%------------------------------------------------------------------------------
% File : ConnectPP---0.7.2
% Problem : SEU215+1 : TPTP v9.3.1. Released v3.3.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n016.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Thu Sep 24 08:58:31 AM UTC 2026
% Result : Theorem 1.15s 1.40s
% Output : Proof 1.15s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(antisymmetry_r2_hidden,axiom,
! [A,B] :
( in(A,B)
=> ~ in(B,A) ),
file('theBenchmark.p',antisymmetry_r2_hidden) ).
fof(cc1_funct_1,axiom,
! [A] :
( empty(A)
=> function(A) ),
file('theBenchmark.p',cc1_funct_1) ).
fof(cc1_relat_1,axiom,
! [A] :
( empty(A)
=> relation(A) ),
file('theBenchmark.p',cc1_relat_1) ).
fof(commutativity_k2_tarski,axiom,
! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
file('theBenchmark.p',commutativity_k2_tarski) ).
fof(d4_funct_1,axiom,
! [A] :
( ( function(A)
& relation(A) )
=> ! [B,C] :
( ( ~ in(B,relation_dom(A))
=> ( C = apply(A,B)
<=> C = empty_set ) )
& ( in(B,relation_dom(A))
=> ( C = apply(A,B)
<=> in(ordered_pair(B,C),A) ) ) ) ),
file('theBenchmark.p',d4_funct_1) ).
fof(d5_tarski,axiom,
! [A,B] : ordered_pair(A,B) = unordered_pair(unordered_pair(A,B),singleton(A)),
file('theBenchmark.p',d5_tarski) ).
fof(dt_k1_funct_1,axiom,
$true,
file('theBenchmark.p',dt_k1_funct_1) ).
fof(dt_k1_relat_1,axiom,
$true,
file('theBenchmark.p',dt_k1_relat_1) ).
fof(dt_k1_tarski,axiom,
$true,
file('theBenchmark.p',dt_k1_tarski) ).
fof(dt_k1_xboole_0,axiom,
$true,
file('theBenchmark.p',dt_k1_xboole_0) ).
fof(dt_k2_tarski,axiom,
$true,
file('theBenchmark.p',dt_k2_tarski) ).
fof(dt_k4_tarski,axiom,
$true,
file('theBenchmark.p',dt_k4_tarski) ).
fof(dt_k5_relat_1,axiom,
! [A,B] :
( ( relation(B)
& relation(A) )
=> relation(relation_composition(A,B)) ),
file('theBenchmark.p',dt_k5_relat_1) ).
fof(dt_m1_subset_1,axiom,
$true,
file('theBenchmark.p',dt_m1_subset_1) ).
fof(existence_m1_subset_1,axiom,
! [A] :
? [B] : element(B,A),
file('theBenchmark.p',existence_m1_subset_1) ).
fof(fc10_relat_1,axiom,
! [A,B] :
( ( relation(B)
& empty(A) )
=> ( relation(relation_composition(B,A))
& empty(relation_composition(B,A)) ) ),
file('theBenchmark.p',fc10_relat_1) ).
fof(fc12_relat_1,axiom,
( relation_empty_yielding(empty_set)
& relation(empty_set)
& empty(empty_set) ),
file('theBenchmark.p',fc12_relat_1) ).
fof(fc1_funct_1,axiom,
! [A,B] :
( ( function(B)
& relation(B)
& function(A)
& relation(A) )
=> ( function(relation_composition(A,B))
& relation(relation_composition(A,B)) ) ),
file('theBenchmark.p',fc1_funct_1) ).
fof(fc1_xboole_0,axiom,
empty(empty_set),
file('theBenchmark.p',fc1_xboole_0) ).
fof(fc1_zfmisc_1,axiom,
! [A,B] : ~ empty(ordered_pair(A,B)),
file('theBenchmark.p',fc1_zfmisc_1) ).
fof(fc2_subset_1,axiom,
! [A] : ~ empty(singleton(A)),
file('theBenchmark.p',fc2_subset_1) ).
fof(fc3_subset_1,axiom,
! [A,B] : ~ empty(unordered_pair(A,B)),
file('theBenchmark.p',fc3_subset_1) ).
fof(fc4_relat_1,axiom,
( relation(empty_set)
& empty(empty_set) ),
file('theBenchmark.p',fc4_relat_1) ).
fof(fc5_relat_1,axiom,
! [A] :
( ( relation(A)
& ~ empty(A) )
=> ~ empty(relation_dom(A)) ),
file('theBenchmark.p',fc5_relat_1) ).
fof(fc7_relat_1,axiom,
! [A] :
( empty(A)
=> ( relation(relation_dom(A))
& empty(relation_dom(A)) ) ),
file('theBenchmark.p',fc7_relat_1) ).
fof(fc9_relat_1,axiom,
! [A,B] :
( ( relation(B)
& empty(A) )
=> ( relation(relation_composition(A,B))
& empty(relation_composition(A,B)) ) ),
file('theBenchmark.p',fc9_relat_1) ).
fof(rc1_funct_1,axiom,
? [A] :
( function(A)
& relation(A) ),
file('theBenchmark.p',rc1_funct_1) ).
