TSTP Solution File: GRP184-4 by CSE_E---1.5

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : GRP184-4 : TPTP v8.1.2. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n027.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 00:17:36 EDT 2023

% Result   : Unsatisfiable 2.30s 2.39s
% Output   : CNFRefutation 2.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   24
% Syntax   : Number of formulae    :   94 (  88 unt;   6 typ;   0 def)
%            Number of atoms       :   88 (  87 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    4 (   4   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    2 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   2 con; 0-2 aty)
%            Number of variables   :  155 (  11 sgn;   0   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
tff(decl_22,type,
    identity: $i ).

tff(decl_23,type,
    multiply: ( $i * $i ) > $i ).

tff(decl_24,type,
    inverse: $i > $i ).

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

tff(decl_26,type,
    least_upper_bound: ( $i * $i ) > $i ).

tff(decl_27,type,
    a: $i ).

cnf(p21x_3,hypothesis,
    inverse(multiply(X1,X2)) = multiply(inverse(X2),inverse(X1)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21x_3) ).

cnf(p21x_1,hypothesis,
    inverse(identity) = identity,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21x_1) ).

cnf(left_identity,axiom,
    multiply(identity,X1) = X1,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_identity) ).

cnf(p21x_2,hypothesis,
    inverse(inverse(X1)) = X1,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21x_2) ).

cnf(monotony_lub1,axiom,
    multiply(X1,least_upper_bound(X2,X3)) = least_upper_bound(multiply(X1,X2),multiply(X1,X3)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_lub1) ).

cnf(symmetry_of_lub,axiom,
    least_upper_bound(X1,X2) = least_upper_bound(X2,X1),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',symmetry_of_lub) ).

cnf(left_inverse,axiom,
    multiply(inverse(X1),X1) = identity,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

cnf(p21x_4,hypothesis,
    inverse(greatest_lower_bound(X1,X2)) = least_upper_bound(inverse(X1),inverse(X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21x_4) ).

cnf(monotony_glb2,axiom,
    multiply(greatest_lower_bound(X1,X2),X3) = greatest_lower_bound(multiply(X1,X3),multiply(X2,X3)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_glb2) ).

cnf(symmetry_of_glb,axiom,
    greatest_lower_bound(X1,X2) = greatest_lower_bound(X2,X1),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',symmetry_of_glb) ).

cnf(lub_absorbtion,axiom,
    least_upper_bound(X1,greatest_lower_bound(X1,X2)) = X1,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',lub_absorbtion) ).

cnf(glb_absorbtion,axiom,
    greatest_lower_bound(X1,least_upper_bound(X1,X2)) = X1,
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',glb_absorbtion) ).

cnf(associativity_of_glb,axiom,
    greatest_lower_bound(X1,greatest_lower_bound(X2,X3)) = greatest_lower_bound(greatest_lower_bound(X1,X2),X3),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',associativity_of_glb) ).

cnf(p21x_5,hypothesis,
    inverse(least_upper_bound(X1,X2)) = greatest_lower_bound(inverse(X1),inverse(X2)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p21x_5) ).

cnf(associativity_of_lub,axiom,
    least_upper_bound(X1,least_upper_bound(X2,X3)) = least_upper_bound(least_upper_bound(X1,X2),X3),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',associativity_of_lub) ).

cnf(monotony_glb1,axiom,
    multiply(X1,greatest_lower_bound(X2,X3)) = greatest_lower_bound(multiply(X1,X2),multiply(X1,X3)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_glb1) ).

cnf(associativity,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',associativity) ).

cnf(prove_p21x,negated_conjecture,
    multiply(least_upper_bound(a,identity),inverse(greatest_lower_bound(a,identity))) != multiply(inverse(greatest_lower_bound(a,identity)),least_upper_bound(a,identity)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_p21x) ).

cnf(c_0_18,hypothesis,
    inverse(multiply(X1,X2)) = multiply(inverse(X2),inverse(X1)),
    p21x_3 ).

