TSTP Solution File: GRP598-1 by Moca---0.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Moca---0.1
% Problem  : GRP598-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : moca.sh %s

% Computer : n028.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 10:56:32 EDT 2022

% Result   : Unsatisfiable 8.53s 8.64s
% Output   : Proof 8.53s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : GRP598-1 : TPTP v8.1.0. Released v2.6.0.
% 0.11/0.13  % Command  : moca.sh %s
% 0.13/0.34  % Computer : n028.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 10:19:54 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 8.53/8.64  % SZS status Unsatisfiable
% 8.53/8.64  % SZS output start Proof
% 8.53/8.64  The input problem is unsatisfiable because
% 8.53/8.64  
% 8.53/8.64  [1] the following set of Horn clauses is unsatisfiable:
% 8.53/8.64  
% 8.53/8.64  	double_divide(double_divide(A, B), inverse(double_divide(A, inverse(double_divide(inverse(C), B))))) = C
% 8.53/8.64  	multiply(A, B) = inverse(double_divide(B, A))
% 8.53/8.64  	multiply(multiply(inverse(b2), b2), a2) = a2 ==> \bottom
% 8.53/8.64  
% 8.53/8.64  This holds because
% 8.53/8.64  
% 8.53/8.64  [2] the following E entails the following G (Claessen-Smallbone's transformation (2018)):
% 8.53/8.64  
% 8.53/8.64  E:
% 8.53/8.64  	double_divide(double_divide(A, B), inverse(double_divide(A, inverse(double_divide(inverse(C), B))))) = C
% 8.53/8.64  	f1(a2) = false__
% 8.53/8.64  	f1(multiply(multiply(inverse(b2), b2), a2)) = true__
% 8.53/8.64  	multiply(A, B) = inverse(double_divide(B, A))
% 8.53/8.64  G:
% 8.53/8.64  	true__ = false__
% 8.53/8.64  
% 8.53/8.64  This holds because
% 8.53/8.64  
% 8.53/8.64  [3] E entails the following ordered TRS and the lhs and rhs of G join by the TRS:
% 8.53/8.64  
% 8.53/8.64  	double_divide(X0, inverse(double_divide(X1, inverse(X1)))) = inverse(X0)
% 8.53/8.64  	double_divide(X1, inverse(Y2)) = double_divide(inverse(Y2), inverse(inverse(X1)))
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(inverse(X0), X0))) = inverse(Y0)
% 8.53/8.64  	double_divide(Y1, inverse(Y1)) = double_divide(X0, inverse(X0))
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(Y0)), X0) = inverse(X0)
% 8.53/8.64  	double_divide(inverse(X0), X0) = double_divide(Y1, inverse(Y1))
% 8.53/8.64  	double_divide(X0, inverse(double_divide(double_divide(double_divide(inverse(X0), X1), inverse(double_divide(inverse(X2), X1))), inverse(double_divide(inverse(Y2), inverse(X2)))))) -> Y2
% 8.53/8.64  	double_divide(X0, inverse(double_divide(inverse(X0), inverse(Y2)))) -> Y2
% 8.53/8.64  	double_divide(X1, inverse(double_divide(Y0, inverse(double_divide(inverse(Y2), inverse(double_divide(inverse(X1), inverse(Y0)))))))) -> Y2
% 8.53/8.64  	double_divide(X2, inverse(double_divide(double_divide(X0, X1), inverse(double_divide(inverse(Y2), inverse(double_divide(X0, inverse(double_divide(inverse(X2), X1))))))))) -> Y2
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(X0, inverse(double_divide(inverse(Y3), inverse(double_divide(double_divide(double_divide(inverse(X0), X1), inverse(double_divide(inverse(X2), X1))), inverse(double_divide(inverse(Y0), inverse(X2)))))))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(X2, inverse(double_divide(inverse(Y3), inverse(double_divide(double_divide(X0, X1), inverse(double_divide(inverse(Y0), inverse(double_divide(X0, inverse(double_divide(inverse(X2), X1))))))))))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(X2, inverse(double_divide(inverse(Y3), inverse(double_divide(double_divide(double_divide(double_divide(inverse(X0), X1), inverse(double_divide(inverse(double_divide(inverse(X2), X3)), X1))), X3), inverse(double_divide(inverse(Y0), inverse(X0)))))))