TSTP Solution File: GRP402-1 by CSE_E---1.5

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%------------------------------------------------------------------------------
% File     : CSE_E---1.5
% Problem  : GRP402-1 : TPTP v8.1.2. Released v2.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/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 00:18:50 EDT 2023

% Result   : Unsatisfiable 0.20s 0.64s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   33 (  19 unt;   5 typ;   0 def)
%            Number of atoms       :   37 (  36 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   21 (  12   ~;   9   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    3 (   2 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    4 (   2   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   68 (   7 sgn;   0   !;   0   ?;   0   :)

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

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

tff(decl_24,type,
    a: $i ).

tff(decl_25,type,
    b: $i ).

tff(decl_26,type,
    c: $i ).

cnf(left_cancellation,axiom,
    ( X2 = X3
    | multiply(X1,X2) != multiply(X1,X3) ),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP008-1.ax',left_cancellation) ).

cnf(commutator,axiom,
    multiply(X1,X2) = multiply(X2,multiply(X1,commutator(X1,X2))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',commutator) ).

cnf(associativity_of_multiply,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    file('/export/starexec/sandbox/benchmark/Axioms/GRP008-0.ax',associativity_of_multiply) ).

cnf(nilpotency,axiom,
    multiply(commutator(X1,X2),X3) = multiply(X3,commutator(X1,X2)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',nilpotency) ).

cnf(prove_commutator_is_associative,negated_conjecture,
    commutator(commutator(a,b),c) != commutator(a,commutator(b,c)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',prove_commutator_is_associative) ).

cnf(c_0_5,axiom,
    ( X2 = X3
    | multiply(X1,X2) != multiply(X1,X3) ),
    left_cancellation ).

cnf(c_0_6,axiom,
    multiply(X1,X2) = multiply(X2,multiply(X1,commutator(X1,X2))),
    commutator ).

cnf(c_0_7,plain,
    ( X1 = multiply(X2,commutator(X2,X3))
    | multiply(X3,X1) != multiply(X2,X3) ),
    inference(spm,[status(thm)],[c_0_5,c_0_6]) ).

cnf(c_0_8,axiom,
    multiply(multiply(X1,X2),X3) = multiply(X1,multiply(X2,X3)),
    associativity_of_multiply ).

cnf(c_0_9,plain,
    multiply(X1,commutator(X1,X1)) = X1,
    inference(er,[status(thm)],[c_0_7]) ).

cnf(c_0_10,axiom,
    multiply(commutator(X1,X2),X3) = multiply(X3,commutator(X1,X2)),
    nilpotency ).

cnf(c_0_11,plain,
    ( X1 = X2
    | multiply(X3,multiply(X4,X1)) != multiply(X3,multiply(X4,X2)) ),
    inference(rw,[status(thm)],[inference(spm,[status(thm)],[c_0_5,c_0_8]),c_0_8]) ).

cnf(c_0_12,plain,
    multiply(X1,multiply(commutator(X1,X1),X2)) = multiply(X1,X2),
    inference(spm,[status(thm)],[c_0_8,c_0_9]) ).

cnf(c_0_13,plain,
    ( X1 = X2
    | multiply(commutator(X3,X4),X1) != multiply(X2,commutator(X3,X4)) ),
    inference(spm,[status(thm)],[c_0_5,c_0_10]) ).

cnf(c_0_14,plain,
    ( X1 = commutator(X2,X2)
    | multiply(X3,multiply(X2,X1)) != multiply(X3,X2) ),
    inference(spm,[status(thm)],[c_0_11,c_0_9]) ).

cnf(c_0_15,plain,
    multiply(X1,multiply(X2,commutator(X1,X1))) = multiply(X1,X2),
    inference(spm,[status(thm)],[c_0_12,c_0_10]) ).

cnf(c_0_16,plain,
    ( multiply(X1,commutator(X1,commutator(X2,X3))) = X4
    | multiply(X1,commutator(X2,X3)) != multiply(X4,commutator(X2,X3)) ),
    inference(spm,[status(thm)],[c_0_13,c_0_6]) ).

cnf(c_0_17,plain,
    commutator(X1,X1) = commutator(X2,X2),
    inference(spm,[status(thm)],[c_0_14,c_0_15]) ).

cnf(c_0_18,plain,
    multiply(X1,commutator(X1,commutator(X2,X3))) = X1,
    inference(er,[status(thm)],[c_0_16]) ).

cnf(c_0_19,plain,
    ( X1 = commutator(X2,X3)
    | multiply(X3,multiply(X2,X1)) != multiply(X2,X3) ),
    inference(spm,[status(thm)],[c_0_11,c_0_6]) ).

cnf(c_0_20,plain,
    multiply(X1,commutator(X2,X2)) = X1,
    inference(spm,[status(thm)],[c_0_9,c_0_17]) ).

cnf(c_0_21,negated_conjecture,
    commutator(commutator(a,b),c) != commutator(a,commutator(b,c)),
    prove_commutator_is_associative ).

cnf(c_0_22,plain,
    commutator(X1,commutator(X2,X3)) = commutator(X1,X1),
    inference(spm,[status(thm)],[c_0_14,c_0_18]) ).

cnf(c_0_23,plain,
    ( X1 = commutator(commutator(X2,X3),X4)
    | multiply(X4,multiply(X1,commutator(X2,X3))) != multiply(commutator(X2,X3),X4) ),
    inference(spm,[status(thm)],[c_0_19,c_0_10]) ).

cnf(c_0_24,plain,
    multiply(commutator(X1,X1),X2) = X2,
    inference(spm,[status(thm)],[c_0_10,c_0_20]) ).

cnf(c_0_25,negated_conjecture,
    commutator(commutator(a,b),c) != commutator(a,a),
    inference(rw,[status(thm)],[c_0_21,c_0_22]) ).

cnf(c_0_26,plain,
    commutator(X1,X1) = commutator(commutator(X2,X3),X4),
    inference(sr,[status(thm)],[inference(spm,[status(thm)],[c_0_23,c_0_24]),c_0_10]) ).

cnf(c_0_27,negated_conjecture,
    $false,
    inference(sr,[status(thm)],[c_0_25,c_0_26]),
    [proof] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : GRP402-1 : TPTP v8.1.2. Released v2.5.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %d %s
% 0.13/0.35  % Computer : n027.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    : 300
% 0.13/0.35  % DateTime   : Mon Aug 28 21:34:37 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.20/0.58  start to proof: theBenchmark
% 0.20/0.64  % Version  : CSE_E---1.5
% 0.20/0.64  % Problem  : theBenchmark.p
% 0.20/0.64  % Proof found
% 0.20/0.64  % SZS status Theorem for theBenchmark.p
% 0.20/0.64  % SZS output start Proof
% See solution above
% 0.20/0.65  % Total time : 0.055000 s
% 0.20/0.65  % SZS output end Proof
% 0.20/0.65  % Total time : 0.057000 s
%------------------------------------------------------------------------------