TSTP Solution File: GRP031-1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP031-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n010.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  : 600s
% DateTime : Sat Jul 16 10:32:33 EDT 2022

% Result   : Unsatisfiable 0.48s 0.67s
% Output   : CNFRefutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   76 (  39 unt;   0 nHn;  42 RR)
%            Number of literals    :  133 (  72 equ;  59 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   1 usr;   1 prp; 0-3 aty)
%            Number of functors    :    4 (   4 usr;   2 con; 0-2 aty)
%            Number of variables   :  104 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(total_function1,axiom,
    product(X,Y,multiply(X,Y)) ).

cnf(total_function2,axiom,
    ( ~ product(X,Y,Z)
    | ~ product(X,Y,W)
    | Z = W ) ).

cnf(associativity2,axiom,
    ( ~ product(X,Y,U)
    | ~ product(Y,Z,V)
    | ~ product(X,V,W)
    | product(U,Z,W) ) ).

cnf(left_identity,hypothesis,
    product(identity,A,A) ).

cnf(left_inverse,hypothesis,
    product(inverse(A),A,identity) ).

cnf(prove_a_has_an_inverse,negated_conjecture,
    ~ product(a,A,identity) ).

cnf(refute_0_0,plain,
    ~ product(a,inverse(a),identity),
    inference(subst,[],[prove_a_has_an_inverse:[bind(A,$fot(inverse(a)))]]) ).

cnf(refute_0_1,plain,
    product(inverse(inverse(X_212)),inverse(X_212),identity),
    inference(subst,[],[left_inverse:[bind(A,$fot(inverse(X_212)))]]) ).

cnf(refute_0_2,plain,
    product(X_51,X_52,multiply(X_51,X_52)),
    inference(subst,[],[total_function1:[bind(X,$fot(X_51)),bind(Y,$fot(X_52))]]) ).

cnf(refute_0_3,plain,
    ( ~ product(X_51,X_52,X_53)
    | ~ product(X_51,X_52,multiply(X_51,X_52))
    | X_53 = multiply(X_51,X_52) ),
    inference(subst,[],[total_function2:[bind(W,$fot(multiply(X_51,X_52))),bind(X,$fot(X_51)),bind(Y,$fot(X_52)),bind(Z,$fot(X_53))]]) ).

cnf(refute_0_4,plain,
    ( ~ product(X_51,X_52,X_53)
    | X_53 = multiply(X_51,X_52) ),
    inference(resolve,[$cnf( product(X_51,X_52,multiply(X_51,X_52)) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( ~ product(multiply(X_92,identity),identity,multiply(X_92,identity))
    | multiply(X_92,identity) = multiply(multiply(X_92,identity),identity) ),
    inference(subst,[],[refute_0_4:[bind(X_51,$fot(multiply(X_92,identity))),bind(X_52,$fot(identity)),bind(X_53,$fot(multiply(X_92,identity)))]]) ).

cnf(refute_0_6,plain,
    product(X_91,identity,multiply(X_91,identity)),
    inference(subst,[],[total_function1:[bind(X,$fot(X_91)),bind(Y,$fot(identity))]]) ).

cnf(refute_0_7,plain,
    product(identity,identity,identity),
    inference(subst,[],[left_identity:[bind(A,$fot(identity))]]) ).

cnf(refute_0_8,plain,
    ( ~ product(X_87,identity,X_86)
    | ~ product(identity,identity,identity)
    | product(X_86,identity,X_86) ),
    inference(subst,[],[associativity2:[bind(U,$fot(X_86)),bind(V,$fot(identity)),bind(W,$fot(X_86)),bind(X,$fot(X_87)),bind(Y,$fot(identity)),bind(Z,$fot(identity))]]) ).

cnf(refute_0_9,plain,
    ( ~ product(X_87,identity,X_86)
    | product(X_86,identity,X_86) ),
    inference(resolve,[$cnf( product(identity,identity,identity) )],[refute_0_7,refute_0_8]) ).

cnf(refute_0_10,plain,
    ( ~ product(X_91,identity,multiply(X_91,identity))
    | product(multiply(X_91,identity),identity,multiply(X_91,identity)) ),
    inference(subst,[],[refute_0_9:[bind(X_86,$fot(multiply(X_91,identity))),bind(X_87,$fot(X_91))]]) ).

