TSTP Solution File: GRP777+1 by Drodi---3.5.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Drodi---3.5.1
% Problem  : GRP777+1 : TPTP v8.1.2. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s

% Computer : n019.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 : Wed May 31 12:12:40 EDT 2023

% Result   : Theorem 99.77s 12.97s
% Output   : CNFRefutation 100.77s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   50
%            Number of leaves      :   10
% Syntax   : Number of formulae    :  173 ( 173 unt;   0 def)
%            Number of atoms       :  173 ( 172 equ)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :    6 (   6   ~;   0   |;   0   &)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   4 con; 0-3 aty)
%            Number of variables   :  365 (; 364   !;   1   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [B,A] : difference(A,product(A,B)) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f2,axiom,
    ! [B,A] : product(A,difference(A,B)) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f3,axiom,
    ! [B,A] : quotient(product(A,B),B) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f4,axiom,
    ! [B,A] : product(quotient(A,B),B) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f5,axiom,
    ! [D,C,B,A] : product(product(A,B),product(C,D)) = product(product(A,C),product(B,D)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f6,axiom,
    ! [A] : product(A,A) = A,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f7,axiom,
    ! [B,A] : product(product(product(A,B),B),product(B,product(B,A))) = B,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f8,axiom,
    ! [C,B,A] : bigC(A,B,C) = product(product(A,B),product(C,A)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f9,axiom,
    product(product(a,c),product(c,b)) = product(a,b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f10,conjecture,
    ! [X0] : bigC(a,b,X0) = bigC(c,c,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p') ).

fof(f11,negated_conjecture,
    ~ ! [X0] : bigC(a,b,X0) = bigC(c,c,X0),
    inference(negated_conjecture,[status(cth)],[f10]) ).

fof(f12,plain,
    ! [X0,X1] : difference(X0,product(X0,X1)) = X1,
    inference(cnf_transformation,[status(esa)],[f1]) ).

fof(f13,plain,
    ! [X0,X1] : product(X0,difference(X0,X1)) = X1,
    inference(cnf_transformation,[status(esa)],[f2]) ).

fof(f14,plain,
    ! [X0,X1] : quotient(product(X0,X1),X1) = X0,
    inference(cnf_transformation,[status(esa)],[f3]) ).

fof(f15,plain,
    ! [X0,X1] : product(quotient(X0,X1),X1) = X0,
    inference(cnf_transformation,[status(esa)],[f4]) ).

fof(f16,plain,
    ! [X0,X1,X2,X3] : product(product(X0,X1),product(X2,X3)) = product(product(X0,X2),product(X1,X3)),
    inference(cnf_transformation,[status(esa)],[f5]) ).

fof(f17,plain,
    ! [X0] : product(X0,X0) = X0,
    inference(cnf_transformation,[status(esa)],[f6]) ).

fof(f18,plain,
    ! [X0,X1] : product(product(product(X0,X1),X1),product(X1,product(X1,X0))) = X1,
    inference(cnf_transformation,[status(esa)],[f7]) ).

fof(f19,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = product(product(X0,X1),product(X2,X0)),
    inference(cnf_transformation,[status(esa)],[f8]) ).

fof(f20,plain,
    product(product(a,c),product(c,b)) = product(a,b),
    inference(cnf_transformation,[status(esa)],[f9]) ).

fof(f21,plain,
    ? [X0] : bigC(a,b,X0) != bigC(c,c,X0),
    inference(pre_NNF_transformation,[status(esa)],[f11]) ).

fof(f22,plain,
    bigC(a,b,sk0_0) != bigC(c,c,sk0_0),
    inference(skolemization,[status(esa)],[f21]) ).

fof(f23,plain,
    bigC(a,b,sk0_0) != bigC(c,c,sk0_0),
    inference(cnf_transformation,[status(esa)],[f22]) ).

fof(f25,plain,
    ! [X0,X1,X2,X3] : bigC(product(X0,X1),X2,product(X1,X3)) = product(product(product(X0,X1),X2),bigC(X1,X3,X0)),
    inference(paramodulation,[status(thm)],[f19,f19]) ).

fof(f1051,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X0,X1),product(X1,X2)) = product(product(X0,X1),bigC(X1,X2,X0)),
    inference(paramodulation,[status(thm)],[f17,f25]) ).

fof(f1108,plain,
    ! [X0,X1] : bigC(X0,X1,X0) = product(product(X0,X1),X0),
    inference(paramodulation,[status(thm)],[f17,f19]) ).

fof(f1109,plain,
    ! [X0,X1] : bigC(X0,X0,X1) = product(X0,product(X1,X0)),
    inference(paramodulation,[status(thm)],[f17,f19]) ).

