TSTP Solution File: GRP704-11 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : GRP704-11 : TPTP v8.1.0. Released v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n029.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 10:50:22 EDT 2022

% Result   : Unsatisfiable 0.20s 0.38s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   31
% Syntax   : Number of clauses     :   94 (  50 unt;   0 nHn;  64 RR)
%            Number of literals    :  159 ( 158 equ;  67 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    3 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :   76 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(f01,axiom,
    mult(A,ld(A,B)) = B ).

cnf(f02,axiom,
    ld(A,mult(A,B)) = B ).

cnf(f06,axiom,
    mult(unit,A) = A ).

cnf(f08,axiom,
    mult(op_c,mult(A,B)) = mult(mult(op_c,A),B) ).

cnf(f10,axiom,
    mult(A,mult(op_c,B)) = mult(mult(A,op_c),B) ).

cnf(f11,axiom,
    op_d = ld(A,mult(op_c,A)) ).

cnf(f13,axiom,
    op_f = mult(A,mult(B,ld(mult(A,B),op_c))) ).

cnf(goal,negated_conjecture,
    mult(x4,mult(x5,op_f)) != mult(mult(x4,x5),op_f) ).

cnf(refute_0_0,plain,
    mult(X_13,mult(op_c,X_14)) = mult(mult(X_13,op_c),X_14),
    inference(subst,[],[f10:[bind(A,$fot(X_13)),bind(B,$fot(X_14))]]) ).

cnf(refute_0_1,plain,
    mult(X_8,ld(X_8,mult(op_c,X_8))) = mult(op_c,X_8),
    inference(subst,[],[f01:[bind(A,$fot(X_8)),bind(B,$fot(mult(op_c,X_8)))]]) ).

cnf(refute_0_2,plain,
    op_d = ld(op_c,mult(op_c,op_c)),
    inference(subst,[],[f11:[bind(A,$fot(op_c))]]) ).

cnf(refute_0_3,plain,
    ld(op_c,mult(op_c,op_c)) = op_c,
    inference(subst,[],[f02:[bind(A,$fot(op_c)),bind(B,$fot(op_c))]]) ).

cnf(refute_0_4,plain,
    ( ld(op_c,mult(op_c,op_c)) != op_c
    | op_d != ld(op_c,mult(op_c,op_c))
    | op_d = op_c ),
    introduced(tautology,[equality,[$cnf( $equal(op_d,ld(op_c,mult(op_c,op_c))) ),[1],$fot(op_c)]]) ).

cnf(refute_0_5,plain,
    ( op_d != ld(op_c,mult(op_c,op_c))
    | op_d = op_c ),
    inference(resolve,[$cnf( $equal(ld(op_c,mult(op_c,op_c)),op_c) )],[refute_0_3,refute_0_4]) ).

cnf(refute_0_6,plain,
    op_d = op_c,
    inference(resolve,[$cnf( $equal(op_d,ld(op_c,mult(op_c,op_c))) )],[refute_0_2,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( op_d != ld(A,mult(op_c,A))
    | op_d != op_c
    | op_c = ld(A,mult(op_c,A)) ),
    introduced(tautology,[equality,[$cnf( $equal(op_d,ld(A,mult(op_c,A))) ),[0],$fot(op_c)]]) ).

cnf(refute_0_8,plain,
    ( op_d != ld(A,mult(op_c,A))
    | op_c = ld(A,mult(op_c,A)) ),
    inference(resolve,[$cnf( $equal(op_d,op_c) )],[refute_0_6,refute_0_7]) ).

cnf(refute_0_9,plain,
    op_c = ld(A,mult(op_c,A)),
    inference(resolve,[$cnf( $equal(op_d,ld(A,mult(op_c,A))) )],[f11,refute_0_8]) ).

cnf(refute_0_10,plain,
    op_c = ld(X_8,mult(op_c,X_8)),
    inference(subst,[],[refute_0_9:[bind(A,$fot(X_8))]]) ).