fof(rc1_relat_1,axiom,
? [A] :
( relation(A)
& empty(A) ),
file('theBenchmark.p',rc1_relat_1) ).
fof(rc1_xboole_0,axiom,
? [A] : empty(A),
file('theBenchmark.p',rc1_xboole_0) ).
fof(rc2_relat_1,axiom,
? [A] :
( relation(A)
& ~ empty(A) ),
file('theBenchmark.p',rc2_relat_1) ).
fof(rc2_xboole_0,axiom,
? [A] : ~ empty(A),
file('theBenchmark.p',rc2_xboole_0) ).
fof(rc3_relat_1,axiom,
? [A] :
( relation_empty_yielding(A)
& relation(A) ),
file('theBenchmark.p',rc3_relat_1) ).
fof(t1_subset,axiom,
! [A,B] :
( in(A,B)
=> element(A,B) ),
file('theBenchmark.p',t1_subset) ).
fof(t21_funct_1,axiom,
! [A,B] :
( ( function(B)
& relation(B) )
=> ! [C] :
( ( function(C)
& relation(C) )
=> ( in(A,relation_dom(relation_composition(C,B)))
<=> ( in(apply(C,A),relation_dom(B))
& in(A,relation_dom(C)) ) ) ) ),
file('theBenchmark.p',t21_funct_1) ).
fof(t22_funct_1,axiom,
! [A,B] :
( ( function(B)
& relation(B) )
=> ! [C] :
( ( function(C)
& relation(C) )
=> ( in(A,relation_dom(relation_composition(C,B)))
=> apply(relation_composition(C,B),A) = apply(B,apply(C,A)) ) ) ),
file('theBenchmark.p',t22_funct_1) ).
fof(t23_funct_1,conjecture,
! [A,B] :
( ( function(B)
& relation(B) )
=> ! [C] :
( ( function(C)
& relation(C) )
=> ( in(A,relation_dom(B))
=> apply(relation_composition(B,C),A) = apply(C,apply(B,A)) ) ) ),
file('theBenchmark.p',t23_funct_1) ).
fof(t2_subset,axiom,
! [A,B] :
( element(A,B)
=> ( in(A,B)
| empty(B) ) ),
file('theBenchmark.p',t2_subset) ).
fof(t6_boole,axiom,
! [A] :
( empty(A)
=> A = empty_set ),
file('theBenchmark.p',t6_boole) ).
fof(t7_boole,axiom,
! [A,B] :
~ ( empty(B)
& in(A,B) ),
file('theBenchmark.p',t7_boole) ).
fof(t8_boole,axiom,
! [A,B] :
~ ( empty(B)
& A != B
& empty(A) ),
file('theBenchmark.p',t8_boole) ).
fof(f_1_1,plain,
! [A,B] :
( ~ in(B,A)
| ~ in(A,B) ),
inference(fof_nnf,[status(thm)],[antisymmetry_r2_hidden]) ).
fof(f_1_2,plain,
! [U_1,U_0] :
( ~ in(U_0,U_1)
| ~ in(U_1,U_0) ),
inference(variable_rename,[status(thm)],[f_1_1]) ).
cnf(f_1_3,plain,
( ~ in(U_0,U_1)
| ~ in(U_1,U_0) ),
inference(clausify,[status(thm)],[f_1_2]) ).
fof(f_2_1,plain,
! [A] :
( function(A)
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[cc1_funct_1]) ).
fof(f_2_2,plain,
! [U_2] :
( function(U_2)
| ~ empty(U_2) ),
inference(variable_rename,[status(thm)],[f_2_1]) ).
cnf(f_2_3,plain,
( function(U_2)
| ~ empty(U_2) ),
inference(clausify,[status(thm)],[f_2_2]) ).
fof(f_3_1,plain,
! [A] :
( relation(A)
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[cc1_relat_1]) ).
fof(f_3_2,plain,
! [U_3] :
( relation(U_3)
| ~ empty(U_3) ),
inference(variable_rename,[status(thm)],[f_3_1]) ).
cnf(f_3_3,plain,
( relation(U_3)
| ~ empty(U_3) ),
inference(clausify,[status(thm)],[f_3_2]) ).
fof(f_4_1,plain,
! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
inference(fof_nnf,[status(thm)],[commutativity_k2_tarski]) ).
fof(f_4_2,plain,
! [U_5,U_4] : unordered_pair(U_5,U_4) = unordered_pair(U_4,U_5),
inference(variable_rename,[status(thm)],[f_4_1]) ).
cnf(f_4_3,plain,
unordered_pair(U_5,U_4) = unordered_pair(U_4,U_5),
inference(clausify,[status(thm)],[f_4_2]) ).
fof(f_5_1,plain,
! [A] :
( ! [B,C] :
( ( ( ( C = apply(A,B)
| C != empty_set )
& ( C = empty_set
| C != apply(A,B) ) )
| in(B,relation_dom(A)) )
& ( ( ( C = apply(A,B)
| ~ in(ordered_pair(B,C),A) )
& ( in(ordered_pair(B,C),A)
| C != apply(A,B) ) )
| ~ in(B,relation_dom(A)) ) )
| ~ function(A)
| ~ relation(A) ),
inference(fof_nnf,[status(thm)],[d4_funct_1]) ).