fof(f1225,plain,
    ! [X0,X1,X2] : difference(product(X0,X1),bigC(X0,X1,X2)) = product(X2,X0),
    inference(paramodulation,[status(thm)],[f19,f12]) ).

fof(f1245,plain,
    quotient(product(a,b),product(c,b)) = product(a,c),
    inference(paramodulation,[status(thm)],[f20,f14]) ).

fof(f1246,plain,
    ! [X0,X1,X2] : quotient(bigC(X0,X1,X2),product(X2,X0)) = product(X0,X1),
    inference(paramodulation,[status(thm)],[f19,f14]) ).

fof(f1261,plain,
    ! [X0,X1] : quotient(X0,difference(X1,X0)) = X1,
    inference(paramodulation,[status(thm)],[f13,f14]) ).

fof(f1307,plain,
    ! [X0,X1,X2] : bigC(difference(X0,X1),X2,X0) = product(product(difference(X0,X1),X2),X1),
    inference(paramodulation,[status(thm)],[f13,f19]) ).

fof(f1308,plain,
    ! [X0,X1,X2] : bigC(X0,difference(X0,X1),X2) = product(X1,product(X2,X0)),
    inference(paramodulation,[status(thm)],[f13,f19]) ).

fof(f1340,plain,
    ! [X0,X1] : difference(quotient(X0,X1),X0) = X1,
    inference(paramodulation,[status(thm)],[f15,f12]) ).

fof(f1386,plain,
    ! [X0,X1,X2] : bigC(X0,X1,quotient(X2,X0)) = product(product(X0,X1),X2),
    inference(paramodulation,[status(thm)],[f15,f19]) ).

fof(f1387,plain,
    ! [X0,X1,X2] : bigC(quotient(X0,X1),X1,X2) = product(X0,product(X2,quotient(X0,X1))),
    inference(paramodulation,[status(thm)],[f15,f19]) ).

fof(f1448,plain,
    ! [X0,X1] : quotient(bigC(X0,X1,X0),X0) = product(X0,X1),
    inference(paramodulation,[status(thm)],[f1108,f14]) ).

fof(f1752,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = product(product(X0,X2),product(X1,X0)),
    inference(paramodulation,[status(thm)],[f19,f16]) ).

fof(f1753,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(X0,X2,X1),
    inference(forward_demodulation,[status(thm)],[f19,f1752]) ).

fof(f1756,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X0,X1),X2) = product(product(X0,X2),product(X1,product(X0,X1))),
    inference(paramodulation,[status(thm)],[f1109,f16]) ).

fof(f1757,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X0,X1),X2) = product(product(X0,X2),bigC(X1,X1,X0)),
    inference(forward_demodulation,[status(thm)],[f1109,f1756]) ).

fof(f1774,plain,
    ! [X0,X1,X2,X3,X4,X5] : product(product(product(X0,X1),product(X2,X3)),product(X4,X5)) = product(product(product(X0,X2),X4),product(product(X1,X3),X5)),
    inference(paramodulation,[status(thm)],[f16,f16]) ).

fof(f1776,plain,
    ! [X0,X1,X2,X3,X4] : product(bigC(X0,X1,X2),product(X3,X4)) = product(product(product(X0,X1),X3),product(product(X2,X0),X4)),
    inference(paramodulation,[status(thm)],[f19,f16]) ).

fof(f1778,plain,
    ! [X0,X1,X2,X3] : product(bigC(X0,X0,X1),product(X2,X3)) = product(product(X0,X2),product(product(X1,X0),X3)),
    inference(paramodulation,[status(thm)],[f1109,f16]) ).

fof(f1779,plain,
    ! [X0,X1,X2,X3] : product(X0,product(X1,X2)) = product(product(X3,X1),product(difference(X3,X0),X2)),
    inference(paramodulation,[status(thm)],[f13,f16]) ).

fof(f1780,plain,
    ! [X0,X1,X2] : product(X0,product(X1,X2)) = product(product(X0,X1),product(X0,X2)),
    inference(paramodulation,[status(thm)],[f17,f16]) ).

fof(f1877,plain,
    ! [X0,X1,X2,X3] : bigC(product(X0,X1),product(X0,X1),product(X2,X3)) = product(product(X0,X1),product(product(X2,X0),product(X3,X1))),
    inference(paramodulation,[status(thm)],[f16,f1109]) ).

fof(f1878,plain,
    ! [X0,X1,X2,X3] : product(product(X0,product(X1,X2)),bigC(X3,X3,X0)) = product(product(X0,X3),product(product(X1,X0),product(X2,X3))),
    inference(forward_demodulation,[status(thm)],[f1757,f1877]) ).