cnf(refute_0_11,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_12,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_13,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_11,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( op_c != ld(X_8,mult(op_c,X_8))
    | ld(X_8,mult(op_c,X_8)) = op_c ),
    inference(subst,[],[refute_0_13:[bind(X,$fot(op_c)),bind(Y,$fot(ld(X_8,mult(op_c,X_8))))]]) ).

cnf(refute_0_15,plain,
    ld(X_8,mult(op_c,X_8)) = op_c,
    inference(resolve,[$cnf( $equal(op_c,ld(X_8,mult(op_c,X_8))) )],[refute_0_10,refute_0_14]) ).

cnf(refute_0_16,plain,
    ( ld(X_8,mult(op_c,X_8)) != op_c
    | mult(X_8,ld(X_8,mult(op_c,X_8))) != mult(op_c,X_8)
    | mult(X_8,op_c) = mult(op_c,X_8) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(X_8,ld(X_8,mult(op_c,X_8))),mult(op_c,X_8)) ),[0,1],$fot(op_c)]]) ).

cnf(refute_0_17,plain,
    ( mult(X_8,ld(X_8,mult(op_c,X_8))) != mult(op_c,X_8)
    | mult(X_8,op_c) = mult(op_c,X_8) ),
    inference(resolve,[$cnf( $equal(ld(X_8,mult(op_c,X_8)),op_c) )],[refute_0_15,refute_0_16]) ).

cnf(refute_0_18,plain,
    mult(X_8,op_c) = mult(op_c,X_8),
    inference(resolve,[$cnf( $equal(mult(X_8,ld(X_8,mult(op_c,X_8))),mult(op_c,X_8)) )],[refute_0_1,refute_0_17]) ).

cnf(refute_0_19,plain,
    mult(X_13,op_c) = mult(op_c,X_13),
    inference(subst,[],[refute_0_18:[bind(X_8,$fot(X_13))]]) ).

cnf(refute_0_20,plain,
    ( mult(X_13,mult(op_c,X_14)) != mult(mult(X_13,op_c),X_14)
    | mult(X_13,op_c) != mult(op_c,X_13)
    | mult(X_13,mult(op_c,X_14)) = mult(mult(op_c,X_13),X_14) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(X_13,mult(op_c,X_14)),mult(mult(X_13,op_c),X_14)) ),[1,0],$fot(mult(op_c,X_13))]]) ).

cnf(refute_0_21,plain,
    ( mult(X_13,mult(op_c,X_14)) != mult(mult(X_13,op_c),X_14)
    | mult(X_13,mult(op_c,X_14)) = mult(mult(op_c,X_13),X_14) ),
    inference(resolve,[$cnf( $equal(mult(X_13,op_c),mult(op_c,X_13)) )],[refute_0_19,refute_0_20]) ).

cnf(refute_0_22,plain,
    mult(X_13,mult(op_c,X_14)) = mult(mult(op_c,X_13),X_14),
    inference(resolve,[$cnf( $equal(mult(X_13,mult(op_c,X_14)),mult(mult(X_13,op_c),X_14)) )],[refute_0_0,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( mult(op_c,mult(A,B)) != mult(mult(op_c,A),B)
    | mult(mult(op_c,A),B) = mult(op_c,mult(A,B)) ),
    inference(subst,[],[refute_0_13:[bind(X,$fot(mult(op_c,mult(A,B)))),bind(Y,$fot(mult(mult(op_c,A),B)))]]) ).

cnf(refute_0_24,plain,
    mult(mult(op_c,A),B) = mult(op_c,mult(A,B)),
    inference(resolve,[$cnf( $equal(mult(op_c,mult(A,B)),mult(mult(op_c,A),B)) )],[f08,refute_0_23]) ).

cnf(refute_0_25,plain,
    mult(mult(op_c,X_13),X_14) = mult(op_c,mult(X_13,X_14)),
    inference(subst,[],[refute_0_24:[bind(A,$fot(X_13)),bind(B,$fot(X_14))]]) ).