cnf(c_0_19,hypothesis,
    inverse(identity) = identity,
    p21x_1 ).

cnf(c_0_20,axiom,
    multiply(identity,X1) = X1,
    left_identity ).

cnf(c_0_21,hypothesis,
    multiply(inverse(X1),identity) = inverse(X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_18,c_0_19]),c_0_20]) ).

cnf(c_0_22,hypothesis,
    inverse(inverse(X1)) = X1,
    p21x_2 ).

cnf(c_0_23,axiom,
    multiply(X1,least_upper_bound(X2,X3)) = least_upper_bound(multiply(X1,X2),multiply(X1,X3)),
    monotony_lub1 ).

cnf(c_0_24,hypothesis,
    multiply(X1,identity) = X1,
    inference(spm,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_25,axiom,
    least_upper_bound(X1,X2) = least_upper_bound(X2,X1),
    symmetry_of_lub ).

cnf(c_0_26,axiom,
    multiply(inverse(X1),X1) = identity,
    left_inverse ).

cnf(c_0_27,hypothesis,
    inverse(greatest_lower_bound(X1,X2)) = least_upper_bound(inverse(X1),inverse(X2)),
    p21x_4 ).

cnf(c_0_28,axiom,
    multiply(greatest_lower_bound(X1,X2),X3) = greatest_lower_bound(multiply(X1,X3),multiply(X2,X3)),
    monotony_glb2 ).

cnf(c_0_29,axiom,
    greatest_lower_bound(X1,X2) = greatest_lower_bound(X2,X1),
    symmetry_of_glb ).

cnf(c_0_30,hypothesis,
    least_upper_bound(X1,multiply(X1,X2)) = multiply(X1,least_upper_bound(X2,identity)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_24]),c_0_25]) ).

cnf(c_0_31,hypothesis,
    multiply(X1,inverse(X1)) = identity,
    inference(spm,[status(thm)],[c_0_26,c_0_22]) ).

cnf(c_0_32,hypothesis,
    least_upper_bound(identity,inverse(X1)) = inverse(greatest_lower_bound(X1,identity)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_27,c_0_19]),c_0_25]) ).

cnf(c_0_33,axiom,
    least_upper_bound(X1,greatest_lower_bound(X1,X2)) = X1,
    lub_absorbtion ).

cnf(c_0_34,axiom,
    greatest_lower_bound(X1,least_upper_bound(X1,X2)) = X1,
    glb_absorbtion ).

cnf(c_0_35,axiom,
    greatest_lower_bound(X1,greatest_lower_bound(X2,X3)) = greatest_lower_bound(greatest_lower_bound(X1,X2),X3),
    associativity_of_glb ).

cnf(c_0_36,plain,
    greatest_lower_bound(X1,multiply(X2,X1)) = multiply(greatest_lower_bound(X2,identity),X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_28,c_0_20]),c_0_29]) ).

cnf(c_0_37,hypothesis,
    multiply(X1,inverse(greatest_lower_bound(X1,identity))) = least_upper_bound(X1,identity),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_30,c_0_31]),c_0_25]),c_0_32]) ).

cnf(c_0_38,plain,
    least_upper_bound(X1,greatest_lower_bound(X2,X1)) = X1,
    inference(spm,[status(thm)],[c_0_33,c_0_29]) ).

cnf(c_0_39,plain,
    greatest_lower_bound(X1,least_upper_bound(X2,X1)) = X1,
    inference(spm,[status(thm)],[c_0_34,c_0_25]) ).

cnf(c_0_40,plain,
    greatest_lower_bound(X1,greatest_lower_bound(least_upper_bound(X1,X2),X3)) = greatest_lower_bound(X1,X3),
    inference(spm,[status(thm)],[c_0_35,c_0_34]) ).

cnf(c_0_41,hypothesis,
    greatest_lower_bound(least_upper_bound(X1,identity),inverse(greatest_lower_bound(X1,identity))) = identity,
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_36,c_0_37]),c_0_31]),c_0_29]) ).

