TSTP Solution File: SET037-3 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : SET037-3 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s

% Computer : n026.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 : Thu Aug 31 14:32:25 EDT 2023

% Result   : Unsatisfiable 2.06s 2.29s
% Output   : CNFRefutation 2.06s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :  101
% Syntax   : Number of formulae    :  160 (  26 unt;  75 typ;   0 def)
%            Number of atoms       :  181 (  54 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  183 (  87   ~;  96   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :  122 (  66   >;  56   *;   0   +;   0  <<)
%            Number of predicates  :   15 (  13 usr;   1 prp; 0-5 aty)
%            Number of functors    :   62 (  62 usr;   9 con; 0-5 aty)
%            Number of variables   :  124 (   9 sgn;   0   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    member: ( $i * $i ) > $o ).

tff(decl_23,type,
    little_set: $i > $o ).

tff(decl_24,type,
    f1: ( $i * $i ) > $i ).

tff(decl_25,type,
    non_ordered_pair: ( $i * $i ) > $i ).

tff(decl_26,type,
    singleton_set: $i > $i ).

tff(decl_27,type,
    ordered_pair: ( $i * $i ) > $i ).

tff(decl_28,type,
    ordered_pair_predicate: $i > $o ).

tff(decl_29,type,
    f2: $i > $i ).

tff(decl_30,type,
    f3: $i > $i ).

tff(decl_31,type,
    first: $i > $i ).

tff(decl_32,type,
    f4: ( $i * $i ) > $i ).

tff(decl_33,type,
    f5: ( $i * $i ) > $i ).

tff(decl_34,type,
    second: $i > $i ).

tff(decl_35,type,
    f6: ( $i * $i ) > $i ).

tff(decl_36,type,
    f7: ( $i * $i ) > $i ).

tff(decl_37,type,
    estin: $i ).

tff(decl_38,type,
    intersection: ( $i * $i ) > $i ).

tff(decl_39,type,
    complement: $i > $i ).

tff(decl_40,type,
    union: ( $i * $i ) > $i ).

tff(decl_41,type,
    domain_of: $i > $i ).

tff(decl_42,type,
    f8: ( $i * $i ) > $i ).

tff(decl_43,type,
    cross_product: ( $i * $i ) > $i ).

tff(decl_44,type,
    converse: $i > $i ).

tff(decl_45,type,
    rotate_right: $i > $i ).

tff(decl_46,type,
    f9: ( $i * $i ) > $i ).

tff(decl_47,type,
    f10: ( $i * $i ) > $i ).

tff(decl_48,type,
    f11: ( $i * $i ) > $i ).

tff(decl_49,type,
    flip_range_of: $i > $i ).

tff(decl_50,type,
    f12: ( $i * $i ) > $i ).

tff(decl_51,type,
    f13: ( $i * $i ) > $i ).

tff(decl_52,type,
    f14: ( $i * $i ) > $i ).

tff(decl_53,type,
    successor: $i > $i ).

tff(decl_54,type,
    empty_set: $i ).

tff(decl_55,type,
    universal_set: $i ).

tff(decl_56,type,
    infinity: $i ).

tff(decl_57,type,
    sigma: $i > $i ).

tff(decl_58,type,
    f16: ( $i * $i ) > $i ).

tff(decl_59,type,
    subset: ( $i * $i ) > $o ).

tff(decl_60,type,
    f17: ( $i * $i ) > $i ).

tff(decl_61,type,
    proper_subset: ( $i * $i ) > $o ).

tff(decl_62,type,
    powerset: $i > $i ).

tff(decl_63,type,
    relation: $i > $o ).

tff(decl_64,type,
    f18: $i > $i ).

tff(decl_65,type,
    single_valued_set: $i > $o ).

tff(decl_66,type,
    f19: $i > $i ).

tff(decl_67,type,
    f20: $i > $i ).

tff(decl_68,type,
    f21: $i > $i ).

tff(decl_69,type,
    function: $i > $o ).

tff(decl_70,type,
    image: ( $i * $i ) > $i ).

tff(decl_71,type,
    f22: ( $i * $i * $i ) > $i ).

tff(decl_72,type,
    disjoint: ( $i * $i ) > $o ).

tff(decl_73,type,
    f23: ( $i * $i ) > $i ).

tff(decl_74,type,
    f24: $i > $i ).

tff(decl_75,type,
    f25: $i ).

tff(decl_76,type,
    f26: $i > $i ).

tff(decl_77,type,
    range_of: $i > $i ).