fof(f1879,plain,
    ! [X0,X1,X2,X3] : product(product(X0,product(X1,X2)),bigC(X3,X3,X0)) = product(bigC(X0,X0,X1),product(X3,product(X2,X3))),
    inference(forward_demodulation,[status(thm)],[f1778,f1878]) ).

fof(f1880,plain,
    ! [X0,X1,X2,X3] : product(product(X0,product(X1,X2)),bigC(X3,X3,X0)) = product(bigC(X0,X0,X1),bigC(X3,X3,X2)),
    inference(forward_demodulation,[status(thm)],[f1109,f1879]) ).

fof(f1910,plain,
    ! [X0,X1,X2,X3,X4] : bigC(product(X0,X1),X2,product(X3,X4)) = product(product(product(X0,X1),X2),product(product(X3,X0),product(X4,X1))),
    inference(paramodulation,[status(thm)],[f16,f19]) ).

fof(f1911,plain,
    ! [X0,X1,X2,X3,X4] : bigC(product(X0,X1),X2,product(X3,X4)) = product(bigC(X0,X1,X3),product(X2,product(X4,X1))),
    inference(forward_demodulation,[status(thm)],[f1776,f1910]) ).

fof(f2041,plain,
    ! [X0,X1,X2] : product(product(X0,product(X1,X2)),bigC(X1,X1,X0)) = product(product(X0,X1),bigC(X1,X2,X0)),
    inference(backward_demodulation,[status(thm)],[f1757,f1051]) ).

fof(f2042,plain,
    ! [X0,X1,X2] : product(bigC(X0,X0,X1),bigC(X1,X1,X2)) = product(product(X0,X1),bigC(X1,X2,X0)),
    inference(forward_demodulation,[status(thm)],[f1880,f2041]) ).

fof(f2085,plain,
    ! [X0,X1] : product(product(X0,X1),product(X1,product(X1,quotient(X0,X1)))) = X1,
    inference(paramodulation,[status(thm)],[f15,f18]) ).

fof(f2099,plain,
    product(product(product(a,b),product(c,b)),product(product(c,b),product(product(c,b),product(a,c)))) = product(c,b),
    inference(paramodulation,[status(thm)],[f20,f18]) ).

fof(f2100,plain,
    product(product(product(a,c),product(c,b)),product(product(b,b),product(product(c,b),product(a,c)))) = product(c,b),
    inference(forward_demodulation,[status(thm)],[f1774,f2099]) ).

fof(f2101,plain,
    product(product(a,b),product(product(b,b),product(product(c,b),product(a,c)))) = product(c,b),
    inference(forward_demodulation,[status(thm)],[f20,f2100]) ).

fof(f2102,plain,
    product(product(a,b),product(bigC(b,b,c),product(b,product(a,c)))) = product(c,b),
    inference(forward_demodulation,[status(thm)],[f1778,f2101]) ).

fof(f2103,plain,
    product(product(a,b),product(bigC(b,c,b),product(b,product(a,c)))) = product(c,b),
    inference(forward_demodulation,[status(thm)],[f1753,f2102]) ).

fof(f2104,plain,
    product(product(a,b),bigC(product(b,c),b,product(b,a))) = product(c,b),
    inference(forward_demodulation,[status(thm)],[f1911,f2103]) ).

fof(f2334,plain,
    ! [X0,X1] : quotient(bigC(X0,X0,X1),X0) = product(X0,X1),
    inference(paramodulation,[status(thm)],[f1753,f1448]) ).

fof(f2451,plain,
    ! [X0,X1] : difference(product(X0,X1),bigC(X0,X0,X1)) = X0,
    inference(paramodulation,[status(thm)],[f2334,f1340]) ).

fof(f2501,plain,
    ! [X0,X1] : difference(X0,bigC(X1,X1,difference(X1,X0))) = X1,
    inference(paramodulation,[status(thm)],[f13,f2451]) ).

fof(f2586,plain,
    ! [X0,X1] : product(X0,X1) = bigC(X1,X1,difference(X1,X0)),
    inference(paramodulation,[status(thm)],[f2501,f13]) ).

fof(f2652,plain,
    ! [X0,X1] : difference(product(X0,X0),product(X1,X0)) = product(difference(X0,X1),X0),
    inference(paramodulation,[status(thm)],[f2586,f1225]) ).

fof(f2653,plain,
    ! [X0,X1] : difference(X0,product(X1,X0)) = product(difference(X0,X1),X0),
    inference(forward_demodulation,[status(thm)],[f17,f2652]) ).

fof(f2690,plain,
    ! [X0,X1] : difference(X0,X1) = product(difference(X0,quotient(X1,X0)),X0),
    inference(paramodulation,[status(thm)],[f15,f2653]) ).

