_path_type, type, (
% 0.22/0.41 in_path: ( $i * $i ) > $o)).
% 0.22/0.41 tff(tptp_fun_E_2_type, type, (
% 0.22/0.41 tptp_fun_E_2: ( $i * $i * $i ) > $i)).
% 0.22/0.41 tff(path_cons_type, type, (
% 0.22/0.41 path_cons: ( $i * $i ) > $i)).
% 0.22/0.41 tff(empty_type, type, (
% 0.22/0.41 empty: $i)).
% 0.22/0.41 tff(tptp_fun_TP_3_type, type, (
% 0.22/0.41 tptp_fun_TP_3: ( $i * $i * $i ) > $i)).
% 0.22/0.41 tff(vertex_type, type, (
% 0.22/0.41 vertex: $i > $o)).
% 0.22/0.41 tff(1,plain,
% 0.22/0.41 (((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))) <=> (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.41 inference(rewrite,[status(thm)],[])).
% 0.22/0.41 tff(2,plain,
% 0.22/0.41 ((((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11))) <=> ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))),
% 0.22/0.41 inference(rewrite,[status(thm)],[])).
% 0.22/0.41 tff(3,plain,
% 0.22/0.41 (((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)))) <=> ((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.41 inference(monotonicity,[status(thm)],[2])).
% 0.22/0.41 tff(4,plain,
% 0.22/0.41 (((shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9)) & (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) | (head_of(E2!10) = tail_of(E1!11)) | (head_of(E2!10) = head_of(E1!11)))) <=> (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.41 inference(transitivity,[status(thm)],[3, 1])).
% 0.22/0.41 tff(5,plain,
% 0.22/0.41 ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))) <=> (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1))))))),
% 0.22/0.41 inference(rewrite,[status(thm)],[])).
% 0.22/0.41 tff(6,plain,
% 0.22/0.41 ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1)))) & (~(head_of(E2) = head_of(E1)))))) <=> (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1))))))),
% 0.22/0.41 inference(rewrite,[status(thm)],[])).
% 0.22/0.41 tff(7,axiom,(~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1)))) & (~(head_of(E2) = head_of(E1)))))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','shortest_path_properties_lemma')).
% 0.22/0.41 tff(8,plain,
% 0.22/0.41 (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.22/0.41 inference(modus_ponens,[status(thm)],[7, 6])).
% 0.22/0.41 tff(9,plain,
% 0.22/0.41 (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.22/0.41 inference(modus_ponens,[status(thm)],[8, 5])).
% 0.22/0.41 tff(10,plain,
% 0.22/0.41 (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.22/0.41 inference(modus_ponens,[status(thm)],[9, 5])).
% 0.22/0.41 tff(11,plain,
% 0.22/0.41 (~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~(head_of(E2) = tail_of(E1))) & (~(head_of(E2) = head_of(E1)))))),
% 0.22/0.41 inference(modus_ponens,[status(thm)],[10, 5])).
% 0.22/0.41 tff(12,plain,
% 0.22/0.41 (shortest_path(V1!13, V2!12, P!9) & precedes(E1!11, E2!10, P!9) & ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))))),
% 0.22/0.41 inference(modus_ponens,[status(thm)],[11, 4])).
% 0.22/0.41 tff(13,plain,
% 0.22/0.41 (precedes(E1!11, E2!10, P!9)),
% 0.22/0.41 inference(and_elim,[status(thm)],[12])).
% 0.22/0.41 tff(14,plain,
% 0.22/0.41 (shortest_path(V1!13, V2!12, P!9)),
% 0.22/0.41 inference(and_elim,[status(thm)],[12])).
% 0.22/0.41 tff(15,plain,
% 0.22/0.41 (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : refl(((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))),
% 0.22/0.41 inference(bind,[status(th)],[])).
% 0.22/0.41 tff(16,plain,
% 0.22/0.41 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.41 inference(quant_intro,[status(thm)],[15])).
% 0.22/0.41 tff(17,plain,
% 0.22/0.41 (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : rewrite(((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))),
% 0.22/0.41 inference(bind,[status(th)],[])).
% 0.22/0.41 tff(18,plain,
% 0.22/0.41 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.42 inference(quant_intro,[status(thm)],[17])).
% 0.22/0.42 tff(19,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.42 inference(transitivity,[status(thm)],[18, 16])).
% 0.22/0.42 tff(20,plain,
% 0.22/0.42 (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : trans(monotonicity(trans(monotonicity(rewrite((shortest_path(V1, V2, P) & precedes(E1, E2, P)) <=> (~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))), ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) <=> (~(~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))))), rewrite((~(~((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)))), ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))))), trans(monotonicity(quant_intro(proof_bind(^[E3: $i] : trans(monotonicity(rewrite(((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2))) <=> (~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))), ((~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> (~(~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))))), rewrite((~(~((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))) <=> ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))), ((~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))))), (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> ![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))))), ((![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), rewrite((![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))), ((![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))), (((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> (((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))))), rewrite((((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P))) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))), (((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))))),
% 0.22/0.42 inference(bind,[status(th)],[])).
% 0.22/0.42 tff(21,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.42 inference(quant_intro,[status(thm)],[20])).
% 0.22/0.42 tff(22,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.22/0.42 inference(rewrite,[status(thm)],[])).
% 0.22/0.42 tff(23,plain,
% 0.22/0.42 (^[V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : trans(monotonicity(monotonicity(rewrite((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) <=> (~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2))))), (((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))) <=> ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), (((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))))), rewrite(((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), (((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))))),
% 0.22/0.42 inference(bind,[status(th)],[])).
% 0.22/0.42 tff(24,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P)))) <=> ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.22/0.42 inference(quant_intro,[status(thm)],[23])).
% 0.22/0.42 tff(25,axiom,(![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((shortest_path(V1, V2, P) & precedes(E1, E2, P)) => ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','shortest_path_properties')).
% 0.22/0.42 tff(26,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.22/0.42 inference(modus_ponens,[status(thm)],[25, 24])).
% 0.22/0.42 tff(27,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | ((~?[E3: $i] : ((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.22/0.42 inference(modus_ponens,[status(thm)],[26, 22])).
% 0.22/0.42 tff(28,plain,(
% 0.22/0.42 ![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~(shortest_path(V1, V2, P) & precedes(E1, E2, P))) | (![E3: $i] : (~((tail_of(E3) = tail_of(E1)) & (head_of(E3) = head_of(E2)))) & (~precedes(E2, E1, P))))),
% 0.22/0.42 inference(skolemize,[status(sab)],[27])).
% 0.22/0.42 tff(29,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.42 inference(modus_ponens,[status(thm)],[28, 21])).
% 0.22/0.42 tff(30,plain,
% 0.22/0.42 (![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))),
% 0.22/0.42 inference(modus_ponens,[status(thm)],[29, 19])).
% 0.22/0.42 tff(31,plain,
% 0.22/0.42 (((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9)))) <=> ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9)))),
% 0.22/0.42 inference(rewrite,[status(thm)],[])).
% 0.22/0.42 tff(32,plain,
% 0.22/0.42 (((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)))) <=> ((~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9)))),
% 0.22/0.42 inference(rewrite,[status(thm)],[])).
% 0.22/0.42 tff(33,plain,
% 0.22/0.42 ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) <=> (~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10)))))),
% 0.22/0.42 inference(rewrite,[status(thm)],[])).
% 0.22/0.42 tff(34,plain,
% 0.22/0.42 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))),
% 0.22/0.42 inference(monotonicity,[status(thm)],[33])).