tff(decl_78,type,
    f27: ( $i * $i ) > $i ).

tff(decl_79,type,
    identity_relation: $i ).

tff(decl_80,type,
    restrict: ( $i * $i ) > $i ).

tff(decl_81,type,
    one_to_one_function: $i > $o ).

tff(decl_82,type,
    apply: ( $i * $i ) > $i ).

tff(decl_83,type,
    f28: ( $i * $i * $i ) > $i ).

tff(decl_84,type,
    apply_to_two_arguments: ( $i * $i * $i ) > $i ).

tff(decl_85,type,
    maps: ( $i * $i * $i ) > $o ).

tff(decl_86,type,
    closed: ( $i * $i ) > $o ).

tff(decl_87,type,
    compose: ( $i * $i ) > $i ).

tff(decl_88,type,
    f29: ( $i * $i * $i ) > $i ).

tff(decl_89,type,
    f30: ( $i * $i * $i ) > $i ).

tff(decl_90,type,
    f31: ( $i * $i * $i ) > $i ).

tff(decl_91,type,
    homomorphism: ( $i * $i * $i * $i * $i ) > $o ).

tff(decl_92,type,
    f32: ( $i * $i * $i * $i * $i ) > $i ).

tff(decl_93,type,
    f33: ( $i * $i * $i * $i * $i ) > $i ).

tff(decl_94,type,
    a_function: $i ).

tff(decl_95,type,
    a: $i ).

tff(decl_96,type,
    b: $i ).

cnf(ordered_pair,axiom,
    ordered_pair(X1,X2) = non_ordered_pair(singleton_set(X1),non_ordered_pair(X1,X2)),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair) ).

cnf(singleton_set,axiom,
    singleton_set(X1) = non_ordered_pair(X1,X1),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',singleton_set) ).

cnf(apply_for_functions1,axiom,
    ( apply(X3,X1) = X2
    | ~ little_set(X1)
    | ~ little_set(X2)
    | ~ function(X3)
    | ~ member(ordered_pair(X1,X2),X3) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',apply_for_functions1) ).

cnf(ordered_pair_predicate3,axiom,
    ( X1 = ordered_pair(f2(X1),f3(X1))
    | ~ ordered_pair_predicate(X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate3) ).

cnf(ordered_pair_predicate1,axiom,
    ( little_set(f2(X1))
    | ~ ordered_pair_predicate(X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate1) ).

cnf(ordered_pair_predicate2,axiom,
    ( little_set(f3(X1))
    | ~ ordered_pair_predicate(X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',ordered_pair_predicate2) ).

cnf(domain2,axiom,
    ( member(f8(X1,X2),X2)
    | ~ member(X1,domain_of(X2)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',domain2) ).

cnf(member_of_function_domain,hypothesis,
    member(a,domain_of(a_function)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',member_of_function_domain) ).

cnf(domain1,axiom,
    ( ordered_pair_predicate(f8(X1,X2))
    | ~ member(X1,domain_of(X2)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',domain1) ).

cnf(property_of_first,axiom,
    ( first(ordered_pair(X1,X2)) = X1
    | ~ little_set(X1)
    | ~ little_set(X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_first) ).

cnf(property_of_second,axiom,
    ( second(ordered_pair(X1,X2)) = X2
    | ~ little_set(X1)
    | ~ little_set(X2) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',property_of_second) ).

cnf(a_function,hypothesis,
    function(a_function),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',a_function) ).

cnf(domain3,axiom,
    ( X1 = first(f8(X1,X2))
    | ~ member(X1,domain_of(X2)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',domain3) ).

cnf(image_and_substitution5,axiom,
    ( member(X1,image(X2,X3))
    | ~ little_set(X1)
    | ~ ordered_pair_predicate(X4)
    | ~ member(X4,X3)
    | ~ member(first(X4),X2)
    | second(X4) != X1 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',image_and_substitution5) ).

cnf(second_component_is_small,axiom,
    ( little_set(second(X1))
    | ~ ordered_pair_predicate(X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',second_component_is_small) ).

cnf(applying_the_function,hypothesis,
    apply(a_function,a) = b,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',applying_the_function) ).

cnf(non_ordered_pair1,axiom,
    ( X1 = X2
    | X1 = X3
    | ~ member(X1,non_ordered_pair(X2,X3)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',non_ordered_pair1) ).

cnf(regularity1,axiom,
    ( X1 = empty_set
    | member(f24(X1),X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',regularity1) ).