fof(f2759,plain,
    ! [X0,X1] : quotient(difference(X0,X1),X0) = difference(X0,quotient(X1,X0)),
    inference(paramodulation,[status(thm)],[f2690,f14]) ).

fof(f2836,plain,
    ! [X0,X1,X2] : quotient(product(X0,X1),product(X1,X2)) = difference(product(X1,X2),quotient(bigC(X1,X2,X0),product(X1,X2))),
    inference(paramodulation,[status(thm)],[f1225,f2759]) ).

fof(f2846,plain,
    ! [X0,X1] : quotient(X0,X1) = difference(X1,quotient(product(X1,X0),X1)),
    inference(paramodulation,[status(thm)],[f12,f2759]) ).

fof(f2895,plain,
    ! [X0,X1] : product(X0,quotient(X1,X0)) = quotient(product(X0,X1),X0),
    inference(paramodulation,[status(thm)],[f2846,f13]) ).

fof(f3975,plain,
    ! [X0,X1,X2] : bigC(X0,quotient(X1,X0),X2) = product(product(X0,X2),X1),
    inference(paramodulation,[status(thm)],[f1753,f1386]) ).

fof(f3984,plain,
    ! [X0,X1,X2] : bigC(X0,X1,product(X0,quotient(X2,X0))) = product(product(X0,X1),product(X0,X2)),
    inference(paramodulation,[status(thm)],[f2895,f1386]) ).

fof(f3985,plain,
    ! [X0,X1,X2] : bigC(X0,X1,product(X0,quotient(X2,X0))) = product(X0,product(X1,X2)),
    inference(forward_demodulation,[status(thm)],[f1780,f3984]) ).

fof(f4118,plain,
    ! [X0,X1,X2] : bigC(X0,X1,difference(X0,X2)) = product(X2,product(X1,X0)),
    inference(paramodulation,[status(thm)],[f1753,f1308]) ).

fof(f4194,plain,
    ! [X0,X1,X2] : product(X0,product(difference(X1,X2),X1)) = product(X2,product(difference(X1,X0),X1)),
    inference(paramodulation,[status(thm)],[f1308,f4118]) ).

fof(f4267,plain,
    ! [X0,X1] : product(difference(X0,X1),product(X0,product(X0,quotient(difference(X0,quotient(X1,X0)),X0)))) = X0,
    inference(paramodulation,[status(thm)],[f2690,f2085]) ).

fof(f4268,plain,
    ! [X0,X1] : product(difference(X0,X1),product(X0,product(X0,difference(X0,quotient(quotient(X1,X0),X0))))) = X0,
    inference(forward_demodulation,[status(thm)],[f2759,f4267]) ).

fof(f4269,plain,
    ! [X0,X1] : product(difference(X0,X1),product(X0,quotient(quotient(X1,X0),X0))) = X0,
    inference(forward_demodulation,[status(thm)],[f13,f4268]) ).

fof(f4442,plain,
    ! [X0,X1] : bigC(product(X0,X1),product(X1,product(X1,quotient(X0,X1))),product(X0,X1)) = product(X1,product(X0,X1)),
    inference(paramodulation,[status(thm)],[f2085,f1108]) ).

fof(f4443,plain,
    ! [X0,X1] : bigC(product(X0,X1),product(X0,X1),product(X1,product(X1,quotient(X0,X1)))) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f1753,f4442]) ).

fof(f4444,plain,
    ! [X0,X1] : product(product(X0,product(X1,product(X1,quotient(X0,X1)))),bigC(X1,X1,X0)) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f1757,f4443]) ).

fof(f4445,plain,
    ! [X0,X1] : product(bigC(X0,X0,X1),bigC(X1,X1,product(X1,quotient(X0,X1)))) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f1880,f4444]) ).

fof(f4446,plain,
    ! [X0,X1] : product(product(X0,X1),bigC(X1,product(X1,quotient(X0,X1)),X0)) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f2042,f4445]) ).

fof(f4447,plain,
    ! [X0,X1] : product(product(X0,X1),bigC(X1,X0,product(X1,quotient(X0,X1)))) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f1753,f4446]) ).

fof(f4448,plain,
    ! [X0,X1] : product(product(X0,X1),product(X1,product(X0,X0))) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f3985,f4447]) ).

fof(f4449,plain,
    ! [X0,X1] : product(product(X0,X1),product(X1,X0)) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f17,f4448]) ).

fof(f4450,plain,
    ! [X0,X1] : bigC(X0,X1,X1) = product(X1,product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f19,f4449]) ).

fof(f4451,plain,
    ! [X0,X1] : bigC(X0,X1,X1) = bigC(X1,X1,X0),
    inference(forward_demodulation,[status(thm)],[f1109,f4450]) ).