cnf(refute_0_11,plain,
    product(multiply(X_91,identity),identity,multiply(X_91,identity)),
    inference(resolve,[$cnf( product(X_91,identity,multiply(X_91,identity)) )],[refute_0_6,refute_0_10]) ).

cnf(refute_0_12,plain,
    product(multiply(X_92,identity),identity,multiply(X_92,identity)),
    inference(subst,[],[refute_0_11:[bind(X_91,$fot(X_92))]]) ).

cnf(refute_0_13,plain,
    multiply(X_92,identity) = multiply(multiply(X_92,identity),identity),
    inference(resolve,[$cnf( product(multiply(X_92,identity),identity,multiply(X_92,identity)) )],[refute_0_12,refute_0_5]) ).

cnf(refute_0_14,plain,
    multiply(inverse(inverse(X_210)),identity) = multiply(multiply(inverse(inverse(X_210)),identity),identity),
    inference(subst,[],[refute_0_13:[bind(X_92,$fot(inverse(inverse(X_210))))]]) ).

cnf(refute_0_15,plain,
    ( ~ product(identity,X_209,multiply(inverse(inverse(X_209)),identity))
    | multiply(inverse(inverse(X_209)),identity) = multiply(identity,X_209) ),
    inference(subst,[],[refute_0_4:[bind(X_51,$fot(identity)),bind(X_52,$fot(X_209)),bind(X_53,$fot(multiply(inverse(inverse(X_209)),identity)))]]) ).

cnf(refute_0_16,plain,
    product(inverse(inverse(X_208)),identity,multiply(inverse(inverse(X_208)),identity)),
    inference(subst,[],[total_function1:[bind(X,$fot(inverse(inverse(X_208)))),bind(Y,$fot(identity))]]) ).

cnf(refute_0_17,plain,
    product(inverse(X_206),X_206,identity),
    inference(subst,[],[left_inverse:[bind(A,$fot(X_206))]]) ).

cnf(refute_0_18,plain,
    product(inverse(X_191),X_191,identity),
    inference(subst,[],[left_inverse:[bind(A,$fot(X_191))]]) ).

cnf(refute_0_19,plain,
    ( ~ product(X_191,X_192,X_188)
    | ~ product(inverse(X_191),X_188,X_189)
    | ~ product(inverse(X_191),X_191,identity)
    | product(identity,X_192,X_189) ),
    inference(subst,[],[associativity2:[bind(U,$fot(identity)),bind(V,$fot(X_188)),bind(W,$fot(X_189)),bind(X,$fot(inverse(X_191))),bind(Y,$fot(X_191)),bind(Z,$fot(X_192))]]) ).

cnf(refute_0_20,plain,
    ( ~ product(X_191,X_192,X_188)
    | ~ product(inverse(X_191),X_188,X_189)
    | product(identity,X_192,X_189) ),
    inference(resolve,[$cnf( product(inverse(X_191),X_191,identity) )],[refute_0_18,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ product(inverse(X_206),X_206,identity)
    | ~ product(inverse(inverse(X_206)),identity,X_204)
    | product(identity,X_206,X_204) ),
    inference(subst,[],[refute_0_20:[bind(X_188,$fot(identity)),bind(X_189,$fot(X_204)),bind(X_191,$fot(inverse(X_206))),bind(X_192,$fot(X_206))]]) ).

cnf(refute_0_22,plain,
    ( ~ product(inverse(inverse(X_206)),identity,X_204)
    | product(identity,X_206,X_204) ),
    inference(resolve,[$cnf( product(inverse(X_206),X_206,identity) )],[refute_0_17,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( ~ product(inverse(inverse(X_208)),identity,multiply(inverse(inverse(X_208)),identity))
    | product(identity,X_208,multiply(inverse(inverse(X_208)),identity)) ),
    inference(subst,[],[refute_0_22:[bind(X_204,$fot(multiply(inverse(inverse(X_208)),identity))),bind(X_206,$fot(X_208))]]) ).

cnf(refute_0_24,plain,
    product(identity,X_208,multiply(inverse(inverse(X_208)),identity)),
    inference(resolve,[$cnf( product(inverse(inverse(X_208)),identity,multiply(inverse(inverse(X_208)),identity)) )],[refute_0_16,refute_0_23]) ).

