TSTP Solution File: NUM393+1 by ConnectPP---0.3.0
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%------------------------------------------------------------------------------
% File : ConnectPP---0.3.0
% Problem : NUM393+1 : TPTP v8.1.2. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : connect++ --verbosity 0 --no-colour --tptp-proof --schedule default %s
% Computer : n019.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 : Mon Mar 25 14:26:40 EDT 2024
% Result : Theorem 0.61s 0.78s
% Output : Proof 0.61s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12 % Problem : NUM393+1 : TPTP v8.1.2. Released v3.2.0.
% 0.03/0.13 % Command : connect++ --verbosity 0 --no-colour --tptp-proof --schedule default %s
% 0.13/0.33 % Computer : n019.cluster.edu
% 0.13/0.33 % Model : x86_64 x86_64
% 0.13/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33 % Memory : 8042.1875MB
% 0.13/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33 % CPULimit : 300
% 0.13/0.33 % WCLimit : 300
% 0.13/0.33 % DateTime : Wed Mar 20 19:17:18 EDT 2024
% 0.13/0.34 % CPUTime :
% 0.61/0.78 % SZS status Theorem for theBenchmark
% 0.61/0.78 % SZS output start Proof for theBenchmark
% 0.61/0.78
% 0.61/0.78 % Formula: antisymmetry_r2_hidden ( axiom ) converted to clauses:
% 0.61/0.78 cnf(antisymmetry_r2_hidden-1, axiom, ( ~in(_u1, _u0) | ~in(_u0, _u1) )).
% 0.61/0.78
% 0.61/0.78 % Formula: cc1_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(cc1_funct_1-1, axiom, ( ~empty(_u2) | function(_u2) )).
% 0.61/0.78
% 0.61/0.78 % Formula: cc1_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(cc1_ordinal1-1, axiom, ( ~ordinal(_u3) | epsilon_transitive(_u3) )).
% 0.61/0.78 cnf(cc1_ordinal1-2, axiom, ( ~ordinal(_u3) | epsilon_connected(_u3) )).
% 0.61/0.78
% 0.61/0.78 % Formula: cc1_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(cc1_relat_1-1, axiom, ( ~empty(_u4) | relation(_u4) )).
% 0.61/0.78
% 0.61/0.78 % Formula: cc2_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(cc2_funct_1-1, axiom, ( ~relation(_u5) | ~empty(_u5) | ~function(_u5) | one_to_one(_u5) )).
% 0.61/0.78
% 0.61/0.78 % Formula: cc2_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(cc2_ordinal1-1, axiom, ( ~epsilon_transitive(_u6) | ~epsilon_connected(_u6) | ordinal(_u6) )).
% 0.61/0.78
% 0.61/0.78 % Formula: connectedness_r1_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(connectedness_r1_ordinal1-1, axiom, ( ~ordinal(_u8) | ~ordinal(_u7) | ordinal_subset(_u8, _u7) | ordinal_subset(_u7, _u8) )).
% 0.61/0.78
% 0.61/0.78 % Formula: d9_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(d9_xboole_0-1, axiom, ( ~inclusion_comparable(_u13, _u11) | subset(_u13, _u11) | subset(_u11, _u13) )).
% 0.61/0.78 cnf(d9_xboole_0-2, axiom, ( inclusion_comparable(_u14, _u12) | ~subset(_u14, _u12) )).
% 0.61/0.78 cnf(d9_xboole_0-3, axiom, ( inclusion_comparable(_u14, _u12) | ~subset(_u12, _u14) )).
% 0.61/0.78
% 0.61/0.78 % Formula: existence_m1_subset_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(existence_m1_subset_1-1, axiom, ( element(skolem1(_u16), _u16) )).
% 0.61/0.78
% 0.61/0.78 % Formula: fc12_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(fc12_relat_1-1, axiom, ( empty(empty_set) )).
% 0.61/0.78 cnf(fc12_relat_1-2, axiom, ( relation(empty_set) )).
% 0.61/0.78 cnf(fc12_relat_1-3, axiom, ( relation_empty_yielding(empty_set) )).
% 0.61/0.78
% 0.61/0.78 % Formula: fc1_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(fc1_xboole_0-1, axiom, ( empty(empty_set) )).
% 0.61/0.78
% 0.61/0.78 % Formula: fc4_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(fc4_relat_1-1, axiom, ( empty(empty_set) )).
% 0.61/0.78 cnf(fc4_relat_1-2, axiom, ( relation(empty_set) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc1_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc1_funct_1-1, axiom, ( relation(skolem2) )).
