%------------------------------------------------------------------------------
% File : Z3---4.15.1
% Problem : SET599+3 : TPTP v9.0.0. Released v2.2.0.
% Transfm : none
% Format : tptp
% Command : run_E %s %d THM
% Computer : n008.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 05:25:57 AM UTC 2025
% Result : Theorem 0.12s 0.37s
% Output : Proof 0.12s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12 % Problem : SET599+3 : TPTP v9.0.0. Released v2.2.0.
% 0.08/0.12 % Command : run_E %s %d THM
% 0.12/0.33 % Computer : n008.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Fri Jun 20 05:30:18 EDT 2025
% 0.12/0.34 % CPUTime :
% 0.12/0.37 % SZS status Theorem
% 0.12/0.37 % SZS output start Proof
% 0.12/0.37 tff(subset_type, type, (
% 0.12/0.37 subset: ( $i * $i ) > $o)).
% 0.12/0.37 tff(union_type, type, (
% 0.12/0.37 union: ( $i * $i ) > $i)).
% 0.12/0.37 tff(difference_type, type, (
% 0.12/0.37 difference: ( $i * $i ) > $i)).
% 0.12/0.37 tff(tptp_fun_B_3_type, type, (
% 0.12/0.37 tptp_fun_B_3: $i)).
% 0.12/0.37 tff(tptp_fun_C_2_type, type, (
% 0.12/0.37 tptp_fun_C_2: $i)).
% 0.12/0.37 tff(symmetric_difference_type, type, (
% 0.12/0.37 symmetric_difference: ( $i * $i ) > $i)).
% 0.12/0.37 tff(1,plain,
% 0.12/0.37 (^[B: $i, C: $i] : refl((symmetric_difference(B, C) = union(difference(B, C), difference(C, B))) <=> (symmetric_difference(B, C) = union(difference(B, C), difference(C, B))))),
% 0.12/0.37 inference(bind,[status(th)],[])).
% 0.12/0.37 tff(2,plain,
% 0.12/0.37 (![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B))) <=> ![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))),
% 0.12/0.37 inference(quant_intro,[status(thm)],[1])).
% 0.12/0.37 tff(3,plain,
% 0.12/0.37 (![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B))) <=> ![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))),
% 0.12/0.37 inference(rewrite,[status(thm)],[])).
% 0.12/0.37 tff(4,axiom,(![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','symmetric_difference_defn')).
% 0.12/0.37 tff(5,plain,
% 0.12/0.37 (![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[4, 3])).
% 0.12/0.37 tff(6,plain,(
% 0.12/0.37 ![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))),
% 0.12/0.37 inference(skolemize,[status(sab)],[5])).
% 0.12/0.37 tff(7,plain,
% 0.12/0.37 (![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[6, 2])).
% 0.12/0.37 tff(8,plain,
% 0.12/0.37 ((~![B: $i, C: $i] : (symmetric_difference(B, C) = union(difference(B, C), difference(C, B)))) | (symmetric_difference(B!3, C!2) = union(difference(B!3, C!2), difference(C!2, B!3)))),
% 0.12/0.37 inference(quant_inst,[status(thm)],[])).
% 0.12/0.37 tff(9,plain,
% 0.12/0.37 (symmetric_difference(B!3, C!2) = union(difference(B!3, C!2), difference(C!2, B!3))),
% 0.12/0.37 inference(unit_resolution,[status(thm)],[8, 7])).
% 0.12/0.37 tff(10,plain,
% 0.12/0.37 (union(difference(B!3, C!2), difference(C!2, B!3)) = symmetric_difference(B!3, C!2)),
% 0.12/0.37 inference(symmetry,[status(thm)],[9])).
% 0.12/0.37 tff(11,plain,
% 0.12/0.37 (subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3))) <=> subset(difference(B!3, C!2), symmetric_difference(B!3, C!2))),
% 0.12/0.37 inference(monotonicity,[status(thm)],[10])).
% 0.12/0.37 tff(12,plain,
% 0.12/0.37 (subset(difference(B!3, C!2), symmetric_difference(B!3, C!2)) <=> subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3)))),
% 0.12/0.37 inference(symmetry,[status(thm)],[11])).