% 0.22/0.42 tff(35,plain,
% 0.22/0.42 ((~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) <=> (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)))),
% 0.22/0.42 inference(monotonicity,[status(thm)],[34])).
% 0.22/0.42 tff(36,plain,
% 0.22/0.42 (((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)))) <=> ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))),
% 0.22/0.42 inference(monotonicity,[status(thm)],[35])).
% 0.22/0.42 tff(37,plain,
% 0.22/0.42 (((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)))) <=> ((~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9)))),
% 0.22/0.42 inference(transitivity,[status(thm)],[36, 32])).
% 0.22/0.42 tff(38,plain,
% 0.22/0.42 (((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))) <=> ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9))))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[37])).
% 0.22/0.43 tff(39,plain,
% 0.22/0.43 (((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))) <=> ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9)))),
% 0.22/0.43 inference(transitivity,[status(thm)],[38, 31])).
% 0.22/0.43 tff(40,plain,
% 0.22/0.43 ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~precedes(E1!11, E2!10, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))))),
% 0.22/0.43 inference(quant_inst,[status(thm)],[])).
% 0.22/0.43 tff(41,plain,
% 0.22/0.43 ((~![V1: $i, V2: $i, E1: $i, E2: $i, P: $i] : ((~shortest_path(V1, V2, P)) | (~precedes(E1, E2, P)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1))) | (~(head_of(E3) = head_of(E2))))) | precedes(E2, E1, P))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))) | (~precedes(E1!11, E2!10, P!9))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[40, 39])).
% 0.22/0.43 tff(42,plain,
% 0.22/0.43 (~((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9))),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[41, 30, 14, 13])).
% 0.22/0.43 tff(43,plain,
% 0.22/0.43 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)) | ![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))),
% 0.22/0.43 inference(tautology,[status(thm)],[])).
% 0.22/0.43 tff(44,plain,
% 0.22/0.43 (![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[43, 42])).
% 0.22/0.43 tff(45,assumption,(~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))), introduced(assumption)).
% 0.22/0.43 tff(46,plain,
% 0.22/0.43 (((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))) | (head_of(E3!14) = head_of(E2!10))),
% 0.22/0.43 inference(tautology,[status(thm)],[])).
% 0.22/0.43 tff(47,plain,
% 0.22/0.43 (head_of(E3!14) = head_of(E2!10)),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[46, 45])).
% 0.22/0.43 tff(48,plain,
% 0.22/0.43 (((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))) | (tail_of(E3!14) = tail_of(E1!11))),
% 0.22/0.43 inference(tautology,[status(thm)],[])).
% 0.22/0.43 tff(49,plain,
% 0.22/0.43 (tail_of(E3!14) = tail_of(E1!11)),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[48, 45])).
% 0.22/0.43 tff(50,plain,
% 0.22/0.43 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(51,plain,
% 0.22/0.43 ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))),
% 0.22/0.43 inference(quant_inst,[status(thm)],[])).
% 0.22/0.43 tff(52,plain,
% 0.22/0.43 ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[51, 50])).
% 0.22/0.43 tff(53,plain,
% 0.22/0.43 ($false),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[52, 49, 47, 44])).
% 0.22/0.43 tff(54,plain,((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))), inference(lemma,lemma(discharge,[]))).
% 0.22/0.43 tff(55,plain,
% 0.22/0.43 ((head_of(E1!11) = head_of(E2!10)) <=> (head_of(E2!10) = head_of(E1!11))),
% 0.22/0.43 inference(commutativity,[status(thm)],[])).
% 0.22/0.43 tff(56,plain,
% 0.22/0.43 ((~(head_of(E1!11) = head_of(E2!10))) <=> (~(head_of(E2!10) = head_of(E1!11)))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[55])).
% 0.22/0.43 tff(57,plain,
% 0.22/0.43 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(58,plain,
% 0.22/0.43 (($false | (~(head_of(E1!11) = head_of(E2!10)))) <=> (~(head_of(E1!11) = head_of(E2!10)))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(59,plain,
% 0.22/0.43 ((~$true) <=> $false),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(60,plain,
% 0.22/0.43 ((tail_of(E1!11) = tail_of(E1!11)) <=> $true),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(61,plain,
% 0.22/0.43 ((~(tail_of(E1!11) = tail_of(E1!11))) <=> (~$true)),
% 0.22/0.43 inference(monotonicity,[status(thm)],[60])).
% 0.22/0.43 tff(62,plain,
% 0.22/0.43 ((~(tail_of(E1!11) = tail_of(E1!11))) <=> $false),
% 0.22/0.43 inference(transitivity,[status(thm)],[61, 59])).
% 0.22/0.43 tff(63,plain,
% 0.22/0.43 (((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> ($false | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[62])).
% 0.22/0.43 tff(64,plain,
% 0.22/0.43 (((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10)))) <=> (~(head_of(E1!11) = head_of(E2!10)))),
% 0.22/0.43 inference(transitivity,[status(thm)],[63, 58])).
% 0.22/0.43 tff(65,plain,
% 0.22/0.43 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[64])).
% 0.22/0.43 tff(66,plain,
% 0.22/0.43 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))) <=> ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.22/0.43 inference(transitivity,[status(thm)],[65, 57])).
% 0.22/0.43 tff(67,plain,
% 0.22/0.43 ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | ((~(tail_of(E1!11) = tail_of(E1!11))) | (~(head_of(E1!11) = head_of(E2!10))))),
% 0.22/0.43 inference(quant_inst,[status(thm)],[])).
% 0.22/0.43 tff(68,plain,
% 0.22/0.43 ((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | (~(head_of(E1!11) = head_of(E2!10)))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[67, 66])).
% 0.22/0.43 tff(69,plain,
% 0.22/0.43 (~(head_of(E1!11) = head_of(E2!10))),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[68, 44])).
% 0.22/0.43 tff(70,plain,
% 0.22/0.43 (~(head_of(E2!10) = head_of(E1!11))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[69, 56])).
% 0.22/0.43 tff(71,plain,
% 0.22/0.43 (((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))) <=> ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(72,plain,
% 0.22/0.43 (((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10))) <=> (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(73,plain,
% 0.22/0.43 (((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))) <=> ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[72])).
% 0.22/0.43 tff(74,plain,
% 0.22/0.43 (((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))) <=> ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10))))))),
% 0.22/0.43 inference(transitivity,[status(thm)],[73, 71])).
% 0.22/0.43 tff(75,plain,
% 0.22/0.43 ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | ((tail_of(E3!14) = tail_of(E1!11)) & (head_of(E3!14) = head_of(E2!10)))),
% 0.22/0.43 inference(and_elim,[status(thm)],[12])).
% 0.22/0.43 tff(76,plain,
% 0.22/0.43 ((head_of(E2!10) = head_of(E1!11)) | (head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[75, 74])).
% 0.22/0.43 tff(77,plain,
% 0.22/0.43 ((head_of(E2!10) = tail_of(E1!11)) | (~((~(tail_of(E3!14) = tail_of(E1!11))) | (~(head_of(E3!14) = head_of(E2!10)))))),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[76, 70])).
% 0.22/0.43 tff(78,plain,
% 0.22/0.43 (head_of(E2!10) = tail_of(E1!11)),
% 0.22/0.43 inference(unit_resolution,[status(thm)],[77, 54])).
% 0.22/0.43 tff(79,plain,
% 0.22/0.43 (^[E1: $i, E2: $i] : refl((~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2))) <=> (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2))))),
% 0.22/0.43 inference(bind,[status(th)],[])).