cnf(refute_0_25,plain,
    product(identity,X_209,multiply(inverse(inverse(X_209)),identity)),
    inference(subst,[],[refute_0_24:[bind(X_208,$fot(X_209))]]) ).

cnf(refute_0_26,plain,
    multiply(inverse(inverse(X_209)),identity) = multiply(identity,X_209),
    inference(resolve,[$cnf( product(identity,X_209,multiply(inverse(inverse(X_209)),identity)) )],[refute_0_25,refute_0_15]) ).

cnf(refute_0_27,plain,
    product(identity,X_54,multiply(identity,X_54)),
    inference(subst,[],[total_function1:[bind(X,$fot(identity)),bind(Y,$fot(X_54))]]) ).

cnf(refute_0_28,plain,
    product(identity,X_50,X_50),
    inference(subst,[],[left_identity:[bind(A,$fot(X_50))]]) ).

cnf(refute_0_29,plain,
    ( ~ product(identity,X_50,X_50)
    | ~ product(identity,X_50,X_53)
    | X_53 = X_50 ),
    inference(subst,[],[total_function2:[bind(W,$fot(X_50)),bind(X,$fot(identity)),bind(Y,$fot(X_50)),bind(Z,$fot(X_53))]]) ).

cnf(refute_0_30,plain,
    ( ~ product(identity,X_50,X_53)
    | X_53 = X_50 ),
    inference(resolve,[$cnf( product(identity,X_50,X_50) )],[refute_0_28,refute_0_29]) ).

cnf(refute_0_31,plain,
    ( ~ product(identity,X_54,multiply(identity,X_54))
    | multiply(identity,X_54) = X_54 ),
    inference(subst,[],[refute_0_30:[bind(X_50,$fot(X_54)),bind(X_53,$fot(multiply(identity,X_54)))]]) ).

cnf(refute_0_32,plain,
    multiply(identity,X_54) = X_54,
    inference(resolve,[$cnf( product(identity,X_54,multiply(identity,X_54)) )],[refute_0_27,refute_0_31]) ).

cnf(refute_0_33,plain,
    multiply(identity,X_209) = X_209,
    inference(subst,[],[refute_0_32:[bind(X_54,$fot(X_209))]]) ).

cnf(refute_0_34,plain,
    ( multiply(identity,X_209) != X_209
    | multiply(inverse(inverse(X_209)),identity) != multiply(identity,X_209)
    | multiply(inverse(inverse(X_209)),identity) = X_209 ),
    introduced(tautology,[equality,[$cnf( $equal(multiply(inverse(inverse(X_209)),identity),multiply(identity,X_209)) ),[1],$fot(X_209)]]) ).

cnf(refute_0_35,plain,
    ( multiply(inverse(inverse(X_209)),identity) != multiply(identity,X_209)
    | multiply(inverse(inverse(X_209)),identity) = X_209 ),
    inference(resolve,[$cnf( $equal(multiply(identity,X_209),X_209) )],[refute_0_33,refute_0_34]) ).

cnf(refute_0_36,plain,
    multiply(inverse(inverse(X_209)),identity) = X_209,
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_209)),identity),multiply(identity,X_209)) )],[refute_0_26,refute_0_35]) ).

cnf(refute_0_37,plain,
    multiply(inverse(inverse(X_210)),identity) = X_210,
    inference(subst,[],[refute_0_36:[bind(X_209,$fot(X_210))]]) ).

cnf(refute_0_38,plain,
    ( multiply(inverse(inverse(X_210)),identity) != X_210
    | multiply(inverse(inverse(X_210)),identity) != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | X_210 = multiply(multiply(inverse(inverse(X_210)),identity),identity) ),
    introduced(tautology,[equality,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(multiply(inverse(inverse(X_210)),identity),identity)) ),[0],$fot(X_210)]]) ).

cnf(refute_0_39,plain,
    ( multiply(inverse(inverse(X_210)),identity) != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | X_210 = multiply(multiply(inverse(inverse(X_210)),identity),identity) ),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),X_210) )],[refute_0_37,refute_0_38]) ).