cnf(refute_0_26,plain,
    ( mult(X_13,mult(op_c,X_14)) != mult(mult(op_c,X_13),X_14)
    | mult(mult(op_c,X_13),X_14) != mult(op_c,mult(X_13,X_14))
    | mult(X_13,mult(op_c,X_14)) = mult(op_c,mult(X_13,X_14)) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(mult(X_13,mult(op_c,X_14)),mult(op_c,mult(X_13,X_14))) ),[0],$fot(mult(mult(op_c,X_13),X_14))]]) ).

cnf(refute_0_27,plain,
    ( mult(X_13,mult(op_c,X_14)) != mult(mult(op_c,X_13),X_14)
    | mult(X_13,mult(op_c,X_14)) = mult(op_c,mult(X_13,X_14)) ),
    inference(resolve,[$cnf( $equal(mult(mult(op_c,X_13),X_14),mult(op_c,mult(X_13,X_14))) )],[refute_0_25,refute_0_26]) ).

cnf(refute_0_28,plain,
    mult(X_13,mult(op_c,X_14)) = mult(op_c,mult(X_13,X_14)),
    inference(resolve,[$cnf( $equal(mult(X_13,mult(op_c,X_14)),mult(mult(op_c,X_13),X_14)) )],[refute_0_22,refute_0_27]) ).

cnf(refute_0_29,plain,
    mult(x4,mult(op_c,x5)) = mult(op_c,mult(x4,x5)),
    inference(subst,[],[refute_0_28:[bind(X_13,$fot(x4)),bind(X_14,$fot(x5))]]) ).

cnf(refute_0_30,plain,
    mult(x5,op_c) = mult(op_c,x5),
    inference(subst,[],[refute_0_18:[bind(X_8,$fot(x5))]]) ).

cnf(refute_0_31,plain,
    mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) = mult(X_18,ld(mult(unit,X_18),op_c)),
    inference(subst,[],[f06:[bind(A,$fot(mult(X_18,ld(mult(unit,X_18),op_c))))]]) ).

cnf(refute_0_32,plain,
    op_f = mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))),
    inference(subst,[],[f13:[bind(A,$fot(unit)),bind(B,$fot(X_18))]]) ).

cnf(refute_0_33,plain,
    ( op_f != mult(unit,mult(X_18,ld(mult(unit,X_18),op_c)))
    | mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) = op_f ),
    inference(subst,[],[refute_0_13:[bind(X,$fot(op_f)),bind(Y,$fot(mult(unit,mult(X_18,ld(mult(unit,X_18),op_c)))))]]) ).

cnf(refute_0_34,plain,
    mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) = op_f,
    inference(resolve,[$cnf( $equal(op_f,mult(unit,mult(X_18,ld(mult(unit,X_18),op_c)))) )],[refute_0_32,refute_0_33]) ).

cnf(refute_0_35,plain,
    ( mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) != mult(X_18,ld(mult(unit,X_18),op_c))
    | mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) != op_f
    | op_f = mult(X_18,ld(mult(unit,X_18),op_c)) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))),mult(X_18,ld(mult(unit,X_18),op_c))) ),[0],$fot(op_f)]]) ).

cnf(refute_0_36,plain,
    ( mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))) != mult(X_18,ld(mult(unit,X_18),op_c))
    | op_f = mult(X_18,ld(mult(unit,X_18),op_c)) ),
    inference(resolve,[$cnf( $equal(mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))),op_f) )],[refute_0_34,refute_0_35]) ).

cnf(refute_0_37,plain,
    op_f = mult(X_18,ld(mult(unit,X_18),op_c)),
    inference(resolve,[$cnf( $equal(mult(unit,mult(X_18,ld(mult(unit,X_18),op_c))),mult(X_18,ld(mult(unit,X_18),op_c))) )],[refute_0_31,refute_0_36]) ).

cnf(refute_0_38,plain,
    mult(X_18,ld(X_18,op_c)) = op_c,
    inference(subst,[],[f01:[bind(A,$fot(X_18)),bind(B,$fot(op_c))]]) ).