fof(f_5_2,plain,
! [U_8] :
( ! [U_7,U_6] :
( ( ( ( U_6 = apply(U_8,U_7)
| U_6 != empty_set )
& ( U_6 = empty_set
| U_6 != apply(U_8,U_7) ) )
| in(U_7,relation_dom(U_8)) )
& ( ( ( U_6 = apply(U_8,U_7)
| ~ in(ordered_pair(U_7,U_6),U_8) )
& ( in(ordered_pair(U_7,U_6),U_8)
| U_6 != apply(U_8,U_7) ) )
| ~ in(U_7,relation_dom(U_8)) ) )
| ~ function(U_8)
| ~ relation(U_8) ),
inference(variable_rename,[status(thm)],[f_5_1]) ).
fof(f_5_3,plain,
! [U_8] :
( ( ! [U_16] :
( ( ! [U_14] :
( U_14 = apply(U_8,U_16)
| U_14 != empty_set )
& ! [U_13] :
( U_13 = empty_set
| U_13 != apply(U_8,U_16) ) )
| in(U_16,relation_dom(U_8)) )
& ! [U_15] :
( ( ! [U_12] :
( U_12 = apply(U_8,U_15)
| ~ in(ordered_pair(U_15,U_12),U_8) )
& ! [U_11] :
( in(ordered_pair(U_15,U_11),U_8)
| U_11 != apply(U_8,U_15) ) )
| ~ in(U_15,relation_dom(U_8)) ) )
| ~ function(U_8)
| ~ relation(U_8) ),
inference(miniscope,[status(thm)],[f_5_2]) ).
cnf(f_5_4,plain,
( in(ordered_pair(U_15,U_11),U_8)
| U_11 != apply(U_8,U_15)
| ~ in(U_15,relation_dom(U_8))
| ~ function(U_8)
| ~ relation(U_8) ),
inference(clausify,[status(thm)],[f_5_3]) ).
cnf(f_5_5,plain,
( U_12 = apply(U_8,U_15)
| ~ in(ordered_pair(U_15,U_12),U_8)
| ~ in(U_15,relation_dom(U_8))
| ~ function(U_8)
| ~ relation(U_8) ),
inference(clausify,[status(thm)],[f_5_3]) ).
cnf(f_5_6,plain,
( U_13 = empty_set
| U_13 != apply(U_8,U_16)
| in(U_16,relation_dom(U_8))
| ~ function(U_8)
| ~ relation(U_8) ),
inference(clausify,[status(thm)],[f_5_3]) ).
cnf(f_5_7,plain,
( U_14 = apply(U_8,U_16)
| U_14 != empty_set
| in(U_16,relation_dom(U_8))
| ~ function(U_8)
| ~ relation(U_8) ),
inference(clausify,[status(thm)],[f_5_3]) ).
fof(f_6_1,plain,
! [A,B] : ordered_pair(A,B) = unordered_pair(unordered_pair(A,B),singleton(A)),
inference(fof_nnf,[status(thm)],[d5_tarski]) ).
fof(f_6_2,plain,
! [U_18,U_17] : ordered_pair(U_18,U_17) = unordered_pair(unordered_pair(U_18,U_17),singleton(U_18)),
inference(variable_rename,[status(thm)],[f_6_1]) ).
cnf(f_6_3,plain,
ordered_pair(U_18,U_17) = unordered_pair(unordered_pair(U_18,U_17),singleton(U_18)),
inference(clausify,[status(thm)],[f_6_2]) ).
fof(f_7_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k1_funct_1]) ).
cnf(f_7_2,plain,
$true,
inference(clausify,[status(thm)],[f_7_1]) ).
fof(f_8_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k1_relat_1]) ).
cnf(f_8_2,plain,
$true,
inference(clausify,[status(thm)],[f_8_1]) ).
fof(f_9_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k1_tarski]) ).
cnf(f_9_2,plain,
$true,
inference(clausify,[status(thm)],[f_9_1]) ).
fof(f_10_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k1_xboole_0]) ).
cnf(f_10_2,plain,
$true,
inference(clausify,[status(thm)],[f_10_1]) ).
fof(f_11_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k2_tarski]) ).
cnf(f_11_2,plain,
$true,
inference(clausify,[status(thm)],[f_11_1]) ).
fof(f_12_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_k4_tarski]) ).
cnf(f_12_2,plain,
$true,
inference(clausify,[status(thm)],[f_12_1]) ).
fof(f_13_1,plain,
! [A,B] :
( relation(relation_composition(A,B))
| ~ relation(B)
| ~ relation(A) ),
inference(fof_nnf,[status(thm)],[dt_k5_relat_1]) ).
fof(f_13_2,plain,
! [U_20,U_19] :
( relation(relation_composition(U_20,U_19))
| ~ relation(U_19)
| ~ relation(U_20) ),
inference(variable_rename,[status(thm)],[f_13_1]) ).
cnf(f_13_3,plain,
( relation(relation_composition(U_20,U_19))
| ~ relation(U_19)
| ~ relation(U_20) ),
inference(clausify,[status(thm)],[f_13_2]) ).