fof(f4454,plain,
    ! [X0,X1] : difference(product(X0,X1),X1) = product(X1,product(X1,quotient(X0,X1))),
    inference(paramodulation,[status(thm)],[f2085,f12]) ).

fof(f4647,plain,
    ! [X0,X1] : bigC(X0,X1,X1) = bigC(X1,X0,X1),
    inference(paramodulation,[status(thm)],[f1753,f4451]) ).

fof(f4701,plain,
    ! [X0,X1] : quotient(bigC(X0,X0,X1),product(X0,X1)) = product(X1,X0),
    inference(paramodulation,[status(thm)],[f4451,f1246]) ).

fof(f4934,plain,
    ! [X0,X1] : difference(product(X0,X1),bigC(X1,X0,X0)) = product(X0,X0),
    inference(paramodulation,[status(thm)],[f4647,f1225]) ).

fof(f4935,plain,
    ! [X0,X1] : difference(product(X0,X1),bigC(X1,X0,X0)) = X0,
    inference(forward_demodulation,[status(thm)],[f17,f4934]) ).

fof(f5157,plain,
    ! [X0,X1] : bigC(X0,difference(X0,X1),difference(X0,X1)) = product(product(difference(X0,X1),difference(X0,X1)),X1),
    inference(paramodulation,[status(thm)],[f4451,f1307]) ).

fof(f5158,plain,
    ! [X0,X1] : product(X0,product(difference(X1,X0),X1)) = product(product(difference(X1,X0),difference(X1,X0)),X0),
    inference(forward_demodulation,[status(thm)],[f1308,f5157]) ).

fof(f5159,plain,
    ! [X0,X1] : product(X0,product(difference(X1,X0),X1)) = product(difference(X1,X0),X0),
    inference(forward_demodulation,[status(thm)],[f17,f5158]) ).

fof(f5175,plain,
    ! [X0,X1] : bigC(difference(X0,quotient(X1,X0)),X0,X0) = product(difference(X0,X1),quotient(X1,X0)),
    inference(paramodulation,[status(thm)],[f2690,f1307]) ).

fof(f5176,plain,
    ! [X0,X1] : bigC(X0,difference(X0,quotient(X1,X0)),X0) = product(difference(X0,X1),quotient(X1,X0)),
    inference(forward_demodulation,[status(thm)],[f4647,f5175]) ).

fof(f5177,plain,
    ! [X0,X1] : product(quotient(X0,X1),product(X1,X1)) = product(difference(X1,X0),quotient(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f1308,f5176]) ).

fof(f5178,plain,
    ! [X0,X1] : product(quotient(X0,X1),X1) = product(difference(X1,X0),quotient(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f17,f5177]) ).

fof(f5179,plain,
    ! [X0,X1] : X0 = product(difference(X1,X0),quotient(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f15,f5178]) ).

fof(f5228,plain,
    ! [X0,X1] : difference(product(X0,difference(X0,X1)),product(product(difference(X0,X1),X0),X1)) = X0,
    inference(paramodulation,[status(thm)],[f1307,f4935]) ).

fof(f5229,plain,
    ! [X0,X1] : difference(X0,product(product(difference(X1,X0),X1),X0)) = X1,
    inference(forward_demodulation,[status(thm)],[f13,f5228]) ).

fof(f5230,plain,
    ! [X0,X1] : product(difference(X0,product(difference(X1,X0),X1)),X0) = X1,
    inference(forward_demodulation,[status(thm)],[f2653,f5229]) ).

fof(f5846,plain,
    ! [X0,X1] : difference(difference(X0,X1),X1) = quotient(X1,X0),
    inference(paramodulation,[status(thm)],[f5179,f12]) ).

fof(f5966,plain,
    ! [X0,X1] : difference(X0,product(X1,X0)) = quotient(product(X1,X0),X1),
    inference(paramodulation,[status(thm)],[f12,f5846]) ).

fof(f5967,plain,
    ! [X0,X1] : product(difference(X0,X1),X0) = quotient(product(X1,X0),X1),
    inference(forward_demodulation,[status(thm)],[f2653,f5966]) ).

fof(f5968,plain,
    ! [X0,X1] : product(difference(X0,X1),X0) = product(X1,quotient(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f2895,f5967]) ).

fof(f6657,plain,
    ! [X0,X1] : quotient(X0,X1) = difference(X1,product(difference(X0,X1),X0)),
    inference(paramodulation,[status(thm)],[f5230,f14]) ).

fof(f6848,plain,
    ! [X0,X1] : difference(quotient(X0,X1),product(difference(X0,X1),X0)) = quotient(product(difference(X0,X1),X0),X1),
    inference(paramodulation,[status(thm)],[f6657,f5846]) ).