% 0.22/0.43 tff(80,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2))) <=> ![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))),
% 0.22/0.43 inference(quant_intro,[status(thm)],[79])).
% 0.22/0.43 tff(81,plain,
% 0.22/0.43 (^[E1: $i, E2: $i] : trans(trans(monotonicity(rewrite((edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))), ((sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> (sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))))), rewrite((sequential(E1, E2) <=> (~((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))))) <=> (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))), ((sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2))))), rewrite((~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2))) <=> (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))), ((sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))))),
% 0.22/0.43 inference(bind,[status(th)],[])).
% 0.22/0.43 tff(82,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))),
% 0.22/0.43 inference(quant_intro,[status(thm)],[81])).
% 0.22/0.43 tff(83,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(84,plain,
% 0.22/0.43 (^[E1: $i, E2: $i] : rewrite((sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2)))) <=> (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2)))))),
% 0.22/0.43 inference(bind,[status(th)],[])).
% 0.22/0.43 tff(85,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2)))) <=> ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.22/0.43 inference(quant_intro,[status(thm)],[84])).
% 0.22/0.43 tff(86,axiom,(![E1: $i, E2: $i] : (sequential(E1, E2) <=> (((edge(E1) & edge(E2)) & (~(E1 = E2))) & (head_of(E1) = tail_of(E2))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','sequential_defn')).
% 0.22/0.43 tff(87,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[86, 85])).
% 0.22/0.43 tff(88,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[87, 83])).
% 0.22/0.43 tff(89,plain,(
% 0.22/0.43 ![E1: $i, E2: $i] : (sequential(E1, E2) <=> (edge(E1) & edge(E2) & (~(E1 = E2)) & (head_of(E1) = tail_of(E2))))),
% 0.22/0.43 inference(skolemize,[status(sab)],[88])).
% 0.22/0.43 tff(90,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[89, 82])).
% 0.22/0.43 tff(91,plain,
% 0.22/0.43 (![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))),
% 0.22/0.43 inference(modus_ponens,[status(thm)],[90, 80])).
% 0.22/0.43 tff(92,plain,
% 0.22/0.43 (((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)))) <=> ((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(93,plain,
% 0.22/0.43 ((~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))) <=> (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(94,plain,
% 0.22/0.43 ((((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11)) <=> (((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))),
% 0.22/0.43 inference(rewrite,[status(thm)],[])).
% 0.22/0.43 tff(95,plain,
% 0.22/0.43 ((~(((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11))) <=> (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[94])).
% 0.22/0.43 tff(96,plain,
% 0.22/0.43 ((~(((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11))) <=> (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)))),
% 0.22/0.43 inference(transitivity,[status(thm)],[95, 93])).
% 0.22/0.43 tff(97,plain,
% 0.22/0.43 (((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11)))) <=> ((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))))),
% 0.22/0.43 inference(monotonicity,[status(thm)],[96])).
% 0.22/0.43 tff(98,plain,
% 0.22/0.43 (((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11)))) <=> ((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))))),
% 0.22/0.44 inference(transitivity,[status(thm)],[97, 92])).
% 0.22/0.44 tff(99,plain,
% 0.22/0.44 ((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((E2!10 = E1!11) | (~edge(E1!11)) | (~edge(E2!10)) | (~(head_of(E2!10) = tail_of(E1!11)))) <=> sequential(E2!10, E1!11)))),
% 0.22/0.44 inference(quant_inst,[status(thm)],[])).
% 0.22/0.44 tff(100,plain,
% 0.22/0.44 ((~![E1: $i, E2: $i] : (~(((E1 = E2) | (~edge(E2)) | (~edge(E1)) | (~(head_of(E1) = tail_of(E2)))) <=> sequential(E1, E2)))) | (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[99, 98])).
% 0.22/0.44 tff(101,plain,
% 0.22/0.44 (~(((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11))),
% 0.22/0.44 inference(unit_resolution,[status(thm)],[100, 91])).
% 0.22/0.44 tff(102,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : rewrite((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(103,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[102])).
% 0.22/0.44 tff(104,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : refl((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(105,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[104])).
% 0.22/0.44 tff(106,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : rewrite((~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(107,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[106])).
% 0.22/0.44 tff(108,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(transitivity,[status(thm)],[107, 105])).
% 0.22/0.44 tff(109,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : trans(monotonicity(rewrite(((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) <=> ((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))), rewrite(((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))) <=> ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))), ((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))), rewrite((((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))), ((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(110,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) <=> ![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[109])).
% 0.22/0.44 tff(111,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : rewrite((((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (V1 = V2) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))) <=> (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(112,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (V1 = V2) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))) <=> ![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[111])).
% 0.22/0.44 tff(113,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) <=> ![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.22/0.44 inference(rewrite,[status(thm)],[])).
% 0.22/0.44 tff(114,plain,
% 0.22/0.44 (^[V1: $i, V2: $i, SP: $i] : rewrite((shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P))))) <=> (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))),
% 0.22/0.44 inference(bind,[status(th)],[])).
% 0.22/0.44 tff(115,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P))))) <=> ![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.22/0.44 inference(quant_intro,[status(thm)],[114])).
% 0.22/0.44 tff(116,axiom,(![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> ((path(V1, V2, SP) & (~(V1 = V2))) & ![P: $i] : (path(V1, V2, P) => less_or_equal(length_of(SP), length_of(P)))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','shortest_path_defn')).
% 0.22/0.44 tff(117,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[116, 115])).
% 0.22/0.44 tff(118,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (shortest_path(V1, V2, SP) <=> (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[117, 113])).
% 0.22/0.44 tff(119,plain,(
% 0.22/0.44 ![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & (shortest_path(V1, V2, SP) | ((~path(V1, V2, SP)) | (V1 = V2) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))))),
% 0.22/0.44 inference(skolemize,[status(sab)],[118])).
% 0.22/0.44 tff(120,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (((~shortest_path(V1, V2, SP)) | (path(V1, V2, SP) & (~(V1 = V2)) & ![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))) & ((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[119, 112])).
% 0.22/0.44 tff(121,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[120, 110])).
% 0.22/0.44 tff(122,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P)))))))) | (~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1)))))))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[121, 108])).
% 0.22/0.44 tff(123,plain,
% 0.22/0.44 (![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))),
% 0.22/0.44 inference(modus_ponens,[status(thm)],[122, 103])).
% 0.22/0.44 tff(124,plain,
% 0.22/0.44 (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))))))),
% 0.22/0.44 inference(rewrite,[status(thm)],[])).
% 0.22/0.44 tff(125,plain,
% 0.22/0.44 ((~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))))))))) <=> (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))))))),
% 0.22/0.44 inference(rewrite,[status(thm)],[])).
% 0.22/0.44 tff(126,plain,
% 0.22/0.44 (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))))))),
% 0.22/0.44 inference(monotonicity,[status(thm)],[125])).
% 0.22/0.44 tff(127,plain,
% 0.22/0.45 (((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))) <=> ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))))))),
% 0.22/0.45 inference(transitivity,[status(thm)],[126, 124])).
% 0.22/0.45 tff(128,plain,
% 0.22/0.45 ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~((V1!13 = V2!12) | shortest_path(V1!13, V2!12, P!9) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P))))))))))),
% 0.22/0.45 inference(quant_inst,[status(thm)],[])).