% 0.12/0.37 tff(13,plain,
% 0.12/0.37 ((~subset(difference(B!3, C!2), symmetric_difference(B!3, C!2))) <=> (~subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3))))),
% 0.12/0.37 inference(monotonicity,[status(thm)],[12])).
% 0.12/0.37 tff(14,plain,
% 0.12/0.37 ((~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))) <=> (~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C)))),
% 0.12/0.37 inference(rewrite,[status(thm)],[])).
% 0.12/0.37 tff(15,axiom,(~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','prove_th58')).
% 0.12/0.37 tff(16,plain,
% 0.12/0.37 (~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[15, 14])).
% 0.12/0.37 tff(17,plain,
% 0.12/0.37 (~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[16, 14])).
% 0.12/0.37 tff(18,plain,
% 0.12/0.37 (~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[17, 14])).
% 0.12/0.37 tff(19,plain,
% 0.12/0.37 (~![B: $i, C: $i] : subset(difference(B, C), symmetric_difference(B, C))),
% 0.12/0.37 inference(modus_ponens,[status(thm)],[18, 14])).
% 0.12/0.37 tff(20,plain,(
% 0.12/0.37 ~subset(difference(B!3, C!2), symmetric_difference(B!3, C!2))),
% 0.12/0.37 inference(skolemize,[status(sab)],[19])).
% 0.12/0.38 tff(21,plain,
% 0.12/0.38 (~subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3)))),
% 0.12/0.38 inference(modus_ponens,[status(thm)],[20, 13])).
% 0.12/0.38 tff(22,plain,
% 0.12/0.38 (^[B: $i, C: $i] : refl(subset(B, union(B, C)) <=> subset(B, union(B, C)))),
% 0.12/0.38 inference(bind,[status(th)],[])).
% 0.12/0.38 tff(23,plain,
% 0.12/0.38 (![B: $i, C: $i] : subset(B, union(B, C)) <=> ![B: $i, C: $i] : subset(B, union(B, C))),
% 0.12/0.38 inference(quant_intro,[status(thm)],[22])).
% 0.12/0.38 tff(24,plain,
% 0.12/0.38 (![B: $i, C: $i] : subset(B, union(B, C)) <=> ![B: $i, C: $i] : subset(B, union(B, C))),
% 0.12/0.38 inference(rewrite,[status(thm)],[])).
% 0.12/0.38 tff(25,axiom,(![B: $i, C: $i] : subset(B, union(B, C))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','subset_of_union')).
% 0.12/0.38 tff(26,plain,
% 0.12/0.38 (![B: $i, C: $i] : subset(B, union(B, C))),
% 0.12/0.38 inference(modus_ponens,[status(thm)],[25, 24])).
% 0.12/0.38 tff(27,plain,(
% 0.12/0.38 ![B: $i, C: $i] : subset(B, union(B, C))),
% 0.12/0.38 inference(skolemize,[status(sab)],[26])).
% 0.12/0.38 tff(28,plain,
% 0.12/0.38 (![B: $i, C: $i] : subset(B, union(B, C))),
% 0.12/0.38 inference(modus_ponens,[status(thm)],[27, 23])).
% 0.12/0.38 tff(29,plain,
% 0.12/0.38 ((~![B: $i, C: $i] : subset(B, union(B, C))) | subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3)))),
% 0.12/0.38 inference(quant_inst,[status(thm)],[])).
% 0.12/0.38 tff(30,plain,
% 0.12/0.38 (subset(difference(B!3, C!2), union(difference(B!3, C!2), difference(C!2, B!3)))),
% 0.12/0.38 inference(unit_resolution,[status(thm)],[29, 28])).
% 0.12/0.38 tff(31,plain,
% 0.12/0.38 ($false),
% 0.12/0.38 inference(unit_resolution,[status(thm)],[30, 21])).
% 0.12/0.38 % SZS output end Proof
% 0.12/0.38 % E exiting
%------------------------------------------------------------------------------