fof(f6863,plain,
    ! [X0,X1] : quotient(product(difference(X0,X1),X0),quotient(X0,X1)) = X1,
    inference(paramodulation,[status(thm)],[f6657,f1261]) ).

fof(f6954,plain,
    ! [X0,X1] : difference(quotient(X0,X1),product(difference(X0,X1),X0)) = product(difference(quotient(X0,X1),X1),quotient(X0,X1)),
    inference(paramodulation,[status(thm)],[f6863,f2690]) ).

fof(f6955,plain,
    ! [X0,X1] : quotient(product(difference(X0,X1),X0),X1) = product(difference(quotient(X0,X1),X1),quotient(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f6848,f6954]) ).

fof(f6956,plain,
    ! [X0,X1] : quotient(product(difference(X0,X1),X0),X1) = product(X1,quotient(quotient(X0,X1),X1)),
    inference(forward_demodulation,[status(thm)],[f5968,f6955]) ).

fof(f7062,plain,
    ! [X0,X1] : quotient(product(X0,quotient(X1,X0)),X1) = difference(X1,X0),
    inference(paramodulation,[status(thm)],[f5968,f14]) ).

fof(f7246,plain,
    quotient(product(product(c,b),product(a,c)),product(a,b)) = difference(product(a,b),product(c,b)),
    inference(paramodulation,[status(thm)],[f1245,f7062]) ).

fof(f7247,plain,
    quotient(product(product(c,a),product(b,c)),product(a,b)) = difference(product(a,b),product(c,b)),
    inference(forward_demodulation,[status(thm)],[f16,f7246]) ).

fof(f7248,plain,
    quotient(bigC(c,a,b),product(a,b)) = difference(product(a,b),product(c,b)),
    inference(forward_demodulation,[status(thm)],[f19,f7247]) ).

fof(f7258,plain,
    ! [X0,X1] : quotient(product(difference(X0,X1),X0),X1) = difference(X1,difference(X0,X1)),
    inference(paramodulation,[status(thm)],[f1261,f7062]) ).

fof(f7294,plain,
    ! [X0,X1] : difference(X0,difference(X1,X0)) = product(X0,quotient(quotient(X1,X0),X0)),
    inference(backward_demodulation,[status(thm)],[f7258,f6956]) ).

fof(f7303,plain,
    ! [X0,X1] : product(difference(X0,X1),difference(X0,difference(X1,X0))) = X0,
    inference(backward_demodulation,[status(thm)],[f7294,f4269]) ).

fof(f7501,plain,
    ! [X0,X1] : difference(difference(X0,X1),X0) = difference(X0,difference(X1,X0)),
    inference(paramodulation,[status(thm)],[f7303,f12]) ).

fof(f7798,plain,
    ! [X0,X1] : difference(X0,X1) = difference(X1,difference(product(X1,X0),X1)),
    inference(paramodulation,[status(thm)],[f12,f7501]) ).

fof(f8087,plain,
    ! [X0,X1,X2,X3,X4,X5] : product(bigC(X0,X1,X2),product(X3,product(X4,X5))) = product(product(product(X0,X1),X3),product(product(X2,X4),product(X0,X5))),
    inference(paramodulation,[status(thm)],[f16,f1776]) ).

fof(f8089,plain,
    ! [X0,X1,X2,X3,X4] : product(bigC(X0,X1,X2),product(X3,product(X4,X2))) = product(product(product(X0,X1),X3),bigC(X2,X0,X4)),
    inference(paramodulation,[status(thm)],[f19,f1776]) ).

fof(f8096,plain,
    ! [X0,X1,X2,X3] : product(bigC(X0,X1,X2),product(X3,product(X2,X0))) = product(product(product(X0,X1),X3),product(X2,X0)),
    inference(paramodulation,[status(thm)],[f17,f1776]) ).

fof(f8789,plain,
    ! [X0,X1] : product(X0,difference(X1,X0)) = difference(product(X0,X1),X0),
    inference(paramodulation,[status(thm)],[f7798,f13]) ).

fof(f9358,plain,
    ! [X0,X1] : product(product(X0,difference(X1,X0)),product(X0,X1)) = product(X0,quotient(product(X0,X1),X0)),
    inference(paramodulation,[status(thm)],[f8789,f5968]) ).

fof(f9359,plain,
    ! [X0,X1] : product(product(X0,X0),product(difference(X1,X0),X1)) = product(X0,quotient(product(X0,X1),X0)),
    inference(forward_demodulation,[status(thm)],[f16,f9358]) ).