% 0.22/0.45 tff(129,plain,
% 0.22/0.45 ((~![V1: $i, V2: $i, SP: $i] : (~((~((V1 = V2) | shortest_path(V1, V2, SP) | (~path(V1, V2, SP)) | (~((~path(V1, V2, tptp_fun_P_6(SP, V2, V1))) | less_or_equal(length_of(SP), length_of(tptp_fun_P_6(SP, V2, V1))))))) | (~((~shortest_path(V1, V2, SP)) | (~((V1 = V2) | (~path(V1, V2, SP)) | (~![P: $i] : ((~path(V1, V2, P)) | less_or_equal(length_of(SP), length_of(P))))))))))) | (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))))))),
% 0.22/0.45 inference(modus_ponens,[status(thm)],[128, 127])).
% 0.22/0.45 tff(130,plain,
% 0.22/0.45 (~((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))))),
% 0.22/0.45 inference(unit_resolution,[status(thm)],[129, 123])).
% 0.22/0.45 tff(131,plain,
% 0.22/0.45 (((~(shortest_path(V1!13, V2!12, P!9) | (V1!13 = V2!12) | (~path(V1!13, V2!12, P!9)) | (~((~path(V1!13, V2!12, tptp_fun_P_6(P!9, V2!12, V1!13))) | less_or_equal(length_of(P!9), length_of(tptp_fun_P_6(P!9, V2!12, V1!13))))))) | (~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))))) | ((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))),
% 0.22/0.45 inference(tautology,[status(thm)],[])).
% 0.22/0.45 tff(132,plain,
% 0.22/0.45 ((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))),
% 0.22/0.45 inference(unit_resolution,[status(thm)],[131, 130])).
% 0.22/0.45 tff(133,plain,
% 0.22/0.45 ((~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))) | (~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))),
% 0.22/0.45 inference(tautology,[status(thm)],[])).
% 0.22/0.45 tff(134,plain,
% 0.22/0.45 ((~((~shortest_path(V1!13, V2!12, P!9)) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))))) | (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))))),
% 0.22/0.45 inference(unit_resolution,[status(thm)],[133, 14])).
% 0.22/0.45 tff(135,plain,
% 0.22/0.45 (~((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9)))),
% 0.22/0.45 inference(unit_resolution,[status(thm)],[134, 132])).
% 0.22/0.45 tff(136,plain,
% 0.22/0.45 (((V1!13 = V2!12) | (~![P: $i] : ((~path(V1!13, V2!12, P)) | less_or_equal(length_of(P!9), length_of(P)))) | (~path(V1!13, V2!12, P!9))) | path(V1!13, V2!12, P!9)),
% 0.22/0.45 inference(tautology,[status(thm)],[])).
% 0.22/0.45 tff(137,plain,
% 0.22/0.45 (path(V1!13, V2!12, P!9)),
% 0.22/0.45 inference(unit_resolution,[status(thm)],[136, 135])).
% 0.22/0.45 tff(138,plain,
% 0.22/0.45 (^[P: $i, V1: $i, V2: $i] : refl(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.22/0.45 inference(bind,[status(th)],[])).
% 0.22/0.45 tff(139,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.45 inference(quant_intro,[status(thm)],[138])).
% 0.22/0.45 tff(140,plain,
% 0.22/0.45 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.22/0.45 inference(bind,[status(th)],[])).
% 0.22/0.45 tff(141,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.45 inference(quant_intro,[status(thm)],[140])).
% 0.22/0.45 tff(142,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.45 inference(transitivity,[status(thm)],[141, 139])).
% 0.22/0.45 tff(143,plain,
% 0.22/0.45 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))))),
% 0.22/0.45 inference(bind,[status(th)],[])).
% 0.22/0.45 tff(144,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.45 inference(quant_intro,[status(thm)],[143])).
% 0.22/0.45 tff(145,plain,
% 0.22/0.45 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))))),
% 0.22/0.45 inference(bind,[status(th)],[])).
% 0.22/0.45 tff(146,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.45 inference(quant_intro,[status(thm)],[145])).
% 0.22/0.45 tff(147,plain,
% 0.22/0.45 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.45 inference(rewrite,[status(thm)],[])).
% 0.22/0.45 tff(148,plain,
% 0.22/0.45 (^[P: $i, V1: $i, V2: $i] : trans(monotonicity(quant_intro(proof_bind(^[E1: $i, E2: $i] : trans(monotonicity(trans(monotonicity(trans(monotonicity(rewrite((sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))) <=> (sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))), ((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), rewrite((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))), ((~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), (((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), rewrite(((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), (((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) <=> (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), ((precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> (precedes(E1, E2, P) => (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), rewrite((precedes(E1, E2, P) => (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))), ((precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))))), (![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> (path(V1, V2, P) => ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))))), rewrite((path(V1, V2, P) => ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))))),
% 0.22/0.46 inference(bind,[status(th)],[])).
% 0.22/0.46 tff(149,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.46 inference(quant_intro,[status(thm)],[148])).
% 0.22/0.46 tff(150,axiom,(![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (precedes(E1, E2, P) => ((on_path(E1, P) & on_path(E2, P)) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','precedes_properties')).
% 0.22/0.46 tff(151,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[150, 149])).
% 0.22/0.46 tff(152,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (~(sequential(E1, E2) <=> ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[151, 147])).
% 0.22/0.46 tff(153,plain,(
% 0.22/0.46 ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & ((sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))))),
% 0.22/0.46 inference(skolemize,[status(sab)],[152])).
% 0.22/0.46 tff(154,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | (sequential(E1, tptp_fun_E3_5(E2, E1, P)) & precedes(tptp_fun_E3_5(E2, E1, P), E2, P))) & ((~sequential(E1, E2)) | ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[153, 146])).
% 0.22/0.46 tff(155,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[154, 144])).
% 0.22/0.46 tff(156,plain,
% 0.22/0.46 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[155, 142])).
% 0.22/0.46 tff(157,plain,
% 0.22/0.46 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9))))))),
% 0.22/0.46 inference(rewrite,[status(thm)],[])).
% 0.22/0.46 tff(158,plain,
% 0.22/0.46 (((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) <=> ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9))))))),
% 0.22/0.46 inference(rewrite,[status(thm)],[])).
% 0.22/0.46 tff(159,plain,
% 0.22/0.46 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))))),
% 0.22/0.46 inference(monotonicity,[status(thm)],[158])).
% 0.22/0.46 tff(160,plain,
% 0.22/0.46 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9))))))),
% 0.22/0.46 inference(transitivity,[status(thm)],[159, 157])).
% 0.22/0.46 tff(161,plain,
% 0.22/0.46 ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))),
% 0.22/0.46 inference(quant_inst,[status(thm)],[])).
% 0.22/0.46 tff(162,plain,
% 0.22/0.46 ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P)) | (~((~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P))) | (~precedes(tptp_fun_E3_5(E2, E1, P), E2, P)))))) | (~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))),
% 0.22/0.46 inference(modus_ponens,[status(thm)],[161, 160])).
% 0.22/0.46 tff(163,plain,
% 0.22/0.46 (![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))),
% 0.22/0.46 inference(unit_resolution,[status(thm)],[162, 156, 137])).
% 0.22/0.46 tff(164,plain,
% 0.22/0.46 (((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10))))))) <=> ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | (~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10))))))),
% 0.22/0.47 inference(rewrite,[status(thm)],[])).
% 0.22/0.47 tff(165,plain,
% 0.22/0.47 (((~precedes(E1!11, E2!10, P!9)) | (~((~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9))))) <=> ((~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10))))))),
% 0.22/0.47 inference(rewrite,[status(thm)],[])).