cnf(refute_0_39,plain,
    mult(unit,X_18) = X_18,
    inference(subst,[],[f06:[bind(A,$fot(X_18))]]) ).

cnf(refute_0_40,plain,
    ld(mult(unit,X_18),op_c) = ld(mult(unit,X_18),op_c),
    introduced(tautology,[refl,[$fot(ld(mult(unit,X_18),op_c))]]) ).

cnf(refute_0_41,plain,
    ( ld(mult(unit,X_18),op_c) != ld(mult(unit,X_18),op_c)
    | mult(unit,X_18) != X_18
    | ld(mult(unit,X_18),op_c) = ld(X_18,op_c) ),
    introduced(tautology,[equality,[$cnf( $equal(ld(mult(unit,X_18),op_c),ld(mult(unit,X_18),op_c)) ),[1,0],$fot(X_18)]]) ).

cnf(refute_0_42,plain,
    ( mult(unit,X_18) != X_18
    | ld(mult(unit,X_18),op_c) = ld(X_18,op_c) ),
    inference(resolve,[$cnf( $equal(ld(mult(unit,X_18),op_c),ld(mult(unit,X_18),op_c)) )],[refute_0_40,refute_0_41]) ).

cnf(refute_0_43,plain,
    ld(mult(unit,X_18),op_c) = ld(X_18,op_c),
    inference(resolve,[$cnf( $equal(mult(unit,X_18),X_18) )],[refute_0_39,refute_0_42]) ).

cnf(refute_0_44,plain,
    mult(X_18,ld(mult(unit,X_18),op_c)) = mult(X_18,ld(mult(unit,X_18),op_c)),
    introduced(tautology,[refl,[$fot(mult(X_18,ld(mult(unit,X_18),op_c)))]]) ).

cnf(refute_0_45,plain,
    ( ld(mult(unit,X_18),op_c) != ld(X_18,op_c)
    | mult(X_18,ld(mult(unit,X_18),op_c)) != mult(X_18,ld(mult(unit,X_18),op_c))
    | mult(X_18,ld(mult(unit,X_18),op_c)) = mult(X_18,ld(X_18,op_c)) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(X_18,ld(mult(unit,X_18),op_c)),mult(X_18,ld(mult(unit,X_18),op_c))) ),[1,1],$fot(ld(X_18,op_c))]]) ).

cnf(refute_0_46,plain,
    ( ld(mult(unit,X_18),op_c) != ld(X_18,op_c)
    | mult(X_18,ld(mult(unit,X_18),op_c)) = mult(X_18,ld(X_18,op_c)) ),
    inference(resolve,[$cnf( $equal(mult(X_18,ld(mult(unit,X_18),op_c)),mult(X_18,ld(mult(unit,X_18),op_c))) )],[refute_0_44,refute_0_45]) ).

cnf(refute_0_47,plain,
    mult(X_18,ld(mult(unit,X_18),op_c)) = mult(X_18,ld(X_18,op_c)),
    inference(resolve,[$cnf( $equal(ld(mult(unit,X_18),op_c),ld(X_18,op_c)) )],[refute_0_43,refute_0_46]) ).

cnf(refute_0_48,plain,
    ( Y != X
    | Y != Z
    | X = Z ),
    introduced(tautology,[equality,[$cnf( $equal(Y,Z) ),[0],$fot(X)]]) ).

cnf(refute_0_49,plain,
    ( X != Y
    | Y != Z
    | X = Z ),
    inference(resolve,[$cnf( $equal(Y,X) )],[refute_0_13,refute_0_48]) ).

cnf(refute_0_50,plain,
    ( mult(X_18,ld(X_18,op_c)) != op_c
    | mult(X_18,ld(mult(unit,X_18),op_c)) != mult(X_18,ld(X_18,op_c))
    | mult(X_18,ld(mult(unit,X_18),op_c)) = op_c ),
    inference(subst,[],[refute_0_49:[bind(X,$fot(mult(X_18,ld(mult(unit,X_18),op_c)))),bind(Y,$fot(mult(X_18,ld(X_18,op_c)))),bind(Z,$fot(op_c))]]) ).