% 0.61/0.78 cnf(rc1_funct_1-2, axiom, ( function(skolem2) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc1_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc1_ordinal1-1, axiom, ( epsilon_transitive(skolem3) )).
% 0.61/0.78 cnf(rc1_ordinal1-2, axiom, ( epsilon_connected(skolem3) )).
% 0.61/0.78 cnf(rc1_ordinal1-3, axiom, ( ordinal(skolem3) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc1_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc1_relat_1-1, axiom, ( empty(skolem4) )).
% 0.61/0.78 cnf(rc1_relat_1-2, axiom, ( relation(skolem4) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc1_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc1_xboole_0-1, axiom, ( empty(skolem5) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc2_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc2_funct_1-1, axiom, ( relation(skolem6) )).
% 0.61/0.78 cnf(rc2_funct_1-2, axiom, ( empty(skolem6) )).
% 0.61/0.78 cnf(rc2_funct_1-3, axiom, ( function(skolem6) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc2_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc2_relat_1-1, axiom, ( ~empty(skolem7) )).
% 0.61/0.78 cnf(rc2_relat_1-2, axiom, ( relation(skolem7) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc2_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc2_xboole_0-1, axiom, ( ~empty(skolem8) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc3_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc3_funct_1-1, axiom, ( relation(skolem9) )).
% 0.61/0.78 cnf(rc3_funct_1-2, axiom, ( function(skolem9) )).
% 0.61/0.78 cnf(rc3_funct_1-3, axiom, ( one_to_one(skolem9) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc3_relat_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc3_relat_1-1, axiom, ( relation(skolem10) )).
% 0.61/0.78 cnf(rc3_relat_1-2, axiom, ( relation_empty_yielding(skolem10) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc4_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc4_funct_1-1, axiom, ( relation(skolem11) )).
% 0.61/0.78 cnf(rc4_funct_1-2, axiom, ( relation_empty_yielding(skolem11) )).
% 0.61/0.78 cnf(rc4_funct_1-3, axiom, ( function(skolem11) )).
% 0.61/0.78
% 0.61/0.78 % Formula: rc5_funct_1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(rc5_funct_1-1, axiom, ( relation(skolem12) )).
% 0.61/0.78 cnf(rc5_funct_1-2, axiom, ( relation_non_empty(skolem12) )).
% 0.61/0.78 cnf(rc5_funct_1-3, axiom, ( function(skolem12) )).
% 0.61/0.78
% 0.61/0.78 % Formula: redefinition_r1_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(redefinition_r1_ordinal1-1, axiom, ( ~ordinal(_u29) | ~ordinal(_u28) | ~ordinal_subset(_u29, _u28) | subset(_u29, _u28) )).
% 0.61/0.78 cnf(redefinition_r1_ordinal1-2, axiom, ( ~ordinal(_u29) | ~ordinal(_u28) | ~subset(_u29, _u28) | ordinal_subset(_u29, _u28) )).
% 0.61/0.78
% 0.61/0.78 % Formula: reflexivity_r1_ordinal1 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(reflexivity_r1_ordinal1-1, axiom, ( ordinal_subset(_u31, _u31) | ~ordinal(_u31) | ~ordinal(_u30) )).
% 0.61/0.78
% 0.61/0.78 % Formula: reflexivity_r1_tarski ( axiom ) converted to clauses:
% 0.61/0.78 cnf(reflexivity_r1_tarski-1, axiom, ( subset(_u33, _u33) )).
% 0.61/0.78
% 0.61/0.78 % Formula: reflexivity_r3_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(reflexivity_r3_xboole_0-1, axiom, ( inclusion_comparable(_u35, _u35) )).
% 0.61/0.78
% 0.61/0.78 % Formula: symmetry_r3_xboole_0 ( axiom ) converted to clauses:
% 0.61/0.78 cnf(symmetry_r3_xboole_0-1, axiom, ( ~inclusion_comparable(_u37, _u36) | inclusion_comparable(_u36, _u37) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t1_subset ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t1_subset-1, axiom, ( ~in(_u39, _u38) | element(_u39, _u38) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t25_ordinal1 ( conjecture ) (definitionally) converted to clauses:
% 0.61/0.78 cnf(t25_ordinal1-1, negated_conjecture, ( ordinal(skolem13) )).
% 0.61/0.78 cnf(t25_ordinal1-2, negated_conjecture, ( ordinal(skolem14) )).
% 0.61/0.78 cnf(t25_ordinal1-3, negated_conjecture, ( ~inclusion_comparable(skolem13, skolem14) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t2_subset ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t2_subset-1, axiom, ( ~element(_u43, _u42) | empty(_u42) | in(_u43, _u42) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t3_subset ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t3_subset-1, axiom, ( ~element(_u48, powerset(_u46)) | subset(_u48, _u46) )).