% 0.22/0.47 tff(166,plain,
% 0.22/0.47 (((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)))))) <=> ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10)))))))),
% 0.22/0.47 inference(monotonicity,[status(thm)],[165])).
% 0.22/0.47 tff(167,plain,
% 0.22/0.47 (((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)))))) <=> ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | (~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10))))))),
% 0.22/0.47 inference(transitivity,[status(thm)],[166, 164])).
% 0.22/0.47 tff(168,plain,
% 0.22/0.47 ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | ((~precedes(E1!11, E2!10, P!9)) | (~((~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~(sequential(E1!11, E2!10) | (~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))))) | (~on_path(E2!10, P!9)) | (~on_path(E1!11, P!9)))))),
% 0.22/0.47 inference(quant_inst,[status(thm)],[])).
% 0.22/0.47 tff(169,plain,
% 0.22/0.47 ((~![E1: $i, E2: $i] : ((~precedes(E1, E2, P!9)) | (~((~((~sequential(E1, E2)) | ![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))) | (~(sequential(E1, E2) | (~((~sequential(E1, tptp_fun_E3_5(E2, E1, P!9))) | (~precedes(tptp_fun_E3_5(E2, E1, P!9), E2, P!9)))))) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)))))) | (~precedes(E1!11, E2!10, P!9)) | (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10)))))),
% 0.22/0.47 inference(modus_ponens,[status(thm)],[168, 167])).
% 0.22/0.47 tff(170,plain,
% 0.22/0.47 (~((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10))))),
% 0.22/0.47 inference(unit_resolution,[status(thm)],[169, 13, 163])).
% 0.22/0.47 tff(171,plain,
% 0.22/0.47 (((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10)))) | on_path(E1!11, P!9)),
% 0.22/0.47 inference(tautology,[status(thm)],[])).
% 0.22/0.47 tff(172,plain,
% 0.22/0.47 (on_path(E1!11, P!9)),
% 0.22/0.47 inference(unit_resolution,[status(thm)],[171, 170])).
% 0.22/0.47 tff(173,plain,
% 0.22/0.47 (((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~sequential(E1!11, E2!10)) | ![E3: $i] : ((~sequential(E1!11, E3)) | (~precedes(E3, E2!10, P!9))))) | (~((~((~sequential(E1!11, tptp_fun_E3_5(E2!10, E1!11, P!9))) | (~precedes(tptp_fun_E3_5(E2!10, E1!11, P!9), E2!10, P!9)))) | sequential(E1!11, E2!10)))) | on_path(E2!10, P!9)),
% 0.22/0.47 inference(tautology,[status(thm)],[])).
% 0.22/0.47 tff(174,plain,
% 0.22/0.47 (on_path(E2!10, P!9)),
% 0.22/0.47 inference(unit_resolution,[status(thm)],[173, 170])).
% 0.22/0.47 tff(175,plain,
% 0.22/0.47 (^[P: $i, V1: $i, V2: $i] : refl(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.47 inference(bind,[status(th)],[])).
% 0.22/0.47 tff(176,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.47 inference(quant_intro,[status(thm)],[175])).
% 0.22/0.47 tff(177,plain,
% 0.22/0.47 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.47 inference(bind,[status(th)],[])).
% 0.22/0.47 tff(178,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.47 inference(quant_intro,[status(thm)],[177])).
% 0.22/0.47 tff(179,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.47 inference(transitivity,[status(thm)],[178, 176])).
% 0.22/0.47 tff(180,plain,
% 0.22/0.47 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P)))))))))),
% 0.22/0.47 inference(bind,[status(th)],[])).
% 0.22/0.47 tff(181,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.47 inference(quant_intro,[status(thm)],[180])).
% 0.22/0.47 tff(182,plain,
% 0.22/0.47 (^[P: $i, V1: $i, V2: $i] : rewrite(((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P)))))))),
% 0.22/0.47 inference(bind,[status(th)],[])).
% 0.22/0.47 tff(183,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.22/0.47 inference(quant_intro,[status(thm)],[182])).
% 0.22/0.47 tff(184,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.22/0.47 inference(rewrite,[status(thm)],[])).
% 0.22/0.47 tff(185,plain,
% 0.22/0.47 (^[P: $i, V1: $i, V2: $i] : trans(monotonicity(quant_intro(proof_bind(^[E1: $i, E2: $i] : trans(monotonicity(trans(monotonicity(rewrite((sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))) <=> (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))), (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> ((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), rewrite(((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))), (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) <=> (on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))))), ((((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)))), rewrite(((on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))), ((((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))))), (![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)) <=> ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> (path(V1, V2, P) => ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))))), rewrite((path(V1, V2, P) => ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))), ((path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))))),
% 0.22/0.47 inference(bind,[status(th)],[])).
% 0.22/0.47 tff(186,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P))) <=> ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.22/0.47 inference(quant_intro,[status(thm)],[185])).
% 0.22/0.47 tff(187,axiom,(![P: $i, V1: $i, V2: $i] : (path(V1, V2, P) => ![E1: $i, E2: $i] : (((on_path(E1, P) & on_path(E2, P)) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P)))) => precedes(E1, E2, P)))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','precedes_defn')).
% 0.22/0.47 tff(188,plain,
% 0.22/0.47 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[187, 186])).
% 0.22/0.48 tff(189,plain,
% 0.22/0.48 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : ((~(on_path(E1, P) & on_path(E2, P) & (sequential(E1, E2) | ?[E3: $i] : (sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[188, 184])).
% 0.22/0.48 tff(190,plain,(
% 0.22/0.48 ![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (((~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))) | precedes(E1, E2, P)))),
% 0.22/0.48 inference(skolemize,[status(sab)],[189])).
% 0.22/0.48 tff(191,plain,
% 0.22/0.48 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | ((~sequential(E1, E2)) & ![E3: $i] : (~(sequential(E1, E3) & precedes(E3, E2, P))))))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[190, 183])).
% 0.22/0.48 tff(192,plain,
% 0.22/0.48 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[191, 181])).
% 0.22/0.48 tff(193,plain,
% 0.22/0.48 (![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[192, 179])).
% 0.22/0.48 tff(194,plain,
% 0.22/0.48 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.22/0.48 inference(rewrite,[status(thm)],[])).
% 0.22/0.48 tff(195,plain,
% 0.22/0.48 (((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) <=> ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.22/0.48 inference(rewrite,[status(thm)],[])).
% 0.22/0.48 tff(196,plain,
% 0.22/0.48 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))))),
% 0.22/0.48 inference(monotonicity,[status(thm)],[195])).
% 0.22/0.48 tff(197,plain,
% 0.22/0.48 (((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))) <=> ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.22/0.48 inference(transitivity,[status(thm)],[196, 194])).
% 0.22/0.48 tff(198,plain,
% 0.22/0.48 ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | ((~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E1, P!9)) | (~on_path(E2, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9))))))))),
% 0.22/0.48 inference(quant_inst,[status(thm)],[])).
% 0.22/0.48 tff(199,plain,
% 0.22/0.48 ((~![P: $i, V1: $i, V2: $i] : ((~path(V1, V2, P)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P) | (~on_path(E1, P)) | (~on_path(E2, P)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P))))))))) | (~path(V1!13, V2!12, P!9)) | ![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[198, 197])).
% 0.22/0.48 tff(200,plain,
% 0.22/0.48 (![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))),
% 0.22/0.48 inference(unit_resolution,[status(thm)],[199, 193, 137])).