cnf(disjoint1,axiom,
    ( ~ disjoint(X1,X2)
    | ~ member(X3,X1)
    | ~ member(X3,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',disjoint1) ).

cnf(regularity2,axiom,
    ( X1 = empty_set
    | disjoint(f24(X1),X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',regularity2) ).

cnf(image_and_apply2,axiom,
    subset(image(singleton_set(X1),X2),apply(X2,X1)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',image_and_apply2) ).

cnf(subset1,axiom,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',subset1) ).

cnf(non_ordered_pair2,axiom,
    ( member(X1,non_ordered_pair(X2,X3))
    | ~ little_set(X1)
    | X1 != X2 ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',non_ordered_pair2) ).

cnf(function_values_are_small,axiom,
    ( little_set(apply(X1,X2))
    | ~ function(X1) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',function_values_are_small) ).

cnf(empty_set,axiom,
    ~ member(X1,empty_set),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',empty_set) ).

cnf(a2,axiom,
    ( little_set(X1)
    | ~ member(X1,X2) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SET003-0.ax',a2) ).

cnf(c_0_26,axiom,
    ordered_pair(X1,X2) = non_ordered_pair(singleton_set(X1),non_ordered_pair(X1,X2)),
    ordered_pair ).

cnf(c_0_27,axiom,
    singleton_set(X1) = non_ordered_pair(X1,X1),
    singleton_set ).

cnf(c_0_28,axiom,
    ( apply(X3,X1) = X2
    | ~ little_set(X1)
    | ~ little_set(X2)
    | ~ function(X3)
    | ~ member(ordered_pair(X1,X2),X3) ),
    apply_for_functions1 ).

cnf(c_0_29,plain,
    ordered_pair(X1,X2) = non_ordered_pair(non_ordered_pair(X1,X1),non_ordered_pair(X1,X2)),
    inference(rw,[status(thm)],[c_0_26,c_0_27]) ).

cnf(c_0_30,axiom,
    ( X1 = ordered_pair(f2(X1),f3(X1))
    | ~ ordered_pair_predicate(X1) ),
    ordered_pair_predicate3 ).

cnf(c_0_31,plain,
    ( apply(X3,X1) = X2
    | ~ little_set(X2)
    | ~ little_set(X1)
    | ~ function(X3)
    | ~ member(non_ordered_pair(non_ordered_pair(X1,X1),non_ordered_pair(X1,X2)),X3) ),
    inference(rw,[status(thm)],[c_0_28,c_0_29]) ).

cnf(c_0_32,plain,
    ( X1 = non_ordered_pair(non_ordered_pair(f2(X1),f2(X1)),non_ordered_pair(f2(X1),f3(X1)))
    | ~ ordered_pair_predicate(X1) ),
    inference(rw,[status(thm)],[c_0_30,c_0_29]) ).

cnf(c_0_33,axiom,
    ( little_set(f2(X1))
    | ~ ordered_pair_predicate(X1) ),
    ordered_pair_predicate1 ).

cnf(c_0_34,axiom,
    ( little_set(f3(X1))
    | ~ ordered_pair_predicate(X1) ),
    ordered_pair_predicate2 ).

cnf(c_0_35,axiom,
    ( member(f8(X1,X2),X2)
    | ~ member(X1,domain_of(X2)) ),
    domain2 ).

cnf(c_0_36,hypothesis,
    member(a,domain_of(a_function)),
    member_of_function_domain ).

cnf(c_0_37,axiom,
    ( ordered_pair_predicate(f8(X1,X2))
    | ~ member(X1,domain_of(X2)) ),
    domain1 ).

cnf(c_0_38,axiom,
    ( first(ordered_pair(X1,X2)) = X1
    | ~ little_set(X1)
    | ~ little_set(X2) ),
    property_of_first ).

cnf(c_0_39,axiom,
    ( second(ordered_pair(X1,X2)) = X2
    | ~ little_set(X1)
    | ~ little_set(X2) ),
    property_of_second ).

cnf(c_0_40,plain,
    ( apply(X1,f2(X2)) = f3(X2)
    | ~ function(X1)
    | ~ ordered_pair_predicate(X2)
    | ~ member(X2,X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_31,c_0_32]),c_0_33]),c_0_34]) ).

cnf(c_0_41,hypothesis,
    member(f8(a,a_function),a_function),
    inference(spm,[status(thm)],[c_0_35,c_0_36]) ).

cnf(c_0_42,hypothesis,
    function(a_function),
    a_function ).