cnf(refute_0_51,plain,
    ( mult(X_18,ld(X_18,op_c)) != op_c
    | mult(X_18,ld(mult(unit,X_18),op_c)) = op_c ),
    inference(resolve,[$cnf( $equal(mult(X_18,ld(mult(unit,X_18),op_c)),mult(X_18,ld(X_18,op_c))) )],[refute_0_47,refute_0_50]) ).

cnf(refute_0_52,plain,
    mult(X_18,ld(mult(unit,X_18),op_c)) = op_c,
    inference(resolve,[$cnf( $equal(mult(X_18,ld(X_18,op_c)),op_c) )],[refute_0_38,refute_0_51]) ).

cnf(refute_0_53,plain,
    ( mult(X_18,ld(mult(unit,X_18),op_c)) != op_c
    | op_f != mult(X_18,ld(mult(unit,X_18),op_c))
    | op_f = op_c ),
    introduced(tautology,[equality,[$cnf( $equal(op_f,mult(X_18,ld(mult(unit,X_18),op_c))) ),[1],$fot(op_c)]]) ).

cnf(refute_0_54,plain,
    ( op_f != mult(X_18,ld(mult(unit,X_18),op_c))
    | op_f = op_c ),
    inference(resolve,[$cnf( $equal(mult(X_18,ld(mult(unit,X_18),op_c)),op_c) )],[refute_0_52,refute_0_53]) ).

cnf(refute_0_55,plain,
    op_f = op_c,
    inference(resolve,[$cnf( $equal(op_f,mult(X_18,ld(mult(unit,X_18),op_c))) )],[refute_0_37,refute_0_54]) ).

cnf(refute_0_56,plain,
    mult(x5,op_f) = mult(x5,op_f),
    introduced(tautology,[refl,[$fot(mult(x5,op_f))]]) ).

cnf(refute_0_57,plain,
    ( mult(x5,op_f) != mult(x5,op_f)
    | op_f != op_c
    | mult(x5,op_f) = mult(x5,op_c) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(x5,op_f),mult(x5,op_f)) ),[1,1],$fot(op_c)]]) ).

cnf(refute_0_58,plain,
    ( op_f != op_c
    | mult(x5,op_f) = mult(x5,op_c) ),
    inference(resolve,[$cnf( $equal(mult(x5,op_f),mult(x5,op_f)) )],[refute_0_56,refute_0_57]) ).

cnf(refute_0_59,plain,
    mult(x5,op_f) = mult(x5,op_c),
    inference(resolve,[$cnf( $equal(op_f,op_c) )],[refute_0_55,refute_0_58]) ).

cnf(refute_0_60,plain,
    ( mult(x5,op_c) != mult(op_c,x5)
    | mult(x5,op_f) != mult(x5,op_c)
    | mult(x5,op_f) = mult(op_c,x5) ),
    inference(subst,[],[refute_0_49:[bind(X,$fot(mult(x5,op_f))),bind(Y,$fot(mult(x5,op_c))),bind(Z,$fot(mult(op_c,x5)))]]) ).

cnf(refute_0_61,plain,
    ( mult(x5,op_c) != mult(op_c,x5)
    | mult(x5,op_f) = mult(op_c,x5) ),
    inference(resolve,[$cnf( $equal(mult(x5,op_f),mult(x5,op_c)) )],[refute_0_59,refute_0_60]) ).

cnf(refute_0_62,plain,
    mult(x5,op_f) = mult(op_c,x5),
    inference(resolve,[$cnf( $equal(mult(x5,op_c),mult(op_c,x5)) )],[refute_0_30,refute_0_61]) ).

cnf(refute_0_63,plain,
    mult(x4,mult(x5,op_f)) = mult(x4,mult(x5,op_f)),
    introduced(tautology,[refl,[$fot(mult(x4,mult(x5,op_f)))]]) ).