cnf(c_0_42,hypothesis,
    inverse(least_upper_bound(X1,X2)) = greatest_lower_bound(inverse(X1),inverse(X2)),
    p21x_5 ).

cnf(c_0_43,axiom,
    least_upper_bound(X1,least_upper_bound(X2,X3)) = least_upper_bound(least_upper_bound(X1,X2),X3),
    associativity_of_lub ).

cnf(c_0_44,plain,
    least_upper_bound(X1,least_upper_bound(X2,X1)) = least_upper_bound(X2,X1),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_38,c_0_39]),c_0_25]) ).

cnf(c_0_45,plain,
    least_upper_bound(X1,greatest_lower_bound(X2,greatest_lower_bound(X3,X1))) = X1,
    inference(spm,[status(thm)],[c_0_38,c_0_35]) ).

cnf(c_0_46,hypothesis,
    inverse(greatest_lower_bound(inverse(X1),X2)) = least_upper_bound(X1,inverse(X2)),
    inference(spm,[status(thm)],[c_0_27,c_0_22]) ).

cnf(c_0_47,hypothesis,
    greatest_lower_bound(X1,inverse(greatest_lower_bound(X1,identity))) = greatest_lower_bound(X1,identity),
    inference(spm,[status(thm)],[c_0_40,c_0_41]) ).

cnf(c_0_48,hypothesis,
    inverse(greatest_lower_bound(X1,inverse(X2))) = least_upper_bound(inverse(X1),X2),
    inference(spm,[status(thm)],[c_0_27,c_0_22]) ).

cnf(c_0_49,hypothesis,
    inverse(least_upper_bound(identity,X1)) = greatest_lower_bound(identity,inverse(X1)),
    inference(spm,[status(thm)],[c_0_42,c_0_19]) ).

cnf(c_0_50,plain,
    least_upper_bound(X1,least_upper_bound(greatest_lower_bound(X2,X1),X3)) = least_upper_bound(X1,X3),
    inference(spm,[status(thm)],[c_0_43,c_0_38]) ).

cnf(c_0_51,plain,
    least_upper_bound(X1,least_upper_bound(X2,least_upper_bound(X1,X3))) = least_upper_bound(X2,least_upper_bound(X1,X3)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_43,c_0_44]),c_0_43]),c_0_43]) ).

cnf(c_0_52,axiom,
    multiply(X1,greatest_lower_bound(X2,X3)) = greatest_lower_bound(multiply(X1,X2),multiply(X1,X3)),
    monotony_glb1 ).

cnf(c_0_53,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    associativity ).

cnf(c_0_54,plain,
    least_upper_bound(X1,least_upper_bound(X2,greatest_lower_bound(X3,X1))) = least_upper_bound(X1,X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_45,c_0_34]),c_0_43]) ).

cnf(c_0_55,hypothesis,
    least_upper_bound(X1,greatest_lower_bound(identity,inverse(X1))) = least_upper_bound(identity,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_46,c_0_47]),c_0_29]),c_0_48]),c_0_19]),c_0_29]),c_0_48]),c_0_19]),c_0_49]) ).

cnf(c_0_56,plain,
    least_upper_bound(X1,least_upper_bound(X2,X3)) = least_upper_bound(X2,least_upper_bound(X1,X3)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_50,c_0_34]),c_0_43]),c_0_43]),c_0_51]) ).

cnf(c_0_57,hypothesis,
    least_upper_bound(identity,least_upper_bound(X1,inverse(X2))) = least_upper_bound(X1,inverse(greatest_lower_bound(X2,identity))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_46]),c_0_35]),c_0_46]) ).

cnf(c_0_58,hypothesis,
    greatest_lower_bound(X1,multiply(X1,X2)) = multiply(X1,greatest_lower_bound(X2,identity)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_24]),c_0_29]) ).

cnf(c_0_59,plain,
    multiply(inverse(X1),multiply(X1,X2)) = X2,
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_53,c_0_26]),c_0_20]) ).