% 0.22/0.48 tff(201,plain,
% 0.22/0.48 (((~![E3: $i] : ((~(tail_of(E3) = tail_of(E1!11))) | (~(head_of(E3) = head_of(E2!10))))) | precedes(E2!10, E1!11, P!9)) | (~precedes(E2!10, E1!11, P!9))),
% 0.22/0.48 inference(tautology,[status(thm)],[])).
% 0.22/0.48 tff(202,plain,
% 0.22/0.48 (~precedes(E2!10, E1!11, P!9)),
% 0.22/0.48 inference(unit_resolution,[status(thm)],[201, 42])).
% 0.22/0.48 tff(203,plain,
% 0.22/0.48 (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))),
% 0.22/0.48 inference(rewrite,[status(thm)],[])).
% 0.22/0.48 tff(204,plain,
% 0.22/0.48 ((precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))),
% 0.22/0.48 inference(rewrite,[status(thm)],[])).
% 0.22/0.48 tff(205,plain,
% 0.22/0.48 ((~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))) <=> (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)))),
% 0.22/0.48 inference(rewrite,[status(thm)],[])).
% 0.22/0.48 tff(206,plain,
% 0.22/0.48 ((precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))),
% 0.22/0.48 inference(monotonicity,[status(thm)],[205])).
% 0.22/0.48 tff(207,plain,
% 0.22/0.48 ((precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9))))))) <=> (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))),
% 0.22/0.48 inference(transitivity,[status(thm)],[206, 204])).
% 0.22/0.48 tff(208,plain,
% 0.22/0.48 (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)))))),
% 0.22/0.48 inference(monotonicity,[status(thm)],[207])).
% 0.22/0.48 tff(209,plain,
% 0.22/0.48 (((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))) <=> ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))))),
% 0.22/0.48 inference(transitivity,[status(thm)],[208, 203])).
% 0.22/0.48 tff(210,plain,
% 0.22/0.48 ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | (precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~(sequential(E2!10, E1!11) | (~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))))))),
% 0.22/0.48 inference(quant_inst,[status(thm)],[])).
% 0.22/0.48 tff(211,plain,
% 0.22/0.48 ((~![E1: $i, E2: $i] : (precedes(E1, E2, P!9) | (~on_path(E2, P!9)) | (~on_path(E1, P!9)) | (~(sequential(E1, E2) | (~![E3: $i] : ((~sequential(E1, E3)) | (~precedes(E3, E2, P!9)))))))) | precedes(E2!10, E1!11, P!9) | (~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)))),
% 0.22/0.48 inference(modus_ponens,[status(thm)],[210, 209])).
% 0.22/0.48 tff(212,plain,
% 0.22/0.48 ((~on_path(E1!11, P!9)) | (~on_path(E2!10, P!9)) | (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)))),
% 0.22/0.48 inference(unit_resolution,[status(thm)],[211, 202, 200])).
% 0.22/0.48 tff(213,plain,
% 0.22/0.48 (~((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11))),
% 0.22/0.48 inference(unit_resolution,[status(thm)],[212, 174, 172])).
% 0.22/0.48 tff(214,plain,
% 0.22/0.48 (((~![E3: $i] : ((~sequential(E2!10, E3)) | (~precedes(E3, E1!11, P!9)))) | sequential(E2!10, E1!11)) | (~sequential(E2!10, E1!11))),
% 0.22/0.48 inference(tautology,[status(thm)],[])).
% 0.22/0.49 tff(215,plain,
% 0.22/0.49 (~sequential(E2!10, E1!11)),
% 0.22/0.49 inference(unit_resolution,[status(thm)],[214, 213])).
% 0.22/0.49 tff(216,plain,
% 0.22/0.49 ((((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)) | ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) | sequential(E2!10, E1!11)),
% 0.22/0.49 inference(tautology,[status(thm)],[])).
% 0.22/0.49 tff(217,plain,
% 0.22/0.49 ((((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)) <=> sequential(E2!10, E1!11)) | ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))),
% 0.22/0.49 inference(unit_resolution,[status(thm)],[216, 215])).
% 0.22/0.49 tff(218,plain,
% 0.22/0.49 ((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)),
% 0.22/0.49 inference(unit_resolution,[status(thm)],[217, 101])).
% 0.22/0.49 tff(219,plain,
% 0.22/0.49 (^[V1: $i, V2: $i, P: $i] : refl(((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))))),
% 0.22/0.49 inference(bind,[status(th)],[])).
% 0.22/0.49 tff(220,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.22/0.49 inference(quant_intro,[status(thm)],[219])).
% 0.22/0.49 tff(221,plain,
% 0.22/0.49 (^[V1: $i, V2: $i, P: $i] : rewrite(((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))) <=> ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))))),
% 0.22/0.49 inference(bind,[status(th)],[])).
% 0.22/0.49 tff(222,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.22/0.49 inference(quant_intro,[status(thm)],[221])).
% 0.22/0.49 tff(223,plain,
% 0.22/0.49 (^[V1: $i, V2: $i, P: $i] : rewrite(((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & ((((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))),
% 0.22/0.49 inference(bind,[status(th)],[])).
% 0.22/0.49 tff(224,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & ((((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP))))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))),
% 0.22/0.49 inference(quant_intro,[status(thm)],[223])).
% 0.22/0.49 tff(225,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))),
% 0.22/0.49 inference(rewrite,[status(thm)],[])).
% 0.22/0.49 tff(226,plain,
% 0.22/0.49 (^[V1: $i, V2: $i, P: $i] : trans(monotonicity(trans(monotonicity(quant_intro(proof_bind(^[E: $i] : trans(monotonicity(trans(monotonicity(rewrite((((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))) <=> (((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))), ((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), rewrite((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))), ((~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))) <=> (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), (((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), rewrite(((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))), (((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), (?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))) <=> ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), (((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> ((vertex(V1) & vertex(V2)) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), rewrite(((vertex(V1) & vertex(V2)) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))), (((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))) <=> (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), ((path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> (path(V1, V2, P) => (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))))), rewrite((path(V1, V2, P) => (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), ((path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))))),
% 0.22/0.49 inference(bind,[status(th)],[])).
% 0.22/0.49 tff(227,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : (path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP)))))))) <=> ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))),
% 0.22/0.49 inference(quant_intro,[status(thm)],[226])).
% 0.22/0.49 tff(228,axiom,(![V1: $i, V2: $i, P: $i] : (path(V1, V2, P) => ((vertex(V1) & vertex(V2)) & ?[E: $i] : ((edge(E) & (V1 = tail_of(E))) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','path_properties')).
% 0.22/0.49 tff(229,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))),
% 0.22/0.49 inference(modus_ponens,[status(thm)],[228, 227])).
% 0.22/0.49 tff(230,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & ?[E: $i] : (edge(E) & (V1 = tail_of(E)) & (~(((V2 = head_of(E)) & (P = path_cons(E, empty))) <=> ?[TP: $i] : (path(head_of(E), V2, TP) & (P = path_cons(E, TP))))))))),
% 0.22/0.49 inference(modus_ponens,[status(thm)],[229, 225])).
% 0.22/0.49 tff(231,plain,(
% 0.22/0.49 ![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & (edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & ((((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.22/0.49 inference(skolemize,[status(sab)],[230])).