cnf(refute_0_40,plain,
    X_210 = multiply(multiply(inverse(inverse(X_210)),identity),identity),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(multiply(inverse(inverse(X_210)),identity),identity)) )],[refute_0_14,refute_0_39]) ).

cnf(refute_0_41,plain,
    ( multiply(inverse(inverse(X_210)),identity) != X_210
    | multiply(inverse(inverse(X_210)),identity) != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | multiply(inverse(inverse(X_210)),identity) = multiply(X_210,identity) ),
    introduced(tautology,[equality,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(multiply(inverse(inverse(X_210)),identity),identity)) ),[1,0],$fot(X_210)]]) ).

cnf(refute_0_42,plain,
    ( multiply(inverse(inverse(X_210)),identity) != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | multiply(inverse(inverse(X_210)),identity) = multiply(X_210,identity) ),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),X_210) )],[refute_0_37,refute_0_41]) ).

cnf(refute_0_43,plain,
    multiply(inverse(inverse(X_210)),identity) = multiply(X_210,identity),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(multiply(inverse(inverse(X_210)),identity),identity)) )],[refute_0_14,refute_0_42]) ).

cnf(refute_0_44,plain,
    ( multiply(inverse(inverse(X_210)),identity) != X_210
    | multiply(inverse(inverse(X_210)),identity) != multiply(X_210,identity)
    | X_210 = multiply(X_210,identity) ),
    introduced(tautology,[equality,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(X_210,identity)) ),[0],$fot(X_210)]]) ).

cnf(refute_0_45,plain,
    ( multiply(inverse(inverse(X_210)),identity) != multiply(X_210,identity)
    | X_210 = multiply(X_210,identity) ),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),X_210) )],[refute_0_37,refute_0_44]) ).

cnf(refute_0_46,plain,
    X_210 = multiply(X_210,identity),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),multiply(X_210,identity)) )],[refute_0_43,refute_0_45]) ).

cnf(refute_0_47,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_48,plain,
    ( X0 != X0
    | X0 != Y0
    | Y0 = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y0)]]) ).

cnf(refute_0_49,plain,
    ( X0 != Y0
    | Y0 = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_47,refute_0_48]) ).

cnf(refute_0_50,plain,
    ( X_210 != multiply(X_210,identity)
    | multiply(X_210,identity) = X_210 ),
    inference(subst,[],[refute_0_49:[bind(X0,$fot(X_210)),bind(Y0,$fot(multiply(X_210,identity)))]]) ).

cnf(refute_0_51,plain,
    multiply(X_210,identity) = X_210,
    inference(resolve,[$cnf( $equal(X_210,multiply(X_210,identity)) )],[refute_0_46,refute_0_50]) ).

cnf(refute_0_52,plain,
    multiply(inverse(inverse(X_210)),identity) = inverse(inverse(X_210)),
    inference(subst,[],[refute_0_51:[bind(X_210,$fot(inverse(inverse(X_210))))]]) ).

cnf(refute_0_53,plain,
    multiply(multiply(inverse(inverse(X_210)),identity),identity) = multiply(inverse(inverse(X_210)),identity),
    inference(subst,[],[refute_0_51:[bind(X_210,$fot(multiply(inverse(inverse(X_210)),identity)))]]) ).

cnf(refute_0_54,plain,
    ( Y0 != X0
    | Y0 != Z0
    | X0 = Z0 ),
    introduced(tautology,[equality,[$cnf( $equal(Y0,Z0) ),[0],$fot(X0)]]) ).

cnf(refute_0_55,plain,
    ( X0 != Y0
    | Y0 != Z0
    | X0 = Z0 ),
    inference(resolve,[$cnf( $equal(Y0,X0) )],[refute_0_49,refute_0_54]) ).

cnf(refute_0_56,plain,
    ( multiply(multiply(inverse(inverse(X_210)),identity),identity) != multiply(inverse(inverse(X_210)),identity)
    | multiply(inverse(inverse(X_210)),identity) != inverse(inverse(X_210))
    | multiply(multiply(inverse(inverse(X_210)),identity),identity) = inverse(inverse(X_210)) ),
    inference(subst,[],[refute_0_55:[bind(X0,$fot(multiply(multiply(inverse(inverse(X_210)),identity),identity))),bind(Y0,$fot(multiply(inverse(inverse(X_210)),identity))),bind(Z0,$fot(inverse(inverse(X_210))))]]) ).