% 0.61/0.78 cnf(t3_subset-2, axiom, ( ~subset(_u49, _u47) | element(_u49, powerset(_u47)) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t4_subset ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t4_subset-1, axiom, ( ~in(_u52, _u51) | ~element(_u51, powerset(_u50)) | element(_u52, _u50) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t5_subset ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t5_subset-1, axiom, ( ~in(_u55, _u54) | ~element(_u54, powerset(_u53)) | ~empty(_u53) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t6_boole ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t6_boole-1, axiom, ( ~empty(_u56) | ( _u56 = empty_set) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t7_boole ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t7_boole-1, axiom, ( ~in(_u58, _u57) | ~empty(_u57) )).
% 0.61/0.78
% 0.61/0.78 % Formula: t8_boole ( axiom ) converted to clauses:
% 0.61/0.78 cnf(t8_boole-1, axiom, ( ~empty(_u60) | ( _u60 = _u59) | ~empty(_u59) )).
% 0.61/0.78
% 0.61/0.78 % Problem matrix:
% 0.61/0.78 cnf(matrix-0, plain, ( ( __eqx_0 = __eqx_0) )).
% 0.61/0.78 cnf(matrix-1, plain, ( ( __eqx_0 != __eqx_1) | ( __eqx_1 = __eqx_0) )).
% 0.61/0.78 cnf(matrix-2, plain, ( ( __eqx_0 != __eqx_1) | ( __eqx_1 != __eqx_2) | ( __eqx_0 = __eqx_2) )).
% 0.61/0.78 cnf(matrix-3, plain, ( ( __eqx_0 != __eqy_0) | ( powerset(__eqx_0) = powerset(__eqy_0)) )).
% 0.61/0.78 cnf(matrix-4, plain, ( ( __eqx_0 != __eqy_0) | ( skolem1(__eqx_0) = skolem1(__eqy_0)) )).
% 0.61/0.78 cnf(matrix-5, plain, ( ( __eqx_0 != __eqy_0) | ( __eqx_1 != __eqy_1) | ~in(__eqx_0, __eqx_1) | in(__eqy_0, __eqy_1) )).
% 0.61/0.78 cnf(matrix-6, plain, ( ( __eqx_0 != __eqy_0) | ~empty(__eqx_0) | empty(__eqy_0) )).
% 0.61/0.78 cnf(matrix-7, plain, ( ( __eqx_0 != __eqy_0) | ~function(__eqx_0) | function(__eqy_0) )).
% 0.61/0.78 cnf(matrix-8, plain, ( ( __eqx_0 != __eqy_0) | ~ordinal(__eqx_0) | ordinal(__eqy_0) )).
% 0.61/0.78 cnf(matrix-9, plain, ( ( __eqx_0 != __eqy_0) | ~epsilon_transitive(__eqx_0) | epsilon_transitive(__eqy_0) )).
% 0.61/0.78 cnf(matrix-10, plain, ( ( __eqx_0 != __eqy_0) | ~epsilon_connected(__eqx_0) | epsilon_connected(__eqy_0) )).
% 0.61/0.78 cnf(matrix-11, plain, ( ( __eqx_0 != __eqy_0) | ~relation(__eqx_0) | relation(__eqy_0) )).
% 0.61/0.78 cnf(matrix-12, plain, ( ( __eqx_0 != __eqy_0) | ~one_to_one(__eqx_0) | one_to_one(__eqy_0) )).
% 0.61/0.78 cnf(matrix-13, plain, ( ( __eqx_0 != __eqy_0) | ( __eqx_1 != __eqy_1) | ~ordinal_subset(__eqx_0, __eqx_1) | ordinal_subset(__eqy_0, __eqy_1) )).
% 0.61/0.78 cnf(matrix-14, plain, ( ( __eqx_0 != __eqy_0) | ( __eqx_1 != __eqy_1) | ~inclusion_comparable(__eqx_0, __eqx_1) | inclusion_comparable(__eqy_0, __eqy_1) )).
% 0.61/0.78 cnf(matrix-15, plain, ( ( __eqx_0 != __eqy_0) | ( __eqx_1 != __eqy_1) | ~subset(__eqx_0, __eqx_1) | subset(__eqy_0, __eqy_1) )).
% 0.61/0.78 cnf(matrix-16, plain, ( ( __eqx_0 != __eqy_0) | ( __eqx_1 != __eqy_1) | ~element(__eqx_0, __eqx_1) | element(__eqy_0, __eqy_1) )).