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(X3, inverse(double_divide(inverse(Y3), inverse(double_divide(Y1, inverse(double_divide(inverse(Y0), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(Y1), X2))))))))))))))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(double_divide(Y1, inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y0)), X2))))))))), inverse(double_divide(inverse(Y3), inverse(double_divide(Y1, inverse(X3)))))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(double_divide(double_divide(double_divide(double_divide(inverse(double_divide(inverse(Y0), Y2)), X1), inverse(double_divide(inverse(double_divide(inverse(X2), X3)), X1))), X3), Y2), inverse(double_divide(inverse(Y3), inverse(X2)))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(double_divide(double_divide(double_divide(inverse(X0), X1), inverse(double_divide(inverse(double_divide(inverse(Y0), Y2)), X1))), Y2), inverse(double_divide(inverse(Y3), inverse(X0)))))) -> Y3
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(double_divide(inverse(X1), inverse(inverse(Y0))), inverse(double_divide(inverse(Y2), inverse(X1)))))) -> Y2
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(inverse(Y2), inverse(double_divide(inverse(Y0), inverse(double_divide(X0, inverse(X0)))))))) -> Y2
% 8.53/8.64  	double_divide(Y0, inverse(double_divide(inverse(Y3), inverse(Y0)))) -> Y3
% 8.53/8.64  	double_divide(Y1, inverse(double_divide(inverse(Y2), inverse(double_divide(inverse(double_divide(X0, inverse(X0))), inverse(Y1)))))) -> Y2
% 8.53/8.64  	double_divide(double_divide(A, B), inverse(double_divide(A, inverse(double_divide(inverse(C), B))))) -> C
% 8.53/8.64  	double_divide(double_divide(X1, inverse(X0)), inverse(inverse(X1))) -> inverse(X0)
% 8.53/8.64  	double_divide(double_divide(X1, inverse(double_divide(inverse(X2), inverse(double_divide(inverse(inverse(Y1)), inverse(X1)))))), inverse(X2)) -> Y1
% 8.53/8.64  	double_divide(double_divide(X1, inverse(double_divide(inverse(Y2), inverse(double_divide(inverse(X1), inverse(inverse(Y0))))))), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(X3, inverse(double_divide(inverse(Y2), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y0)), X2))))))))))), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(X3, inverse(double_divide(inverse(Y2), inverse(double_divide(double_divide(double_divide(inverse(inverse(Y0)), X1), inverse(double_divide(inverse(X2), X1))), inverse(double_divide(inverse(X3), inverse(X2)))))))), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(Y0, X0), X0) -> Y0
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(Y0)), inverse(Y2)) -> Y2
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(Y2)), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(X1, inverse(X1)))), inverse(double_divide(Y0, inverse(Y2)))) -> Y2
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(X1, inverse(X1)))), inverse(double_divide(false__, inverse(false__)))) -> Y0
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y2)), X2))))))))), inverse(double_divide(Y0, inverse(X3)))) -> Y2
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(double_divide(double_divide(inverse(inverse(Y2)), X1), inverse(double_divide(inverse(X2), X1))), inverse(double_divide(inverse(X3), inverse(X2)))))), inverse(double_divide(Y0, inverse(X3)))) -> Y2
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(inverse(X1), inverse(inverse(Y2))))), inverse(double_divide(Y0, inverse(X1)))) -> Y2