cnf(c_0_60,hypothesis,
    inverse(least_upper_bound(inverse(X1),X2)) = greatest_lower_bound(X1,inverse(X2)),
    inference(spm,[status(thm)],[c_0_42,c_0_22]) ).

cnf(c_0_61,hypothesis,
    least_upper_bound(X1,inverse(greatest_lower_bound(X1,identity))) = least_upper_bound(X1,inverse(X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_54,c_0_55]),c_0_56]),c_0_25]),c_0_57]),c_0_25]) ).

cnf(c_0_62,hypothesis,
    inverse(least_upper_bound(X1,inverse(X2))) = greatest_lower_bound(inverse(X1),X2),
    inference(spm,[status(thm)],[c_0_42,c_0_22]) ).

cnf(c_0_63,hypothesis,
    inverse(multiply(X1,inverse(X2))) = multiply(X2,inverse(X1)),
    inference(spm,[status(thm)],[c_0_18,c_0_22]) ).

cnf(c_0_64,hypothesis,
    multiply(greatest_lower_bound(X1,identity),X1) = multiply(X1,greatest_lower_bound(X1,identity)),
    inference(spm,[status(thm)],[c_0_58,c_0_36]) ).

cnf(c_0_65,hypothesis,
    inverse(multiply(inverse(X1),X2)) = multiply(inverse(X2),X1),
    inference(spm,[status(thm)],[c_0_18,c_0_22]) ).

cnf(c_0_66,hypothesis,
    multiply(X1,greatest_lower_bound(inverse(X1),X2)) = greatest_lower_bound(identity,multiply(X1,X2)),
    inference(spm,[status(thm)],[c_0_52,c_0_31]) ).

cnf(c_0_67,hypothesis,
    multiply(X1,greatest_lower_bound(X2,inverse(X1))) = greatest_lower_bound(identity,multiply(X1,X2)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_31]),c_0_29]) ).

cnf(c_0_68,hypothesis,
    multiply(X1,inverse(multiply(X2,X1))) = inverse(X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_59,c_0_18]),c_0_22]) ).

cnf(c_0_69,plain,
    greatest_lower_bound(identity,multiply(inverse(X1),X2)) = multiply(inverse(X1),greatest_lower_bound(X2,X1)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_52,c_0_26]),c_0_29]) ).

cnf(c_0_70,hypothesis,
    greatest_lower_bound(X1,greatest_lower_bound(identity,inverse(X1))) = greatest_lower_bound(X1,inverse(X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_60,c_0_61]),c_0_22]),c_0_25]),c_0_62]),c_0_29]),c_0_48]),c_0_19]),c_0_49]),c_0_29]) ).

cnf(c_0_71,hypothesis,
    multiply(least_upper_bound(identity,X1),X1) = multiply(X1,least_upper_bound(identity,X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_63,c_0_64]),c_0_29]),c_0_65]),c_0_48]),c_0_19]),c_0_29]),c_0_48]),c_0_19]) ).

cnf(c_0_72,hypothesis,
    greatest_lower_bound(identity,multiply(X1,least_upper_bound(identity,X1))) = greatest_lower_bound(identity,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_66,c_0_47]),c_0_29]),c_0_67]),c_0_24]),c_0_29]),c_0_48]),c_0_19]) ).

cnf(c_0_73,hypothesis,
    inverse(greatest_lower_bound(identity,multiply(inverse(X1),X2))) = least_upper_bound(identity,multiply(inverse(X2),X1)),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_32,c_0_65]),c_0_29]) ).

cnf(c_0_74,negated_conjecture,
    multiply(least_upper_bound(a,identity),inverse(greatest_lower_bound(a,identity))) != multiply(inverse(greatest_lower_bound(a,identity)),least_upper_bound(a,identity)),
    prove_p21x ).

cnf(c_0_75,hypothesis,
    multiply(inverse(multiply(X1,X2)),X1) = inverse(X2),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_68,c_0_68]),c_0_22]) ).