fof(f_14_1,plain,
$true,
inference(fof_nnf,[status(thm)],[dt_m1_subset_1]) ).
cnf(f_14_2,plain,
$true,
inference(clausify,[status(thm)],[f_14_1]) ).
fof(f_15_1,plain,
! [A] :
? [B] : element(B,A),
inference(fof_nnf,[status(thm)],[existence_m1_subset_1]) ).
fof(f_15_2,plain,
! [U_22] :
? [U_21] : element(U_21,U_22),
inference(variable_rename,[status(thm)],[f_15_1]) ).
fof(f_15_3,plain,
! [U_22] : element(sK1(U_22),U_22),
inference(skolemize,[status(esa),new_symbols(skolem,[sK1]),skolemize(U_21,sK1(U_22))],[f_15_2]) ).
cnf(f_15_4,plain,
element(sK1(U_22),U_22),
inference(clausify,[status(thm)],[f_15_3]) ).
fof(f_16_1,plain,
! [A,B] :
( ( relation(relation_composition(B,A))
& empty(relation_composition(B,A)) )
| ~ relation(B)
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[fc10_relat_1]) ).
fof(f_16_2,plain,
! [U_24,U_23] :
( ( relation(relation_composition(U_23,U_24))
& empty(relation_composition(U_23,U_24)) )
| ~ relation(U_23)
| ~ empty(U_24) ),
inference(variable_rename,[status(thm)],[f_16_1]) ).
cnf(f_16_3,plain,
( empty(relation_composition(U_23,U_24))
| ~ relation(U_23)
| ~ empty(U_24) ),
inference(clausify,[status(thm)],[f_16_2]) ).
cnf(f_16_4,plain,
( relation(relation_composition(U_23,U_24))
| ~ relation(U_23)
| ~ empty(U_24) ),
inference(clausify,[status(thm)],[f_16_2]) ).
fof(f_17_1,plain,
( relation_empty_yielding(empty_set)
& relation(empty_set)
& empty(empty_set) ),
inference(fof_nnf,[status(thm)],[fc12_relat_1]) ).
cnf(f_17_2,plain,
empty(empty_set),
inference(clausify,[status(thm)],[f_17_1]) ).
cnf(f_17_3,plain,
relation(empty_set),
inference(clausify,[status(thm)],[f_17_1]) ).
cnf(f_17_4,plain,
relation_empty_yielding(empty_set),
inference(clausify,[status(thm)],[f_17_1]) ).
fof(f_18_1,plain,
! [A,B] :
( ( function(relation_composition(A,B))
& relation(relation_composition(A,B)) )
| ~ function(B)
| ~ relation(B)
| ~ function(A)
| ~ relation(A) ),
inference(fof_nnf,[status(thm)],[fc1_funct_1]) ).
fof(f_18_2,plain,
! [U_26,U_25] :
( ( function(relation_composition(U_26,U_25))
& relation(relation_composition(U_26,U_25)) )
| ~ function(U_25)
| ~ relation(U_25)
| ~ function(U_26)
| ~ relation(U_26) ),
inference(variable_rename,[status(thm)],[f_18_1]) ).
cnf(f_18_3,plain,
( relation(relation_composition(U_26,U_25))
| ~ function(U_25)
| ~ relation(U_25)
| ~ function(U_26)
| ~ relation(U_26) ),
inference(clausify,[status(thm)],[f_18_2]) ).
cnf(f_18_4,plain,
( function(relation_composition(U_26,U_25))
| ~ function(U_25)
| ~ relation(U_25)
| ~ function(U_26)
| ~ relation(U_26) ),
inference(clausify,[status(thm)],[f_18_2]) ).
fof(f_19_1,plain,
empty(empty_set),
inference(fof_nnf,[status(thm)],[fc1_xboole_0]) ).
cnf(f_19_2,plain,
empty(empty_set),
inference(clausify,[status(thm)],[f_19_1]) ).
fof(f_20_1,plain,
! [A,B] : ~ empty(ordered_pair(A,B)),
inference(fof_nnf,[status(thm)],[fc1_zfmisc_1]) ).
fof(f_20_2,plain,
! [U_28,U_27] : ~ empty(ordered_pair(U_28,U_27)),
inference(variable_rename,[status(thm)],[f_20_1]) ).
cnf(f_20_3,plain,
~ empty(ordered_pair(U_28,U_27)),
inference(clausify,[status(thm)],[f_20_2]) ).
fof(f_21_1,plain,
! [A] : ~ empty(singleton(A)),
inference(fof_nnf,[status(thm)],[fc2_subset_1]) ).
fof(f_21_2,plain,
! [U_29] : ~ empty(singleton(U_29)),
inference(variable_rename,[status(thm)],[f_21_1]) ).
cnf(f_21_3,plain,
~ empty(singleton(U_29)),
inference(clausify,[status(thm)],[f_21_2]) ).
fof(f_22_1,plain,
! [A,B] : ~ empty(unordered_pair(A,B)),
inference(fof_nnf,[status(thm)],[fc3_subset_1]) ).
fof(f_22_2,plain,
! [U_31,U_30] : ~ empty(unordered_pair(U_31,U_30)),
inference(variable_rename,[status(thm)],[f_22_1]) ).