% 0.61/0.78 cnf(matrix-17, plain, ( ( __eqx_0 != __eqy_0) | ~relation_empty_yielding(__eqx_0) | relation_empty_yielding(__eqy_0) )).
% 0.61/0.78 cnf(matrix-18, plain, ( ( __eqx_0 != __eqy_0) | ~relation_non_empty(__eqx_0) | relation_non_empty(__eqy_0) )).
% 0.61/0.78 cnf(matrix-19, plain, ( ~in(_u1, _u0) | ~in(_u0, _u1) )).
% 0.61/0.78 cnf(matrix-20, plain, ( ~empty(_u2) | function(_u2) )).
% 0.61/0.78 cnf(matrix-21, plain, ( ~ordinal(_u3) | epsilon_transitive(_u3) )).
% 0.61/0.78 cnf(matrix-22, plain, ( ~ordinal(_u3) | epsilon_connected(_u3) )).
% 0.61/0.78 cnf(matrix-23, plain, ( ~empty(_u4) | relation(_u4) )).
% 0.61/0.78 cnf(matrix-24, plain, ( ~relation(_u5) | ~empty(_u5) | ~function(_u5) | one_to_one(_u5) )).
% 0.61/0.78 cnf(matrix-25, plain, ( ~epsilon_transitive(_u6) | ~epsilon_connected(_u6) | ordinal(_u6) )).
% 0.61/0.78 cnf(matrix-26, plain, ( ~ordinal(_u8) | ~ordinal(_u7) | ordinal_subset(_u8, _u7) | ordinal_subset(_u7, _u8) )).
% 0.61/0.78 cnf(matrix-27, plain, ( ~inclusion_comparable(_u13, _u11) | subset(_u13, _u11) | subset(_u11, _u13) )).
% 0.61/0.78 cnf(matrix-28, plain, ( inclusion_comparable(_u14, _u12) | ~subset(_u14, _u12) )).
% 0.61/0.78 cnf(matrix-29, plain, ( inclusion_comparable(_u14, _u12) | ~subset(_u12, _u14) )).
% 0.61/0.78 cnf(matrix-30, plain, ( element(skolem1(_u16), _u16) )).
% 0.61/0.78 cnf(matrix-31, plain, ( empty(empty_set) )).
% 0.61/0.78 cnf(matrix-32, plain, ( relation(empty_set) )).
% 0.61/0.78 cnf(matrix-33, plain, ( relation_empty_yielding(empty_set) )).
% 0.61/0.78 cnf(matrix-34, plain, ( empty(empty_set) )).
% 0.61/0.78 cnf(matrix-35, plain, ( empty(empty_set) )).
% 0.61/0.78 cnf(matrix-36, plain, ( relation(empty_set) )).
% 0.61/0.78 cnf(matrix-37, plain, ( relation(skolem2) )).
% 0.61/0.78 cnf(matrix-38, plain, ( function(skolem2) )).
% 0.61/0.78 cnf(matrix-39, plain, ( epsilon_transitive(skolem3) )).
% 0.61/0.78 cnf(matrix-40, plain, ( epsilon_connected(skolem3) )).
% 0.61/0.78 cnf(matrix-41, plain, ( ordinal(skolem3) )).
% 0.61/0.78 cnf(matrix-42, plain, ( empty(skolem4) )).
% 0.61/0.78 cnf(matrix-43, plain, ( relation(skolem4) )).
% 0.61/0.78 cnf(matrix-44, plain, ( empty(skolem5) )).
% 0.61/0.78 cnf(matrix-45, plain, ( relation(skolem6) )).
% 0.61/0.78 cnf(matrix-46, plain, ( empty(skolem6) )).
% 0.61/0.78 cnf(matrix-47, plain, ( function(skolem6) )).
% 0.61/0.78 cnf(matrix-48, plain, ( ~empty(skolem7) )).
% 0.61/0.78 cnf(matrix-49, plain, ( relation(skolem7) )).
% 0.61/0.78 cnf(matrix-50, plain, ( ~empty(skolem8) )).
% 0.61/0.78 cnf(matrix-51, plain, ( relation(skolem9) )).
% 0.61/0.78 cnf(matrix-52, plain, ( function(skolem9) )).
% 0.61/0.78 cnf(matrix-53, plain, ( one_to_one(skolem9) )).
% 0.61/0.78 cnf(matrix-54, plain, ( relation(skolem10) )).
% 0.61/0.78 cnf(matrix-55, plain, ( relation_empty_yielding(skolem10) )).