cnf(c_0_76,hypothesis,
    multiply(least_upper_bound(identity,X1),greatest_lower_bound(X1,inverse(X1))) = greatest_lower_bound(identity,X1),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_69,c_0_70]),c_0_48]),c_0_19]),c_0_71]),c_0_72]),c_0_48]),c_0_19]) ).

cnf(c_0_77,plain,
    multiply(inverse(X1),least_upper_bound(X2,multiply(X1,X3))) = least_upper_bound(multiply(inverse(X1),X2),X3),
    inference(spm,[status(thm)],[c_0_23,c_0_59]) ).

cnf(c_0_78,hypothesis,
    least_upper_bound(identity,multiply(inverse(X1),X2)) = multiply(inverse(greatest_lower_bound(X1,X2)),X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_65,c_0_67]),c_0_22]),c_0_73]) ).

cnf(c_0_79,hypothesis,
    greatest_lower_bound(least_upper_bound(X1,identity),inverse(greatest_lower_bound(identity,X1))) = identity,
    inference(spm,[status(thm)],[c_0_41,c_0_29]) ).

cnf(c_0_80,negated_conjecture,
    multiply(inverse(greatest_lower_bound(identity,a)),least_upper_bound(identity,a)) != multiply(least_upper_bound(identity,a),inverse(greatest_lower_bound(identity,a))),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[c_0_74,c_0_29]),c_0_25]),c_0_25]),c_0_29]) ).

cnf(c_0_81,hypothesis,
    multiply(inverse(greatest_lower_bound(identity,X1)),least_upper_bound(identity,X1)) = least_upper_bound(X1,inverse(X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_75,c_0_76]),c_0_48]),c_0_25]) ).

cnf(c_0_82,hypothesis,
    multiply(X1,multiply(inverse(greatest_lower_bound(X1,X2)),X2)) = least_upper_bound(X1,X2),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_77,c_0_78]),c_0_22]),c_0_22]),c_0_24]) ).

cnf(c_0_83,hypothesis,
    greatest_lower_bound(least_upper_bound(identity,X1),inverse(greatest_lower_bound(identity,X1))) = identity,
    inference(spm,[status(thm)],[c_0_79,c_0_25]) ).

cnf(c_0_84,hypothesis,
    least_upper_bound(X1,inverse(greatest_lower_bound(identity,X1))) = least_upper_bound(X1,inverse(X1)),
    inference(spm,[status(thm)],[c_0_61,c_0_29]) ).

cnf(c_0_85,negated_conjecture,
    multiply(least_upper_bound(identity,a),inverse(greatest_lower_bound(identity,a))) != least_upper_bound(a,inverse(a)),
    inference(rw,[status(thm)],[c_0_80,c_0_81]) ).

cnf(c_0_86,hypothesis,
    multiply(least_upper_bound(identity,X1),inverse(greatest_lower_bound(identity,X1))) = least_upper_bound(X1,inverse(X1)),
    inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_82,c_0_83]),c_0_19]),c_0_20]),c_0_43]),c_0_84]),c_0_57]),c_0_61]) ).

cnf(c_0_87,negated_conjecture,
    $false,
    inference(cn,[status(thm)],[inference(rw,[status(thm)],[c_0_85,c_0_86])]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : GRP184-4 : TPTP v8.1.2. Bugfixed v1.2.1.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.14/0.35  % Computer : n027.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   : Mon Aug 28 21:22:07 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.20/0.57  start to proof: theBenchmark
% 2.30/2.39  % Version  : CSE_E---1.5
% 2.30/2.39  % Problem  : theBenchmark.p
% 2.30/2.39  % Proof found
% 2.30/2.39  % SZS status Theorem for theBenchmark.p
% 2.30/2.39  % SZS output start Proof
% See solution above
% 2.30/2.40  % Total time : 1.792000 s
% 2.30/2.40  % SZS output end Proof
% 2.30/2.40  % Total time : 1.796000 s
%------------------------------------------------------------------------------