cnf(c_0_43,hypothesis,
    ordered_pair_predicate(f8(a,a_function)),
    inference(spm,[status(thm)],[c_0_37,c_0_36]) ).

cnf(c_0_44,plain,
    ( first(non_ordered_pair(non_ordered_pair(X1,X1),non_ordered_pair(X1,X2))) = X1
    | ~ little_set(X2)
    | ~ little_set(X1) ),
    inference(rw,[status(thm)],[c_0_38,c_0_29]) ).

cnf(c_0_45,axiom,
    ( X1 = first(f8(X1,X2))
    | ~ member(X1,domain_of(X2)) ),
    domain3 ).

cnf(c_0_46,axiom,
    ( member(X1,image(X2,X3))
    | ~ little_set(X1)
    | ~ ordered_pair_predicate(X4)
    | ~ member(X4,X3)
    | ~ member(first(X4),X2)
    | second(X4) != X1 ),
    image_and_substitution5 ).

cnf(c_0_47,axiom,
    ( little_set(second(X1))
    | ~ ordered_pair_predicate(X1) ),
    second_component_is_small ).

cnf(c_0_48,plain,
    ( second(non_ordered_pair(non_ordered_pair(X1,X1),non_ordered_pair(X1,X2))) = X2
    | ~ little_set(X2)
    | ~ little_set(X1) ),
    inference(rw,[status(thm)],[c_0_39,c_0_29]) ).

cnf(c_0_49,hypothesis,
    apply(a_function,f2(f8(a,a_function))) = f3(f8(a,a_function)),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_40,c_0_41]),c_0_42]),c_0_43])]) ).

cnf(c_0_50,plain,
    ( f2(X1) = first(X1)
    | ~ ordered_pair_predicate(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_44,c_0_32]),c_0_33]),c_0_34]) ).

cnf(c_0_51,hypothesis,
    first(f8(a,a_function)) = a,
    inference(spm,[status(thm)],[c_0_45,c_0_36]) ).

cnf(c_0_52,hypothesis,
    apply(a_function,a) = b,
    applying_the_function ).

cnf(c_0_53,axiom,
    ( X1 = X2
    | X1 = X3
    | ~ member(X1,non_ordered_pair(X2,X3)) ),
    non_ordered_pair1 ).

cnf(c_0_54,axiom,
    ( X1 = empty_set
    | member(f24(X1),X1) ),
    regularity1 ).

cnf(c_0_55,plain,
    ( member(second(X1),image(X2,X3))
    | ~ ordered_pair_predicate(X1)
    | ~ member(first(X1),X2)
    | ~ member(X1,X3) ),
    inference(csr,[status(thm)],[inference(er,[status(thm)],[c_0_46]),c_0_47]) ).

cnf(c_0_56,plain,
    ( f3(X1) = second(X1)
    | ~ ordered_pair_predicate(X1) ),
    inference(csr,[status(thm)],[inference(csr,[status(thm)],[inference(spm,[status(thm)],[c_0_48,c_0_32]),c_0_33]),c_0_34]) ).

cnf(c_0_57,hypothesis,
    f3(f8(a,a_function)) = b,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_49,c_0_50]),c_0_51]),c_0_52]),c_0_43])]) ).

cnf(c_0_58,plain,
    ( f24(non_ordered_pair(X1,X2)) = X1
    | f24(non_ordered_pair(X1,X2)) = X2
    | non_ordered_pair(X1,X2) = empty_set ),
    inference(spm,[status(thm)],[c_0_53,c_0_54]) ).

cnf(c_0_59,axiom,
    ( ~ disjoint(X1,X2)
    | ~ member(X3,X1)
    | ~ member(X3,X2) ),
    disjoint1 ).

cnf(c_0_60,axiom,
    ( X1 = empty_set
    | disjoint(f24(X1),X1) ),
    regularity2 ).

cnf(c_0_61,axiom,
    subset(image(singleton_set(X1),X2),apply(X2,X1)),
    image_and_apply2 ).

cnf(c_0_62,hypothesis,
    ( member(second(f8(a,a_function)),image(X1,a_function))
    | ~ member(a,X1) ),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_55,c_0_41]),c_0_43]),c_0_51])]) ).

cnf(c_0_63,hypothesis,
    second(f8(a,a_function)) = b,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_56,c_0_57]),c_0_43])]) ).

cnf(c_0_64,plain,
    ( f24(non_ordered_pair(X1,X1)) = X1
    | non_ordered_pair(X1,X1) = empty_set ),
    inference(er,[status(thm)],[inference(ef,[status(thm)],[c_0_58])]) ).