cnf(refute_0_64,plain,
    ( mult(x4,mult(x5,op_f)) != mult(x4,mult(x5,op_f))
    | mult(x5,op_f) != mult(op_c,x5)
    | mult(x4,mult(x5,op_f)) = mult(x4,mult(op_c,x5)) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(x4,mult(x5,op_f))) ),[1,1],$fot(mult(op_c,x5))]]) ).

cnf(refute_0_65,plain,
    ( mult(x5,op_f) != mult(op_c,x5)
    | mult(x4,mult(x5,op_f)) = mult(x4,mult(op_c,x5)) ),
    inference(resolve,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(x4,mult(x5,op_f))) )],[refute_0_63,refute_0_64]) ).

cnf(refute_0_66,plain,
    mult(x4,mult(x5,op_f)) = mult(x4,mult(op_c,x5)),
    inference(resolve,[$cnf( $equal(mult(x5,op_f),mult(op_c,x5)) )],[refute_0_62,refute_0_65]) ).

cnf(refute_0_67,plain,
    ( mult(x4,mult(op_c,x5)) != mult(op_c,mult(x4,x5))
    | mult(x4,mult(x5,op_f)) != mult(x4,mult(op_c,x5))
    | mult(x4,mult(x5,op_f)) = mult(op_c,mult(x4,x5)) ),
    inference(subst,[],[refute_0_49:[bind(X,$fot(mult(x4,mult(x5,op_f)))),bind(Y,$fot(mult(x4,mult(op_c,x5)))),bind(Z,$fot(mult(op_c,mult(x4,x5))))]]) ).

cnf(refute_0_68,plain,
    ( mult(x4,mult(op_c,x5)) != mult(op_c,mult(x4,x5))
    | mult(x4,mult(x5,op_f)) = mult(op_c,mult(x4,x5)) ),
    inference(resolve,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(x4,mult(op_c,x5))) )],[refute_0_66,refute_0_67]) ).

cnf(refute_0_69,plain,
    mult(x4,mult(x5,op_f)) = mult(op_c,mult(x4,x5)),
    inference(resolve,[$cnf( $equal(mult(x4,mult(op_c,x5)),mult(op_c,mult(x4,x5))) )],[refute_0_29,refute_0_68]) ).

cnf(refute_0_70,plain,
    ( mult(op_c,mult(x4,x5)) != mult(mult(x4,x5),op_f)
    | mult(x4,mult(x5,op_f)) != mult(op_c,mult(x4,x5))
    | mult(x4,mult(x5,op_f)) = mult(mult(x4,x5),op_f) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(op_c,mult(x4,x5))) ),[1],$fot(mult(mult(x4,x5),op_f))]]) ).

cnf(refute_0_71,plain,
    ( mult(op_c,mult(x4,x5)) != mult(mult(x4,x5),op_f)
    | mult(x4,mult(x5,op_f)) = mult(mult(x4,x5),op_f) ),
    inference(resolve,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(op_c,mult(x4,x5))) )],[refute_0_69,refute_0_70]) ).

cnf(refute_0_72,plain,
    mult(mult(x4,x5),op_c) = mult(op_c,mult(x4,x5)),
    inference(subst,[],[refute_0_18:[bind(X_8,$fot(mult(x4,x5)))]]) ).

cnf(refute_0_73,plain,
    mult(mult(x4,x5),op_f) = mult(mult(x4,x5),op_f),
    introduced(tautology,[refl,[$fot(mult(mult(x4,x5),op_f))]]) ).

cnf(refute_0_74,plain,
    ( mult(mult(x4,x5),op_f) != mult(mult(x4,x5),op_f)
    | op_f != op_c
    | mult(mult(x4,x5),op_f) = mult(mult(x4,x5),op_c) ),
    introduced(tautology,[equality,[$cnf( $equal(mult(mult(x4,x5),op_f),mult(mult(x4,x5),op_f)) ),[1,1],$fot(op_c)]]) ).

cnf(refute_0_75,plain,
    ( op_f != op_c
    | mult(mult(x4,x5),op_f) = mult(mult(x4,x5),op_c) ),
    inference(resolve,[$cnf( $equal(mult(mult(x4,x5),op_f),mult(mult(x4,x5),op_f)) )],[refute_0_73,refute_0_74]) ).