fof(f9360,plain,
    ! [X0,X1] : product(X0,product(difference(X1,product(X0,X0)),X1)) = product(X0,quotient(product(X0,X1),X0)),
    inference(forward_demodulation,[status(thm)],[f4194,f9359]) ).

fof(f9361,plain,
    ! [X0,X1] : product(X0,product(difference(X1,X0),X1)) = product(X0,quotient(product(X0,X1),X0)),
    inference(forward_demodulation,[status(thm)],[f17,f9360]) ).

fof(f9362,plain,
    ! [X0,X1] : product(difference(X0,X1),X1) = product(X1,quotient(product(X1,X0),X1)),
    inference(forward_demodulation,[status(thm)],[f5159,f9361]) ).

fof(f9363,plain,
    ! [X0,X1] : product(difference(X0,X1),X1) = product(X1,product(X1,quotient(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f2895,f9362]) ).

fof(f9364,plain,
    ! [X0,X1] : product(difference(X0,X1),X1) = difference(product(X0,X1),X1),
    inference(forward_demodulation,[status(thm)],[f4454,f9363]) ).

fof(f10771,plain,
    ! [X0,X1,X2] : bigC(quotient(bigC(X0,X0,X1),product(X0,X1)),product(X0,X1),X2) = product(bigC(X0,X0,X1),product(X2,product(X1,X0))),
    inference(paramodulation,[status(thm)],[f4701,f1387]) ).

fof(f10772,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X1,X0),X2) = product(bigC(X1,X1,X0),product(X2,product(X0,X1))),
    inference(forward_demodulation,[status(thm)],[f4701,f10771]) ).

fof(f10773,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X1,X0),X2) = product(product(product(X1,X1),X2),product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f8096,f10772]) ).

fof(f10774,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X1,X0),X2) = product(product(X1,X2),product(X0,X1)),
    inference(forward_demodulation,[status(thm)],[f17,f10773]) ).

fof(f10775,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X1,X0),X2) = bigC(X1,X2,X0),
    inference(forward_demodulation,[status(thm)],[f19,f10774]) ).

fof(f10776,plain,
    ! [X0,X1,X2] : bigC(product(X0,X1),product(X1,X0),X2) = product(product(product(X0,X1),X2),bigC(X0,X0,X1)),
    inference(paramodulation,[status(thm)],[f4701,f3975]) ).

fof(f10777,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = product(product(product(X2,X0),X1),bigC(X2,X2,X0)),
    inference(forward_demodulation,[status(thm)],[f10775,f10776]) ).

fof(f11099,plain,
    ! [X0,X1,X2,X3,X4] : bigC(product(X0,X1),product(X2,X3),X4) = product(product(product(X0,X2),X4),product(product(X1,X3),product(X0,X1))),
    inference(paramodulation,[status(thm)],[f19,f1774]) ).

fof(f11100,plain,
    ! [X0,X1,X2,X3,X4] : bigC(product(X0,X1),product(X2,X3),X4) = product(bigC(X0,X2,X1),product(X4,product(X3,X1))),
    inference(forward_demodulation,[status(thm)],[f8087,f11099]) ).

fof(f11814,plain,
    ! [X0,X1,X2,X3,X4] : bigC(product(X0,X1),product(X2,X3),X4) = product(product(product(X0,X2),X4),bigC(X1,X0,X3)),
    inference(backward_demodulation,[status(thm)],[f11100,f8089]) ).

fof(f11857,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(product(X2,X2),product(X0,X0),X1),
    inference(backward_demodulation,[status(thm)],[f11814,f10777]) ).

fof(f11858,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(X2,product(X0,X0),X1),
    inference(forward_demodulation,[status(thm)],[f17,f11857]) ).

fof(f11859,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(X2,X0,X1),
    inference(forward_demodulation,[status(thm)],[f17,f11858]) ).

fof(f12842,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(X1,X0,X2),
    inference(paramodulation,[status(thm)],[f1753,f11859]) ).

fof(f12852,plain,
    ! [X0,X1,X2] : bigC(X0,X1,X2) = bigC(X2,X1,X0),
    inference(paramodulation,[status(thm)],[f1753,f11859]) ).

fof(f12887,plain,
    ! [X0,X1,X2] : quotient(bigC(X0,X1,X2),product(X0,X1)) = product(X1,X2),
    inference(paramodulation,[status(thm)],[f11859,f1246]) ).

fof(f12928,plain,
    ! [X0,X1,X2] : quotient(bigC(X0,X1,X2),product(X1,X2)) = product(X2,X0),
    inference(paramodulation,[status(thm)],[f11859,f1246]) ).

fof(f13059,plain,
    ! [X0,X1,X2] : quotient(product(X0,X1),product(X1,X2)) = difference(product(X1,X2),product(X2,X0)),
    inference(backward_demodulation,[status(thm)],[f12887,f2836]) ).