% 0.22/0.49 tff(232,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (vertex(V1) & vertex(V2) & edge(tptp_fun_E_2(P, V2, V1)) & (V1 = tail_of(tptp_fun_E_2(P, V2, V1))) & (((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | (path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1)) & (P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1))))) & ((~((V2 = head_of(tptp_fun_E_2(P, V2, V1))) & (P = path_cons(tptp_fun_E_2(P, V2, V1), empty)))) | ![TP: $i] : (~(path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP) & (P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))),
% 0.22/0.49 inference(modus_ponens,[status(thm)],[231, 224])).
% 0.22/0.49 tff(233,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.22/0.49 inference(modus_ponens,[status(thm)],[232, 222])).
% 0.22/0.49 tff(234,plain,
% 0.22/0.49 (![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))),
% 0.22/0.49 inference(modus_ponens,[status(thm)],[233, 220])).
% 0.22/0.49 tff(235,plain,
% 0.22/0.49 (((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))))))) <=> ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | (~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))))))),
% 0.22/0.49 inference(rewrite,[status(thm)],[])).
% 0.22/0.49 tff(236,plain,
% 0.22/0.49 (((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP))))))))) <=> ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))))))),
% 0.22/0.49 inference(rewrite,[status(thm)],[])).
% 0.22/0.49 tff(237,plain,
% 0.22/0.49 (((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))) <=> ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13))))))))))),
% 0.22/0.49 inference(monotonicity,[status(thm)],[236])).
% 0.22/0.49 tff(238,plain,
% 0.22/0.49 (((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))) <=> ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | (~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))))))),
% 0.22/0.50 inference(transitivity,[status(thm)],[237, 235])).
% 0.22/0.50 tff(239,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | ((~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))))) | (~((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))))))) | (~((~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))))))))),
% 0.22/0.50 inference(quant_inst,[status(thm)],[])).
% 0.22/0.50 tff(240,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i] : ((~path(V1, V2, P)) | (~((~vertex(V1)) | (~vertex(V2)) | (~edge(tptp_fun_E_2(P, V2, V1))) | (~(V1 = tail_of(tptp_fun_E_2(P, V2, V1)))) | (~((~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))))) | (~((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, tptp_fun_TP_3(P, V2, V1))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), tptp_fun_TP_3(P, V2, V1)))))))) | (~((~(V2 = head_of(tptp_fun_E_2(P, V2, V1)))) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), empty))) | ![TP: $i] : ((~path(head_of(tptp_fun_E_2(P, V2, V1)), V2, TP)) | (~(P = path_cons(tptp_fun_E_2(P, V2, V1), TP)))))))))) | (~path(V1!13, V2!12, P!9)) | (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13))))))))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[239, 238])).
% 0.22/0.50 tff(241,plain,
% 0.22/0.50 (~((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[240, 234, 137])).
% 0.22/0.50 tff(242,plain,
% 0.22/0.50 (((~vertex(V1!13)) | (~vertex(V2!12)) | (~edge(tptp_fun_E_2(P!9, V2!12, V1!13))) | (~(V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))) | (~((~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13)))))) | (~((~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), tptp_fun_TP_3(P!9, V2!12, V1!13)))) | (~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, tptp_fun_TP_3(P!9, V2!12, V1!13))))))) | (~(![TP: $i] : ((~path(head_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, TP)) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), TP)))) | (~(P!9 = path_cons(tptp_fun_E_2(P!9, V2!12, V1!13), empty))) | (~(V2!12 = head_of(tptp_fun_E_2(P!9, V2!12, V1!13))))))) | (V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)))),
% 0.22/0.50 inference(tautology,[status(thm)],[])).
% 0.22/0.50 tff(243,plain,
% 0.22/0.50 (V1!13 = tail_of(tptp_fun_E_2(P!9, V2!12, V1!13))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[242, 241])).
% 0.22/0.50 tff(244,plain,
% 0.22/0.50 (tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)) = V1!13),
% 0.22/0.50 inference(symmetry,[status(thm)],[243])).
% 0.22/0.50 tff(245,plain,
% 0.22/0.50 (path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9) <=> path(V1!13, V2!12, P!9)),
% 0.22/0.50 inference(monotonicity,[status(thm)],[244])).
% 0.22/0.50 tff(246,plain,
% 0.22/0.50 (path(V1!13, V2!12, P!9) <=> path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)),
% 0.22/0.50 inference(symmetry,[status(thm)],[245])).
% 0.22/0.50 tff(247,plain,
% 0.22/0.50 (path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[137, 246])).
% 0.22/0.50 tff(248,plain,
% 0.22/0.50 (^[V1: $i, V2: $i, P: $i, E: $i] : refl(((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P))) <=> ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P))))),
% 0.22/0.50 inference(bind,[status(th)],[])).
% 0.22/0.50 tff(249,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))),
% 0.22/0.50 inference(quant_intro,[status(thm)],[248])).
% 0.22/0.50 tff(250,plain,
% 0.22/0.50 (^[V1: $i, V2: $i, P: $i, E: $i] : trans(monotonicity(trans(monotonicity(rewrite((path(V1, V2, P) & on_path(E, P)) <=> (~((~path(V1, V2, P)) | (~on_path(E, P))))), ((~(path(V1, V2, P) & on_path(E, P))) <=> (~(~((~path(V1, V2, P)) | (~on_path(E, P))))))), rewrite((~(~((~path(V1, V2, P)) | (~on_path(E, P))))) <=> ((~path(V1, V2, P)) | (~on_path(E, P)))), ((~(path(V1, V2, P) & on_path(E, P))) <=> ((~path(V1, V2, P)) | (~on_path(E, P))))), rewrite((edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)) <=> (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))), (((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> (((~path(V1, V2, P)) | (~on_path(E, P))) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))))), rewrite((((~path(V1, V2, P)) | (~on_path(E, P))) | (~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P))))) <=> ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))), (((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))))),
% 0.22/0.50 inference(bind,[status(th)],[])).
% 0.22/0.50 tff(251,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))),
% 0.22/0.50 inference(quant_intro,[status(thm)],[250])).
% 0.22/0.50 tff(252,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(253,plain,
% 0.22/0.50 (^[V1: $i, V2: $i, P: $i, E: $i] : trans(monotonicity(rewrite(((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P)) <=> (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))), (((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ((path(V1, V2, P) & on_path(E, P)) => (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))))), rewrite(((path(V1, V2, P) & on_path(E, P)) => (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P))) <=> ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))), (((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))))),
% 0.22/0.50 inference(bind,[status(th)],[])).
% 0.22/0.50 tff(254,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P))) <=> ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.22/0.50 inference(quant_intro,[status(thm)],[253])).
% 0.22/0.50 tff(255,axiom,(![V1: $i, V2: $i, P: $i, E: $i] : ((path(V1, V2, P) & on_path(E, P)) => ((edge(E) & in_path(head_of(E), P)) & in_path(tail_of(E), P)))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','on_path_properties')).
% 0.22/0.50 tff(256,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[255, 254])).
% 0.22/0.50 tff(257,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[256, 252])).
% 0.22/0.50 tff(258,plain,(
% 0.22/0.50 ![V1: $i, V2: $i, P: $i, E: $i] : ((~(path(V1, V2, P) & on_path(E, P))) | (edge(E) & in_path(head_of(E), P) & in_path(tail_of(E), P)))),
% 0.22/0.50 inference(skolemize,[status(sab)],[257])).
% 0.22/0.50 tff(259,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[258, 251])).
% 0.22/0.50 tff(260,plain,
% 0.22/0.50 (![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[259, 249])).