cnf(f_22_3,plain,
~ empty(unordered_pair(U_31,U_30)),
inference(clausify,[status(thm)],[f_22_2]) ).
fof(f_23_1,plain,
( relation(empty_set)
& empty(empty_set) ),
inference(fof_nnf,[status(thm)],[fc4_relat_1]) ).
cnf(f_23_2,plain,
empty(empty_set),
inference(clausify,[status(thm)],[f_23_1]) ).
cnf(f_23_3,plain,
relation(empty_set),
inference(clausify,[status(thm)],[f_23_1]) ).
fof(f_24_1,plain,
! [A] :
( ~ empty(relation_dom(A))
| ~ relation(A)
| empty(A) ),
inference(fof_nnf,[status(thm)],[fc5_relat_1]) ).
fof(f_24_2,plain,
! [U_32] :
( ~ empty(relation_dom(U_32))
| ~ relation(U_32)
| empty(U_32) ),
inference(variable_rename,[status(thm)],[f_24_1]) ).
cnf(f_24_3,plain,
( ~ empty(relation_dom(U_32))
| ~ relation(U_32)
| empty(U_32) ),
inference(clausify,[status(thm)],[f_24_2]) ).
fof(f_25_1,plain,
! [A] :
( ( relation(relation_dom(A))
& empty(relation_dom(A)) )
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[fc7_relat_1]) ).
fof(f_25_2,plain,
! [U_33] :
( ( relation(relation_dom(U_33))
& empty(relation_dom(U_33)) )
| ~ empty(U_33) ),
inference(variable_rename,[status(thm)],[f_25_1]) ).
cnf(f_25_3,plain,
( empty(relation_dom(U_33))
| ~ empty(U_33) ),
inference(clausify,[status(thm)],[f_25_2]) ).
cnf(f_25_4,plain,
( relation(relation_dom(U_33))
| ~ empty(U_33) ),
inference(clausify,[status(thm)],[f_25_2]) ).
fof(f_26_1,plain,
! [A,B] :
( ( relation(relation_composition(A,B))
& empty(relation_composition(A,B)) )
| ~ relation(B)
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[fc9_relat_1]) ).
fof(f_26_2,plain,
! [U_35,U_34] :
( ( relation(relation_composition(U_35,U_34))
& empty(relation_composition(U_35,U_34)) )
| ~ relation(U_34)
| ~ empty(U_35) ),
inference(variable_rename,[status(thm)],[f_26_1]) ).
cnf(f_26_3,plain,
( empty(relation_composition(U_35,U_34))
| ~ relation(U_34)
| ~ empty(U_35) ),
inference(clausify,[status(thm)],[f_26_2]) ).
cnf(f_26_4,plain,
( relation(relation_composition(U_35,U_34))
| ~ relation(U_34)
| ~ empty(U_35) ),
inference(clausify,[status(thm)],[f_26_2]) ).
fof(f_27_1,plain,
? [A] :
( function(A)
& relation(A) ),
inference(fof_nnf,[status(thm)],[rc1_funct_1]) ).
fof(f_27_2,plain,
? [U_36] :
( function(U_36)
& relation(U_36) ),
inference(variable_rename,[status(thm)],[f_27_1]) ).
fof(f_27_3,plain,
( function(sK2)
& relation(sK2) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK2]),skolemize(U_36,sK2)],[f_27_2]) ).
cnf(f_27_4,plain,
relation(sK2),
inference(clausify,[status(thm)],[f_27_3]) ).
cnf(f_27_5,plain,
function(sK2),
inference(clausify,[status(thm)],[f_27_3]) ).
fof(f_28_1,plain,
? [A] :
( relation(A)
& empty(A) ),
inference(fof_nnf,[status(thm)],[rc1_relat_1]) ).
fof(f_28_2,plain,
? [U_37] :
( relation(U_37)
& empty(U_37) ),
inference(variable_rename,[status(thm)],[f_28_1]) ).
fof(f_28_3,plain,
( relation(sK3)
& empty(sK3) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK3]),skolemize(U_37,sK3)],[f_28_2]) ).
cnf(f_28_4,plain,
empty(sK3),
inference(clausify,[status(thm)],[f_28_3]) ).
cnf(f_28_5,plain,
relation(sK3),
inference(clausify,[status(thm)],[f_28_3]) ).
fof(f_29_1,plain,
? [A] : empty(A),
inference(fof_nnf,[status(thm)],[rc1_xboole_0]) ).
fof(f_29_2,plain,
? [U_38] : empty(U_38),
inference(variable_rename,[status(thm)],[f_29_1]) ).
fof(f_29_3,plain,
empty(sK4),
inference(skolemize,[status(esa),new_symbols(skolem,[sK4]),skolemize(U_38,sK4)],[f_29_2]) ).
cnf(f_29_4,plain,
empty(sK4),
inference(clausify,[status(thm)],[f_29_3]) ).
fof(f_30_1,plain,
? [A] :
( relation(A)
& ~ empty(A) ),
inference(fof_nnf,[status(thm)],[rc2_relat_1]) ).