cnf(c_0_65,plain,
    ( X1 = empty_set
    | ~ member(X2,f24(X1))
    | ~ member(X2,X1) ),
    inference(spm,[status(thm)],[c_0_59,c_0_60]) ).

cnf(c_0_66,axiom,
    ( member(X3,X2)
    | ~ subset(X1,X2)
    | ~ member(X3,X1) ),
    subset1 ).

cnf(c_0_67,plain,
    subset(image(non_ordered_pair(X1,X1),X2),apply(X2,X1)),
    inference(rw,[status(thm)],[c_0_61,c_0_27]) ).

cnf(c_0_68,hypothesis,
    ( member(b,image(X1,a_function))
    | ~ member(a,X1) ),
    inference(rw,[status(thm)],[c_0_62,c_0_63]) ).

cnf(c_0_69,plain,
    ( non_ordered_pair(X1,X1) = empty_set
    | member(X1,non_ordered_pair(X1,X1)) ),
    inference(spm,[status(thm)],[c_0_54,c_0_64]) ).

cnf(c_0_70,plain,
    ( X1 = empty_set
    | ~ member(f24(X1),f24(X1)) ),
    inference(spm,[status(thm)],[c_0_65,c_0_54]) ).

cnf(c_0_71,plain,
    ( member(X1,apply(X2,X3))
    | ~ member(X1,image(non_ordered_pair(X3,X3),X2)) ),
    inference(spm,[status(thm)],[c_0_66,c_0_67]) ).

cnf(c_0_72,hypothesis,
    ( non_ordered_pair(a,a) = empty_set
    | member(b,image(non_ordered_pair(a,a),a_function)) ),
    inference(spm,[status(thm)],[c_0_68,c_0_69]) ).

cnf(c_0_73,axiom,
    ( member(X1,non_ordered_pair(X2,X3))
    | ~ little_set(X1)
    | X1 != X2 ),
    non_ordered_pair2 ).

cnf(c_0_74,plain,
    ( non_ordered_pair(X1,X1) = empty_set
    | ~ member(X1,X1) ),
    inference(spm,[status(thm)],[c_0_70,c_0_64]) ).

cnf(c_0_75,hypothesis,
    ( non_ordered_pair(a,a) = empty_set
    | member(b,b) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_71,c_0_72]),c_0_52]) ).

cnf(c_0_76,axiom,
    ( little_set(apply(X1,X2))
    | ~ function(X1) ),
    function_values_are_small ).

cnf(c_0_77,plain,
    ( member(X1,non_ordered_pair(X1,X2))
    | ~ little_set(X1) ),
    inference(er,[status(thm)],[c_0_73]) ).

cnf(c_0_78,hypothesis,
    ( non_ordered_pair(a,a) = empty_set
    | non_ordered_pair(b,b) = empty_set ),
    inference(spm,[status(thm)],[c_0_74,c_0_75]) ).

cnf(c_0_79,hypothesis,
    little_set(b),
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_76,c_0_52]),c_0_42])]) ).

cnf(c_0_80,axiom,
    ~ member(X1,empty_set),
    empty_set ).

cnf(c_0_81,axiom,
    ( little_set(X1)
    | ~ member(X1,X2) ),
    a2 ).

cnf(c_0_82,hypothesis,
    non_ordered_pair(a,a) = empty_set,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_77,c_0_78]),c_0_79])]),c_0_80]) ).

cnf(c_0_83,hypothesis,
    little_set(a),
    inference(spm,[status(thm)],[c_0_81,c_0_36]) ).

cnf(c_0_84,hypothesis,
    $false,
    inference(sr,[status(thm)],[inference(cn,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_77,c_0_82]),c_0_83])]),c_0_80]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : SET037-3 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.14/0.35  % Computer : n026.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   : Sat Aug 26 09:02:18 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.22/0.58  start to proof: theBenchmark
% 2.06/2.29  % Version  : CSE_E---1.5
% 2.06/2.29  % Problem  : theBenchmark.p
% 2.06/2.29  % Proof found
% 2.06/2.29  % SZS status Theorem for theBenchmark.p
% 2.06/2.29  % SZS output start Proof
% See solution above
% 2.06/2.29  % Total time : 1.695000 s
% 2.06/2.29  % SZS output end Proof
% 2.06/2.29  % Total time : 1.700000 s
%------------------------------------------------------------------------------