cnf(refute_0_57,plain,
    ( multiply(inverse(inverse(X_210)),identity) != inverse(inverse(X_210))
    | multiply(multiply(inverse(inverse(X_210)),identity),identity) = inverse(inverse(X_210)) ),
    inference(resolve,[$cnf( $equal(multiply(multiply(inverse(inverse(X_210)),identity),identity),multiply(inverse(inverse(X_210)),identity)) )],[refute_0_53,refute_0_56]) ).

cnf(refute_0_58,plain,
    multiply(multiply(inverse(inverse(X_210)),identity),identity) = inverse(inverse(X_210)),
    inference(resolve,[$cnf( $equal(multiply(inverse(inverse(X_210)),identity),inverse(inverse(X_210))) )],[refute_0_52,refute_0_57]) ).

cnf(refute_0_59,plain,
    ( X_210 != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | multiply(multiply(inverse(inverse(X_210)),identity),identity) != inverse(inverse(X_210))
    | X_210 = inverse(inverse(X_210)) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(X_210,inverse(inverse(X_210))) ),[0],$fot(multiply(multiply(inverse(inverse(X_210)),identity),identity))]]) ).

cnf(refute_0_60,plain,
    ( X_210 != multiply(multiply(inverse(inverse(X_210)),identity),identity)
    | X_210 = inverse(inverse(X_210)) ),
    inference(resolve,[$cnf( $equal(multiply(multiply(inverse(inverse(X_210)),identity),identity),inverse(inverse(X_210))) )],[refute_0_58,refute_0_59]) ).

cnf(refute_0_61,plain,
    X_210 = inverse(inverse(X_210)),
    inference(resolve,[$cnf( $equal(X_210,multiply(multiply(inverse(inverse(X_210)),identity),identity)) )],[refute_0_40,refute_0_60]) ).

cnf(refute_0_62,plain,
    X_212 = inverse(inverse(X_212)),
    inference(subst,[],[refute_0_61:[bind(X_210,$fot(X_212))]]) ).

cnf(refute_0_63,plain,
    ( X_212 != inverse(inverse(X_212))
    | inverse(inverse(X_212)) = X_212 ),
    inference(subst,[],[refute_0_49:[bind(X0,$fot(X_212)),bind(Y0,$fot(inverse(inverse(X_212))))]]) ).

cnf(refute_0_64,plain,
    inverse(inverse(X_212)) = X_212,
    inference(resolve,[$cnf( $equal(X_212,inverse(inverse(X_212))) )],[refute_0_62,refute_0_63]) ).

cnf(refute_0_65,plain,
    ( inverse(inverse(X_212)) != X_212
    | ~ product(inverse(inverse(X_212)),inverse(X_212),identity)
    | product(X_212,inverse(X_212),identity) ),
    introduced(tautology,[equality,[$cnf( product(inverse(inverse(X_212)),inverse(X_212),identity) ),[0],$fot(X_212)]]) ).

cnf(refute_0_66,plain,
    ( ~ product(inverse(inverse(X_212)),inverse(X_212),identity)
    | product(X_212,inverse(X_212),identity) ),
    inference(resolve,[$cnf( $equal(inverse(inverse(X_212)),X_212) )],[refute_0_64,refute_0_65]) ).

cnf(refute_0_67,plain,
    product(X_212,inverse(X_212),identity),
    inference(resolve,[$cnf( product(inverse(inverse(X_212)),inverse(X_212),identity) )],[refute_0_1,refute_0_66]) ).

cnf(refute_0_68,plain,
    product(a,inverse(a),identity),
    inference(subst,[],[refute_0_67:[bind(X_212,$fot(a))]]) ).

cnf(refute_0_69,plain,
    $false,
    inference(resolve,[$cnf( product(a,inverse(a),identity) )],[refute_0_68,refute_0_0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : GRP031-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.14  % Command  : metis --show proof --show saturation %s
% 0.13/0.35  % Computer : n010.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Tue Jun 14 05:16:39 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.48/0.67  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.48/0.67  
% 0.48/0.67  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.48/0.67  
%------------------------------------------------------------------------------