fof(f_30_2,plain,
? [U_39] :
( relation(U_39)
& ~ empty(U_39) ),
inference(variable_rename,[status(thm)],[f_30_1]) ).
fof(f_30_3,plain,
( relation(sK5)
& ~ empty(sK5) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK5]),skolemize(U_39,sK5)],[f_30_2]) ).
cnf(f_30_4,plain,
~ empty(sK5),
inference(clausify,[status(thm)],[f_30_3]) ).
cnf(f_30_5,plain,
relation(sK5),
inference(clausify,[status(thm)],[f_30_3]) ).
fof(f_31_1,plain,
? [A] : ~ empty(A),
inference(fof_nnf,[status(thm)],[rc2_xboole_0]) ).
fof(f_31_2,plain,
? [U_40] : ~ empty(U_40),
inference(variable_rename,[status(thm)],[f_31_1]) ).
fof(f_31_3,plain,
~ empty(sK6),
inference(skolemize,[status(esa),new_symbols(skolem,[sK6]),skolemize(U_40,sK6)],[f_31_2]) ).
cnf(f_31_4,plain,
~ empty(sK6),
inference(clausify,[status(thm)],[f_31_3]) ).
fof(f_32_1,plain,
? [A] :
( relation_empty_yielding(A)
& relation(A) ),
inference(fof_nnf,[status(thm)],[rc3_relat_1]) ).
fof(f_32_2,plain,
? [U_41] :
( relation_empty_yielding(U_41)
& relation(U_41) ),
inference(variable_rename,[status(thm)],[f_32_1]) ).
fof(f_32_3,plain,
( relation_empty_yielding(sK7)
& relation(sK7) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK7]),skolemize(U_41,sK7)],[f_32_2]) ).
cnf(f_32_4,plain,
relation(sK7),
inference(clausify,[status(thm)],[f_32_3]) ).
cnf(f_32_5,plain,
relation_empty_yielding(sK7),
inference(clausify,[status(thm)],[f_32_3]) ).
fof(f_33_1,plain,
! [A,B] :
( element(A,B)
| ~ in(A,B) ),
inference(fof_nnf,[status(thm)],[t1_subset]) ).
fof(f_33_2,plain,
! [U_43,U_42] :
( element(U_43,U_42)
| ~ in(U_43,U_42) ),
inference(variable_rename,[status(thm)],[f_33_1]) ).
cnf(f_33_3,plain,
( element(U_43,U_42)
| ~ in(U_43,U_42) ),
inference(clausify,[status(thm)],[f_33_2]) ).
fof(f_34_1,plain,
! [A,B] :
( ! [C] :
( ( ( in(A,relation_dom(relation_composition(C,B)))
| ~ in(apply(C,A),relation_dom(B))
| ~ in(A,relation_dom(C)) )
& ( ( in(apply(C,A),relation_dom(B))
& in(A,relation_dom(C)) )
| ~ in(A,relation_dom(relation_composition(C,B))) ) )
| ~ function(C)
| ~ relation(C) )
| ~ function(B)
| ~ relation(B) ),
inference(fof_nnf,[status(thm)],[t21_funct_1]) ).
fof(f_34_2,plain,
! [U_46,U_45] :
( ! [U_44] :
( ( ( in(U_46,relation_dom(relation_composition(U_44,U_45)))
| ~ in(apply(U_44,U_46),relation_dom(U_45))
| ~ in(U_46,relation_dom(U_44)) )
& ( ( in(apply(U_44,U_46),relation_dom(U_45))
& in(U_46,relation_dom(U_44)) )
| ~ in(U_46,relation_dom(relation_composition(U_44,U_45))) ) )
| ~ function(U_44)
| ~ relation(U_44) )
| ~ function(U_45)
| ~ relation(U_45) ),
inference(variable_rename,[status(thm)],[f_34_1]) ).
cnf(f_34_3,plain,
( in(U_46,relation_dom(U_44))
| ~ in(U_46,relation_dom(relation_composition(U_44,U_45)))
| ~ function(U_44)
| ~ relation(U_44)
| ~ function(U_45)
| ~ relation(U_45) ),
inference(clausify,[status(thm)],[f_34_2]) ).
cnf(f_34_4,plain,
( in(apply(U_44,U_46),relation_dom(U_45))
| ~ in(U_46,relation_dom(relation_composition(U_44,U_45)))
| ~ function(U_44)
| ~ relation(U_44)
| ~ function(U_45)
| ~ relation(U_45) ),
inference(clausify,[status(thm)],[f_34_2]) ).
cnf(f_34_5,plain,
( in(U_46,relation_dom(relation_composition(U_44,U_45)))
| ~ in(apply(U_44,U_46),relation_dom(U_45))
| ~ in(U_46,relation_dom(U_44))
| ~ function(U_44)
| ~ relation(U_44)
| ~ function(U_45)
| ~ relation(U_45) ),
inference(clausify,[status(thm)],[f_34_2]) ).
fof(f_35_1,plain,
! [A,B] :
( ! [C] :
( apply(relation_composition(C,B),A) = apply(B,apply(C,A))
| ~ in(A,relation_dom(relation_composition(C,B)))
| ~ function(C)
| ~ relation(C) )
| ~ function(B)
| ~ relation(B) ),
inference(fof_nnf,[status(thm)],[t22_funct_1]) ).