cnf(refute_0_76,plain,
    mult(mult(x4,x5),op_f) = mult(mult(x4,x5),op_c),
    inference(resolve,[$cnf( $equal(op_f,op_c) )],[refute_0_55,refute_0_75]) ).

cnf(refute_0_77,plain,
    ( mult(mult(x4,x5),op_c) != mult(op_c,mult(x4,x5))
    | mult(mult(x4,x5),op_f) != mult(mult(x4,x5),op_c)
    | mult(mult(x4,x5),op_f) = mult(op_c,mult(x4,x5)) ),
    inference(subst,[],[refute_0_49:[bind(X,$fot(mult(mult(x4,x5),op_f))),bind(Y,$fot(mult(mult(x4,x5),op_c))),bind(Z,$fot(mult(op_c,mult(x4,x5))))]]) ).

cnf(refute_0_78,plain,
    ( mult(mult(x4,x5),op_c) != mult(op_c,mult(x4,x5))
    | mult(mult(x4,x5),op_f) = mult(op_c,mult(x4,x5)) ),
    inference(resolve,[$cnf( $equal(mult(mult(x4,x5),op_f),mult(mult(x4,x5),op_c)) )],[refute_0_76,refute_0_77]) ).

cnf(refute_0_79,plain,
    mult(mult(x4,x5),op_f) = mult(op_c,mult(x4,x5)),
    inference(resolve,[$cnf( $equal(mult(mult(x4,x5),op_c),mult(op_c,mult(x4,x5))) )],[refute_0_72,refute_0_78]) ).

cnf(refute_0_80,plain,
    ( mult(mult(x4,x5),op_f) != mult(op_c,mult(x4,x5))
    | mult(op_c,mult(x4,x5)) != mult(op_c,mult(x4,x5))
    | mult(op_c,mult(x4,x5)) = mult(mult(x4,x5),op_f) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(mult(op_c,mult(x4,x5)),mult(mult(x4,x5),op_f)) ),[1],$fot(mult(op_c,mult(x4,x5)))]]) ).

cnf(refute_0_81,plain,
    ( mult(op_c,mult(x4,x5)) != mult(op_c,mult(x4,x5))
    | mult(op_c,mult(x4,x5)) = mult(mult(x4,x5),op_f) ),
    inference(resolve,[$cnf( $equal(mult(mult(x4,x5),op_f),mult(op_c,mult(x4,x5))) )],[refute_0_79,refute_0_80]) ).

cnf(refute_0_82,plain,
    ( mult(op_c,mult(x4,x5)) != mult(op_c,mult(x4,x5))
    | mult(x4,mult(x5,op_f)) = mult(mult(x4,x5),op_f) ),
    inference(resolve,[$cnf( $equal(mult(op_c,mult(x4,x5)),mult(mult(x4,x5),op_f)) )],[refute_0_81,refute_0_71]) ).

cnf(refute_0_83,plain,
    mult(op_c,mult(x4,x5)) != mult(op_c,mult(x4,x5)),
    inference(resolve,[$cnf( $equal(mult(x4,mult(x5,op_f)),mult(mult(x4,x5),op_f)) )],[refute_0_82,goal]) ).

cnf(refute_0_84,plain,
    mult(op_c,mult(x4,x5)) = mult(op_c,mult(x4,x5)),
    introduced(tautology,[refl,[$fot(mult(op_c,mult(x4,x5)))]]) ).

cnf(refute_0_85,plain,
    $false,
    inference(resolve,[$cnf( $equal(mult(op_c,mult(x4,x5)),mult(op_c,mult(x4,x5))) )],[refute_0_84,refute_0_83]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP704-11 : TPTP v8.1.0. Released v8.1.0.
% 0.03/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n029.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Tue Jun 14 05:54:25 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.20/0.38  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.20/0.38  
% 0.20/0.38  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.20/0.40  
%------------------------------------------------------------------------------