TSTP Solution File: GRP548-1 by Moca---0.1

View Problem - Process Solution

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% File     : Moca---0.1
% Problem  : GRP548-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : moca.sh %s

% Computer : n008.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 10:56:11 EDT 2022

% Result   : Unsatisfiable 12.96s 13.06s
% Output   : Proof 12.96s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : GRP548-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.08/0.13  % Command  : moca.sh %s
% 0.12/0.34  % Computer : n008.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Tue Jun 14 09:28:07 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 12.96/13.06  % SZS status Unsatisfiable
% 12.96/13.06  % SZS output start Proof
% 12.96/13.06  The input problem is unsatisfiable because
% 12.96/13.06  
% 12.96/13.06  [1] the following set of Horn clauses is unsatisfiable:
% 12.96/13.06  
% 12.96/13.06  	divide(divide(identity, divide(A, B)), divide(divide(B, C), A)) = C
% 12.96/13.06  	multiply(A, B) = divide(A, divide(identity, B))
% 12.96/13.06  	inverse(A) = divide(identity, A)
% 12.96/13.06  	identity = divide(A, A)
% 12.96/13.06  	multiply(a, b) = multiply(b, a) ==> \bottom
% 12.96/13.06  
% 12.96/13.06  This holds because
% 12.96/13.06  
% 12.96/13.06  [2] the following E entails the following G (Claessen-Smallbone's transformation (2018)):
% 12.96/13.06  
% 12.96/13.06  E:
% 12.96/13.06  	divide(divide(identity, divide(A, B)), divide(divide(B, C), A)) = C
% 12.96/13.06  	f1(multiply(a, b)) = true__
% 12.96/13.06  	f1(multiply(b, a)) = false__
% 12.96/13.06  	identity = divide(A, A)
% 12.96/13.06  	inverse(A) = divide(identity, A)
% 12.96/13.06  	multiply(A, B) = divide(A, divide(identity, B))
% 12.96/13.06  G:
% 12.96/13.06  	true__ = false__
% 12.96/13.06  
% 12.96/13.06  This holds because
% 12.96/13.06  
% 12.96/13.06  [3] E entails the following ordered TRS and the lhs and rhs of G join by the TRS:
% 12.96/13.06  
% 12.96/13.06  	divide(X0, Y1) = divide(divide(identity, Y1), divide(identity, X0))
% 12.96/13.06  	divide(X1, divide(Y1, divide(identity, X1))) = divide(identity, Y1)
% 12.96/13.06  	divide(Y0, divide(identity, X1)) = divide(X1, divide(identity, Y0))
% 12.96/13.06  	divide(divide(X1, X0), Y1) = divide(divide(identity, Y1), divide(X0, X1))
% 12.96/13.06  	divide(divide(identity, X0), X1) = divide(divide(identity, X1), X0)
% 12.96/13.06  	divide(identity, divide(X1, Y0)) = divide(Y0, X1)
% 12.96/13.06  	divide(A, A) -> identity
% 12.96/13.06  	divide(Y0, divide(Y0, Y1)) -> Y1
% 12.96/13.06  	divide(Y0, divide(divide(identity, Y1), divide(identity, Y0))) -> Y1
% 12.96/13.06  	divide(Y0, divide(identity, divide(Y1, Y0))) -> Y1
% 12.96/13.06  	divide(Y0, identity) -> Y0
% 12.96/13.06  	divide(divide(X0, X1), X0) -> divide(identity, X1)
% 12.96/13.06  	divide(divide(X0, X1), divide(identity, divide(X1, X0))) -> identity
% 12.96/13.06  	divide(divide(X1, X0), divide(Y1, divide(X0, X1))) -> divide(identity, Y1)
% 12.96/13.06  	divide(divide(Y0, divide(X0, X1)), divide(X1, X0)) -> Y0
% 12.96/13.06  	divide(divide(Y1, X1), divide(identity, X1)) -> Y1
% 12.96/13.06  	divide(divide(false__, divide(Y0, divide(identity, false__))), divide(identity, Y0)) -> identity
% 12.96/13.06  	divide(divide(identity, Y0), divide(X0, Y0)) -> divide(identity, X0)
% 12.96/13.06  	divide(divide(identity, Y0), divide(divide(identity, Y1), Y0)) -> Y1
% 12.96/13.06  	divide(divide(identity, Y1), divide(identity, divide(Y1, X1))) -> divide(identity, X1)
% 12.96/13.06  	divide(divide(identity, divide(A, B)), divide(divide(B, C), A)) -> C
% 12.96/13.06  	divide(divide(identity, divide(Y0, Y1)), divide(Y1, Y0)) -> identity
% 12.96/13.06  	divide(divide(identity, divide(Y0, Y1)), divide(identity, Y0)) -> Y1
% 12.96/13.06  	divide(divide(identity, divide(divide(identity, Y0), Y1)), Y0) -> Y1
% 12.96/13.06  	divide(divide(identity, divide(divide(identity, Y1), X1)), X1) -> Y1
% 12.96/13.06  	divide(false__, multiply(divide(X1, Y0), false__)) -> divide(Y0, X1)
% 12.96/13.06  	divide(identity, divide(divide(identity, X1), Y0)) -> divide(X1, divide(identity, Y0))
% 12.96/13.06  	divide(identity, divide(divide(identity, X1), divide(Y1, X1))) -> Y1
% 12.96/13.06  	divide(identity, divide(divide(identity, X1), divide(identity, X0))) -> divide(X1, X0)
% 12.96/13.06  	divide(inverse(divide(divide(Y1, Y2), Y1)), identity) -> Y2
% 12.96/13.06  	divide(inverse(identity), divide(divide(Y1, Y2), Y1)) -> Y2
% 12.96/13.06  	f1(divide(a, divide(identity, b))) -> true__
% 12.96/13.06  	f1(divide(b, divide(identity, a))) -> false__
% 12.96/13.06  	f1(divide(identity, divide(divide(identity, b), a))) -> true__
% 12.96/13.06  	inverse(A) -> divide(identity, A)
% 12.96/13.06  	inverse(divide(divide(Y0, Y1), Y0)) -> Y1
% 12.96/13.06  	multiply(A, B) -> divide(A, divide(identity, B))
% 12.96/13.06  	multiply(divide(false__, multiply(Y1, false__)), Y1) -> identity
% 12.96/13.06  	true__ -> false__
% 12.96/13.06  with the LPO induced by
% 12.96/13.06  	a > b > f1 > multiply > inverse > divide > identity > true__ > false__
% 12.96/13.06  
% 12.96/13.06  % SZS output end Proof
% 12.96/13.06  
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