fof(f_35_2,plain,
! [U_49,U_48] :
( ! [U_47] :
( apply(relation_composition(U_47,U_48),U_49) = apply(U_48,apply(U_47,U_49))
| ~ in(U_49,relation_dom(relation_composition(U_47,U_48)))
| ~ function(U_47)
| ~ relation(U_47) )
| ~ function(U_48)
| ~ relation(U_48) ),
inference(variable_rename,[status(thm)],[f_35_1]) ).
cnf(f_35_3,plain,
( apply(relation_composition(U_47,U_48),U_49) = apply(U_48,apply(U_47,U_49))
| ~ in(U_49,relation_dom(relation_composition(U_47,U_48)))
| ~ function(U_47)
| ~ relation(U_47)
| ~ function(U_48)
| ~ relation(U_48) ),
inference(clausify,[status(thm)],[f_35_2]) ).
fof(f_36_1,negated_conjecture,
~ ! [A,B] :
( ( function(B)
& relation(B) )
=> ! [C] :
( ( function(C)
& relation(C) )
=> ( in(A,relation_dom(B))
=> apply(relation_composition(B,C),A) = apply(C,apply(B,A)) ) ) ),
inference(negate,[status(cth)],[t23_funct_1]) ).
fof(f_36_2,negated_conjecture,
? [A,B] :
( ? [C] :
( apply(relation_composition(B,C),A) != apply(C,apply(B,A))
& in(A,relation_dom(B))
& function(C)
& relation(C) )
& function(B)
& relation(B) ),
inference(fof_nnf,[status(thm)],[f_36_1]) ).
fof(f_36_3,negated_conjecture,
? [U_52,U_51] :
( ? [U_50] :
( apply(relation_composition(U_51,U_50),U_52) != apply(U_50,apply(U_51,U_52))
& in(U_52,relation_dom(U_51))
& function(U_50)
& relation(U_50) )
& function(U_51)
& relation(U_51) ),
inference(variable_rename,[status(thm)],[f_36_2]) ).
fof(f_36_4,negated_conjecture,
? [U_51] :
( ? [U_50] :
( apply(relation_composition(U_51,U_50),sK8) != apply(U_50,apply(U_51,sK8))
& in(sK8,relation_dom(U_51))
& function(U_50)
& relation(U_50) )
& function(U_51)
& relation(U_51) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK8]),skolemize(U_52,sK8)],[f_36_3]) ).
fof(f_36_5,negated_conjecture,
( ? [U_50] :
( apply(relation_composition(sK9,U_50),sK8) != apply(U_50,apply(sK9,sK8))
& in(sK8,relation_dom(sK9))
& function(U_50)
& relation(U_50) )
& function(sK9)
& relation(sK9) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK9]),skolemize(U_51,sK9)],[f_36_4]) ).
fof(f_36_6,negated_conjecture,
( apply(relation_composition(sK9,sK10),sK8) != apply(sK10,apply(sK9,sK8))
& in(sK8,relation_dom(sK9))
& function(sK10)
& relation(sK10)
& function(sK9)
& relation(sK9) ),
inference(skolemize,[status(esa),new_symbols(skolem,[sK10]),skolemize(U_50,sK10)],[f_36_5]) ).
fof(f_36_7,negated_conjecture,
( apply(relation_composition(sK9,sK10),sK8) != apply(sK10,apply(sK9,sK8))
& in(sK8,relation_dom(sK9))
& function(sK10)
& relation(sK10)
& function(sK9)
& relation(sK9) ),
inference(definitional_conversion,[status(esa)],[f_36_6]) ).
cnf(f_36_8,negated_conjecture,
relation(sK9),
inference(clausify,[status(thm)],[f_36_7]) ).
cnf(f_36_9,negated_conjecture,
function(sK9),
inference(clausify,[status(thm)],[f_36_7]) ).
cnf(f_36_10,negated_conjecture,
relation(sK10),
inference(clausify,[status(thm)],[f_36_7]) ).
cnf(f_36_11,negated_conjecture,
function(sK10),
inference(clausify,[status(thm)],[f_36_7]) ).
cnf(f_36_12,negated_conjecture,
in(sK8,relation_dom(sK9)),
inference(clausify,[status(thm)],[f_36_7]) ).
cnf(f_36_13,negated_conjecture,
apply(relation_composition(sK9,sK10),sK8) != apply(sK10,apply(sK9,sK8)),
inference(clausify,[status(thm)],[f_36_7]) ).
fof(f_37_1,plain,
! [A,B] :
( in(A,B)
| empty(B)
| ~ element(A,B) ),
inference(fof_nnf,[status(thm)],[t2_subset]) ).
fof(f_37_2,plain,
! [U_54,U_53] :
( in(U_54,U_53)
| empty(U_53)
| ~ element(U_54,U_53) ),
inference(variable_rename,[status(thm)],[f_37_1]) ).
cnf(f_37_3,plain,
( in(U_54,U_53)
| empty(U_53)
| ~ element(U_54,U_53) ),
inference(clausify,[status(thm)],[f_37_2]) ).