% 0.22/0.50 tff(261,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(262,plain,
% 0.22/0.50 (((~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E2!10, P!9))) <=> ((~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(263,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E2!10, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9))))),
% 0.22/0.50 inference(monotonicity,[status(thm)],[262])).
% 0.22/0.50 tff(264,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E2!10, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)))),
% 0.22/0.50 inference(transitivity,[status(thm)],[263, 261])).
% 0.22/0.50 tff(265,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E2!10, P!9)))),
% 0.22/0.50 inference(quant_inst,[status(thm)],[])).
% 0.22/0.50 tff(266,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E2!10, P!9)) | (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[265, 264])).
% 0.22/0.50 tff(267,plain,
% 0.22/0.50 ((~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[266, 260, 174])).
% 0.22/0.50 tff(268,plain,
% 0.22/0.50 (~((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9)))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[267, 247])).
% 0.22/0.50 tff(269,plain,
% 0.22/0.50 (((~edge(E2!10)) | (~in_path(head_of(E2!10), P!9)) | (~in_path(tail_of(E2!10), P!9))) | edge(E2!10)),
% 0.22/0.50 inference(tautology,[status(thm)],[])).
% 0.22/0.50 tff(270,plain,
% 0.22/0.50 (edge(E2!10)),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[269, 268])).
% 0.22/0.50 tff(271,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(272,plain,
% 0.22/0.50 (((~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E1!11, P!9))) <=> ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(273,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E1!11, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))))),
% 0.22/0.50 inference(monotonicity,[status(thm)],[272])).
% 0.22/0.50 tff(274,plain,
% 0.22/0.50 (((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E1!11, P!9)))) <=> ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))))),
% 0.22/0.50 inference(transitivity,[status(thm)],[273, 271])).
% 0.22/0.50 tff(275,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | ((~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~on_path(E1!11, P!9)))),
% 0.22/0.50 inference(quant_inst,[status(thm)],[])).
% 0.22/0.50 tff(276,plain,
% 0.22/0.50 ((~![V1: $i, V2: $i, P: $i, E: $i] : ((~((~edge(E)) | (~in_path(head_of(E), P)) | (~in_path(tail_of(E), P)))) | (~path(V1, V2, P)) | (~on_path(E, P)))) | (~on_path(E1!11, P!9)) | (~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))),
% 0.22/0.50 inference(modus_ponens,[status(thm)],[275, 274])).
% 0.22/0.50 tff(277,plain,
% 0.22/0.50 ((~path(tail_of(tptp_fun_E_2(P!9, V2!12, V1!13)), V2!12, P!9)) | (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[276, 260, 172])).
% 0.22/0.50 tff(278,plain,
% 0.22/0.50 (~((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9)))),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[277, 247])).
% 0.22/0.50 tff(279,plain,
% 0.22/0.50 (((~edge(E1!11)) | (~in_path(head_of(E1!11), P!9)) | (~in_path(tail_of(E1!11), P!9))) | edge(E1!11)),
% 0.22/0.50 inference(tautology,[status(thm)],[])).
% 0.22/0.50 tff(280,plain,
% 0.22/0.50 (edge(E1!11)),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[279, 278])).
% 0.22/0.50 tff(281,plain,
% 0.22/0.50 ((~((~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11))) | (~(head_of(E2!10) = tail_of(E1!11))) | (~edge(E2!10)) | (~edge(E1!11)) | (E2!10 = E1!11)),
% 0.22/0.50 inference(tautology,[status(thm)],[])).
% 0.22/0.50 tff(282,plain,
% 0.22/0.50 ((~(head_of(E2!10) = tail_of(E1!11))) | (E2!10 = E1!11)),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[281, 280, 270, 218])).
% 0.22/0.50 tff(283,plain,
% 0.22/0.50 (E2!10 = E1!11),
% 0.22/0.50 inference(unit_resolution,[status(thm)],[282, 78])).
% 0.22/0.50 tff(284,plain,
% 0.22/0.50 (E1!11 = E2!10),
% 0.22/0.50 inference(symmetry,[status(thm)],[283])).
% 0.22/0.50 tff(285,plain,
% 0.22/0.50 (head_of(E1!11) = head_of(E2!10)),
% 0.22/0.50 inference(monotonicity,[status(thm)],[284])).
% 0.22/0.50 tff(286,plain,
% 0.22/0.50 (head_of(E1!11) = tail_of(E1!11)),
% 0.22/0.50 inference(transitivity,[status(thm)],[285, 78])).
% 0.22/0.50 tff(287,plain,
% 0.22/0.50 (^[E: $i] : refl(((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ((~edge(E)) | (~(head_of(E) = tail_of(E)))))),
% 0.22/0.50 inference(bind,[status(th)],[])).
% 0.22/0.50 tff(288,plain,
% 0.22/0.50 (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.50 inference(quant_intro,[status(thm)],[287])).
% 0.22/0.50 tff(289,plain,
% 0.22/0.50 (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.50 inference(rewrite,[status(thm)],[])).
% 0.22/0.50 tff(290,plain,
% 0.22/0.50 (^[E: $i] : rewrite((edge(E) => (~(head_of(E) = tail_of(E)))) <=> ((~edge(E)) | (~(head_of(E) = tail_of(E)))))),
% 0.22/0.50 inference(bind,[status(th)],[])).
% 0.22/0.50 tff(291,plain,
% 0.22/0.50 (![E: $i] : (edge(E) => (~(head_of(E) = tail_of(E)))) <=> ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.51 inference(quant_intro,[status(thm)],[290])).
% 0.22/0.51 tff(292,axiom,(![E: $i] : (edge(E) => (~(head_of(E) = tail_of(E))))), file('/export/starexec/sandbox/benchmark/Axioms/GRA001+0.ax','no_loops')).
% 0.22/0.51 tff(293,plain,
% 0.22/0.51 (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.51 inference(modus_ponens,[status(thm)],[292, 291])).
% 0.22/0.51 tff(294,plain,
% 0.22/0.51 (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.51 inference(modus_ponens,[status(thm)],[293, 289])).
% 0.22/0.51 tff(295,plain,(
% 0.22/0.51 ![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.51 inference(skolemize,[status(sab)],[294])).
% 0.22/0.51 tff(296,plain,
% 0.22/0.51 (![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))),
% 0.22/0.51 inference(modus_ponens,[status(thm)],[295, 288])).
% 0.22/0.51 tff(297,plain,
% 0.22/0.51 (((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | ((~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))) <=> ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | (~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))),
% 0.22/0.51 inference(rewrite,[status(thm)],[])).
% 0.22/0.51 tff(298,plain,
% 0.22/0.51 ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | ((~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11))))),
% 0.22/0.51 inference(quant_inst,[status(thm)],[])).
% 0.22/0.51 tff(299,plain,
% 0.22/0.51 ((~![E: $i] : ((~edge(E)) | (~(head_of(E) = tail_of(E))))) | (~edge(E1!11)) | (~(head_of(E1!11) = tail_of(E1!11)))),
% 0.22/0.51 inference(modus_ponens,[status(thm)],[298, 297])).
% 0.22/0.51 tff(300,plain,
% 0.22/0.51 (~(head_of(E1!11) = tail_of(E1!11))),
% 0.22/0.51 inference(unit_resolution,[status(thm)],[299, 296, 280])).
% 0.22/0.51 tff(301,plain,
% 0.22/0.51 ($false),
% 0.22/0.51 inference(unit_resolution,[status(thm)],[300, 286])).
% 0.22/0.51 % SZS output end Proof
% 0.22/0.51 % E exiting
%------------------------------------------------------------------------------