fof(f13068,plain,
    product(b,c) = difference(product(a,b),product(c,b)),
    inference(backward_demodulation,[status(thm)],[f12928,f7248]) ).

fof(f33654,plain,
    quotient(product(c,b),bigC(product(b,c),b,product(b,a))) = product(a,b),
    inference(paramodulation,[status(thm)],[f2104,f14]) ).

fof(f33655,plain,
    quotient(product(c,b),bigC(product(b,a),b,product(b,c))) = product(a,b),
    inference(forward_demodulation,[status(thm)],[f12852,f33654]) ).

fof(f33656,plain,
    quotient(product(c,b),bigC(b,product(b,a),product(b,c))) = product(a,b),
    inference(forward_demodulation,[status(thm)],[f12842,f33655]) ).

fof(f33657,plain,
    difference(product(a,b),product(c,b)) = bigC(product(b,c),b,product(b,a)),
    inference(paramodulation,[status(thm)],[f2104,f12]) ).

fof(f33658,plain,
    product(b,c) = bigC(product(b,c),b,product(b,a)),
    inference(forward_demodulation,[status(thm)],[f13068,f33657]) ).

fof(f33659,plain,
    product(b,c) = bigC(product(b,a),b,product(b,c)),
    inference(forward_demodulation,[status(thm)],[f12852,f33658]) ).

fof(f33660,plain,
    product(b,c) = bigC(b,product(b,a),product(b,c)),
    inference(forward_demodulation,[status(thm)],[f12842,f33659]) ).

fof(f33736,plain,
    quotient(product(c,b),product(b,c)) = product(a,b),
    inference(backward_demodulation,[status(thm)],[f33660,f33656]) ).

fof(f33737,plain,
    difference(product(b,c),product(c,c)) = product(a,b),
    inference(forward_demodulation,[status(thm)],[f13059,f33736]) ).

fof(f33738,plain,
    difference(product(b,c),c) = product(a,b),
    inference(forward_demodulation,[status(thm)],[f17,f33737]) ).

fof(f33739,plain,
    product(difference(b,c),c) = product(a,b),
    inference(forward_demodulation,[status(thm)],[f9364,f33738]) ).

fof(f37317,plain,
    ! [X0] : product(c,product(X0,c)) = product(product(b,X0),product(a,b)),
    inference(paramodulation,[status(thm)],[f33739,f1779]) ).

fof(f37318,plain,
    ! [X0] : bigC(c,c,X0) = product(product(b,X0),product(a,b)),
    inference(forward_demodulation,[status(thm)],[f1109,f37317]) ).

fof(f37319,plain,
    ! [X0] : bigC(c,c,X0) = bigC(b,X0,a),
    inference(forward_demodulation,[status(thm)],[f19,f37318]) ).

fof(f37320,plain,
    ! [X0] : bigC(c,c,X0) = bigC(a,X0,b),
    inference(forward_demodulation,[status(thm)],[f12852,f37319]) ).

fof(f37483,plain,
    bigC(a,b,sk0_0) != bigC(a,sk0_0,b),
    inference(backward_demodulation,[status(thm)],[f37320,f23]) ).

fof(f37484,plain,
    bigC(a,b,sk0_0) != bigC(a,b,sk0_0),
    inference(forward_demodulation,[status(thm)],[f1753,f37483]) ).

fof(f37485,plain,
    $false,
    inference(trivial_equality_resolution,[status(esa)],[f37484]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.10  % Problem  : GRP777+1 : TPTP v8.1.2. Released v4.1.0.
% 0.02/0.10  % Command  : drodi -learnfrom(drodi.lrn) -timeout(%d) %s
% 0.09/0.31  % Computer : n019.cluster.edu
% 0.09/0.31  % Model    : x86_64 x86_64
% 0.09/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.31  % Memory   : 8042.1875MB
% 0.09/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.31  % CPULimit : 300
% 0.09/0.31  % WCLimit  : 300
% 0.09/0.31  % DateTime : Tue May 30 11:28:25 EDT 2023
% 0.09/0.31  % CPUTime  : 
% 0.09/0.31  % Drodi V3.5.1
% 99.77/12.97  % Refutation found
% 99.77/12.97  % SZS status Theorem for theBenchmark: Theorem is valid
% 99.77/12.97  % SZS output start CNFRefutation for theBenchmark
% See solution above
% 101.32/13.18  % Elapsed time: 12.853612 seconds
% 101.32/13.18  % CPU time: 101.037677 seconds
% 101.32/13.18  % Memory used: 799.254 MB
%------------------------------------------------------------------------------