% 8.53/8.64  	double_divide(double_divide(Y0, inverse(double_divide(inverse(double_divide(inverse(X1), inverse(Y0))), inverse(inverse(Y2))))), inverse(X1)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(X0, inverse(X0)), Y1), inverse(double_divide(inverse(Y2), Y1))) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(X1, inverse(double_divide(inverse(double_divide(inverse(Y2), Y3)), inverse(double_divide(inverse(X1), inverse(inverse(Y0))))))), Y3), inverse(Y0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(X3, inverse(double_divide(inverse(double_divide(inverse(Y2), Y3)), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y0)), X2))))))))))), Y3), inverse(Y0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(double_divide(double_divide(double_divide(inverse(double_divide(inverse(X0), X1)), X2), inverse(double_divide(inverse(double_divide(inverse(double_divide(inverse(Y2), Y1)), X4)), X2))), X4), X1), Y1), inverse(X0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(double_divide(double_divide(inverse(double_divide(inverse(Y2), Y1)), X1), inverse(double_divide(inverse(double_divide(inverse(X2), X3)), X1))), X3), Y1), inverse(X2)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(double_divide(inverse(X0), X1), inverse(double_divide(inverse(double_divide(inverse(Y2), Y1)), X1))), Y1), inverse(X0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(double_divide(inverse(Y0), Y1), inverse(double_divide(inverse(X3), Y1))), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y2)), X2))))))))), inverse(Y0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(double_divide(inverse(Y0), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(double_divide(inverse(Y2), Y3))), X2))))))))), inverse(X3)), Y3), inverse(Y0)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(X1), inverse(inverse(Y2))), inverse(double_divide(inverse(X1), inverse(inverse(Y0))))), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(Y0), inverse(double_divide(double_divide(X1, X2), inverse(double_divide(inverse(X3), inverse(double_divide(X1, inverse(double_divide(inverse(inverse(Y2)), X2))))))))), inverse(X3)), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(Y0), inverse(double_divide(double_divide(double_divide(inverse(inverse(Y2)), X1), inverse(double_divide(inverse(X2), X1))), inverse(double_divide(inverse(X3), inverse(X2)))))), inverse(X3)), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(Y0), inverse(double_divide(inverse(X1), inverse(inverse(Y2))))), inverse(X1)), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(Y0), inverse(inverse(Y2))), inverse(double_divide(X1, inverse(X1)))), inverse(Y2)) -> Y0
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(Y2), X1), inverse(double_divide(inverse(X2), X1))), inverse(X2)) -> Y2
% 8.53/8.64  	double_divide(double_divide(double_divide(inverse(double_divide(inverse(Y2), Y1)), inverse(inverse(X1))), Y1), inverse(X1)) -> Y2
% 8.53/8.64  	double_divide(double_divide(inverse(X0), X0), inverse(Y1)) -> Y1
% 8.53/8.64  	double_divide(double_divide(inverse(X1), inverse(inverse(Y1))), inverse(X1)) -> Y1
% 8.53/8.64  	double_divide(inverse(X1), inverse(double_divide(X1, inverse(Y1)))) -> Y1
% 8.53/8.64  	double_divide(inverse(Y1), inverse(double_divide(X0, inverse(X0)))) -> Y1
% 8.53/8.64  	double_divide(inverse(double_divide(X0, inverse(X0))), inverse(Y1)) -> Y1
% 8.53/8.64  	double_divide(inverse(inverse(Y0)), inverse(X1)) -> double_divide(Y0, inverse(X1))
% 8.53/8.64  	f1(a2) -> false__
% 8.53/8.64  	f1(inverse(double_divide(a2, inverse(double_divide(b2, inverse(b2)))))) -> true__
% 8.53/8.64  	f1(multiply(multiply(inverse(b2), b2), a2)) -> true__
% 8.53/8.64  	inverse(inverse(Y1)) -> Y1
% 8.53/8.64  	multiply(A, B) -> inverse(double_divide(B, A))
% 8.53/8.64  	true__ -> false__
% 8.53/8.64  with the LPO induced by
% 8.53/8.64  	b2 > a2 > f1 > multiply > inverse > double_divide > true__ > false__
% 8.53/8.64  
% 8.53/8.64  % SZS output end Proof
% 8.53/8.64  
%------------------------------------------------------------------------------