% 0.61/0.78 cnf(matrix-56, plain, ( relation(skolem11) )).
% 0.61/0.78 cnf(matrix-57, plain, ( relation_empty_yielding(skolem11) )).
% 0.61/0.78 cnf(matrix-58, plain, ( function(skolem11) )).
% 0.61/0.78 cnf(matrix-59, plain, ( relation(skolem12) )).
% 0.61/0.78 cnf(matrix-60, plain, ( relation_non_empty(skolem12) )).
% 0.61/0.78 cnf(matrix-61, plain, ( function(skolem12) )).
% 0.61/0.78 cnf(matrix-62, plain, ( ~ordinal(_u29) | ~ordinal(_u28) | ~ordinal_subset(_u29, _u28) | subset(_u29, _u28) )).
% 0.61/0.78 cnf(matrix-63, plain, ( ~ordinal(_u29) | ~ordinal(_u28) | ~subset(_u29, _u28) | ordinal_subset(_u29, _u28) )).
% 0.61/0.78 cnf(matrix-64, plain, ( ordinal_subset(_u31, _u31) | ~ordinal(_u31) | ~ordinal(_u30) )).
% 0.61/0.78 cnf(matrix-65, plain, ( subset(_u33, _u33) )).
% 0.61/0.78 cnf(matrix-66, plain, ( inclusion_comparable(_u35, _u35) )).
% 0.61/0.78 cnf(matrix-67, plain, ( ~inclusion_comparable(_u37, _u36) | inclusion_comparable(_u36, _u37) )).
% 0.61/0.78 cnf(matrix-68, plain, ( ~in(_u39, _u38) | element(_u39, _u38) )).
% 0.61/0.78 cnf(matrix-69, plain, ( ordinal(skolem13) )).
% 0.61/0.78 cnf(matrix-70, plain, ( ordinal(skolem14) )).
% 0.61/0.78 cnf(matrix-71, plain, ( ~inclusion_comparable(skolem13, skolem14) )).
% 0.61/0.78 cnf(matrix-72, plain, ( ~element(_u43, _u42) | empty(_u42) | in(_u43, _u42) )).
% 0.61/0.78 cnf(matrix-73, plain, ( ~element(_u48, powerset(_u46)) | subset(_u48, _u46) )).
% 0.61/0.78 cnf(matrix-74, plain, ( ~subset(_u49, _u47) | element(_u49, powerset(_u47)) )).
% 0.61/0.78 cnf(matrix-75, plain, ( ~in(_u52, _u51) | ~element(_u51, powerset(_u50)) | element(_u52, _u50) )).
% 0.61/0.78 cnf(matrix-76, plain, ( ~in(_u55, _u54) | ~element(_u54, powerset(_u53)) | ~empty(_u53) )).
% 0.61/0.78 cnf(matrix-77, plain, ( ~empty(_u56) | ( _u56 = empty_set) )).
% 0.61/0.78 cnf(matrix-78, plain, ( ~in(_u58, _u57) | ~empty(_u57) )).
% 0.61/0.78 cnf(matrix-79, plain, ( ~empty(_u60) | ( _u60 = _u59) | ~empty(_u59) )).
% 0.61/0.78
% 0.61/0.78 % Proof stack:
% 0.61/0.78 cnf(proof-stack, plain,
% 0.61/0.78 proof_stack(
% 0.61/0.78 start(71),
% 0.61/0.78 left_branch(0, 29, 0, 2),
% 0.61/0.78 left_branch(0, 62, 3, 3),
% 0.61/0.78 left_branch(0, 70, 0, 4),
% 0.61/0.78 right_branch(4),
% 0.61/0.78 left_branch(0, 26, 3, 5),
% 0.61/0.78 left_branch(0, 69, 0, 6),
% 0.61/0.78 right_branch(6),
% 0.61/0.78 left_branch(0, 62, 2, 7),
% 0.61/0.78 lemmata(0, 1),
% 0.61/0.78 left_branch(0, 28, 1, 9),
% 0.61/0.78 reduction(0, 0),
% 0.61/0.78 right_branch(9),
% 0.61/0.78 lemmata(0, 0),
% 0.61/0.78 right_branch(7),
% 0.61/0.78 lemmata(0, 0),
% 0.61/0.78 right_branch(5),
% 0.61/0.78 left_branch(0, 69, 0, 6),
% 0.61/0.78 right_branch(6),
% 0.61/0.78 right_branch(3),
% 0.61/0.78 right_branch(2)
% 0.61/0.78 )).
% 0.61/0.78 % SZS output end Proof for theBenchmark
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