fof(f_38_1,plain,
! [A] :
( A = empty_set
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[t6_boole]) ).
fof(f_38_2,plain,
! [U_55] :
( U_55 = empty_set
| ~ empty(U_55) ),
inference(variable_rename,[status(thm)],[f_38_1]) ).
cnf(f_38_3,plain,
( U_55 = empty_set
| ~ empty(U_55) ),
inference(clausify,[status(thm)],[f_38_2]) ).
fof(f_39_1,plain,
! [A,B] :
( ~ empty(B)
| ~ in(A,B) ),
inference(fof_nnf,[status(thm)],[t7_boole]) ).
fof(f_39_2,plain,
! [U_57,U_56] :
( ~ empty(U_56)
| ~ in(U_57,U_56) ),
inference(variable_rename,[status(thm)],[f_39_1]) ).
cnf(f_39_3,plain,
( ~ empty(U_56)
| ~ in(U_57,U_56) ),
inference(clausify,[status(thm)],[f_39_2]) ).
fof(f_40_1,plain,
! [A,B] :
( ~ empty(B)
| A = B
| ~ empty(A) ),
inference(fof_nnf,[status(thm)],[t8_boole]) ).
fof(f_40_2,plain,
! [U_59,U_58] :
( ~ empty(U_58)
| U_59 = U_58
| ~ empty(U_59) ),
inference(variable_rename,[status(thm)],[f_40_1]) ).
fof(f_40_3,plain,
! [U_59] :
( ! [U_58] :
( ~ empty(U_58)
| U_59 = U_58 )
| ~ empty(U_59) ),
inference(miniscope,[status(thm)],[f_40_2]) ).
cnf(f_40_4,plain,
( ~ empty(U_58)
| U_59 = U_58
| ~ empty(U_59) ),
inference(clausify,[status(thm)],[f_40_3]) ).
cnf(f_7_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_7_2]) ).
cnf(f_8_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_8_2]) ).
cnf(f_9_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_9_2]) ).
cnf(f_10_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_10_2]) ).
cnf(f_11_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_11_2]) ).
cnf(f_12_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_12_2]) ).
cnf(f_14_2_true,plain,
$true,
inference(clause_is_true,[status(thm)],[f_14_2]) ).
cnf(equality_1,axiom,
Eq_x_0 = Eq_x_0,
theory(equality,[reflexivity]) ).
cnf(equality_2,axiom,
( Eq_x_1 = Eq_x_0
| Eq_x_0 != Eq_x_1 ),
theory(equality,[symmetry]) ).
cnf(equality_3,axiom,
( Eq_x_0 = Eq_x_2
| Eq_x_1 != Eq_x_2
| Eq_x_0 != Eq_x_1 ),
theory(equality,[transitivity]) ).
cnf(equality_4,axiom,
( unordered_pair(Eq_x_0,Eq_x_1) = unordered_pair(Eq_y_0,Eq_y_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_5,axiom,
( relation_dom(Eq_x_0) = relation_dom(Eq_y_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_6,axiom,
( apply(Eq_x_0,Eq_x_1) = apply(Eq_y_0,Eq_y_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_7,axiom,
( ordered_pair(Eq_x_0,Eq_x_1) = ordered_pair(Eq_y_0,Eq_y_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_8,axiom,
( singleton(Eq_x_0) = singleton(Eq_y_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_9,axiom,
( relation_composition(Eq_x_0,Eq_x_1) = relation_composition(Eq_y_0,Eq_y_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_10,axiom,
( sK1(Eq_x_0) = sK1(Eq_y_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_functions]) ).
cnf(equality_11,axiom,
( in(Eq_y_0,Eq_y_1)
| ~ in(Eq_x_0,Eq_x_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(equality_12,axiom,
( empty(Eq_y_0)
| ~ empty(Eq_x_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(equality_13,axiom,
( function(Eq_y_0)
| ~ function(Eq_x_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(equality_14,axiom,
( relation(Eq_y_0)
| ~ relation(Eq_x_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(equality_15,axiom,
( element(Eq_y_0,Eq_y_1)
| ~ element(Eq_x_0,Eq_x_1)
| Eq_x_1 != Eq_y_1
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(equality_16,axiom,
( relation_empty_yielding(Eq_y_0)
| ~ relation_empty_yielding(Eq_x_0)
| Eq_x_0 != Eq_y_0 ),
theory(equality,[substitution_predicates]) ).
cnf(sat_proved,plain,
$false,
inference(cadical,[status(thm)],[]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : SEU215+1 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.03 This is a FOF_THM_RFO_SEQ problem
% 0.00/0.03 % Command : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.10/0.36 % Computer : n016.cluster.edu
% 0.10/0.36 % Model : x86_64 x86_64
% 0.10/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36 % Memory : 8046.5625MB
% 0.10/0.36 % OS : Linux 6.8.0-71-generic
% 0.10/0.36 % CPULimit : 300
% 0.10/0.36 % WCLimit : 300
% 0.10/0.36 % DateTime : Sat Sep 19 23:37:05 UTC 2026
% 0.10/0.37 % CPUTime :
% 1.15/1.40 % SZS status Theorem for theBenchmark
% 1.15/1.40 % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------