TSTP Solution File: LCL046-1 by Moca---0.1

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Moca---0.1
% Problem  : LCL046-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : moca.sh %s

% Computer : n010.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 : Sun Jul 17 12:57:35 EDT 2022

% Result   : Unsatisfiable 2.56s 2.69s
% Output   : Proof 2.56s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL046-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : moca.sh %s
% 0.12/0.33  % Computer : n010.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Mon Jul  4 14:08:02 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.56/2.69  % SZS status Unsatisfiable
% 2.56/2.69  % SZS output start Proof
% 2.56/2.69  The input problem is unsatisfiable because
% 2.56/2.69  
% 2.56/2.69  [1] the following set of Horn clauses is unsatisfiable:
% 2.56/2.69  
% 2.56/2.69  	is_a_theorem(implies(X, Y)) & is_a_theorem(X) ==> is_a_theorem(Y)
% 2.56/2.69  	is_a_theorem(implies(implies(X, Y), implies(implies(Y, Z), implies(X, Z))))
% 2.56/2.69  	is_a_theorem(implies(implies(not(X), X), X))
% 2.56/2.69  	is_a_theorem(implies(X, implies(not(X), Y)))
% 2.56/2.69  	is_a_theorem(implies(a, a)) ==> \bottom
% 2.56/2.69  
% 2.56/2.69  This holds because
% 2.56/2.69  
% 2.56/2.69  [2] the following E entails the following G (Claessen-Smallbone's transformation (2018)):
% 2.56/2.69  
% 2.56/2.69  E:
% 2.56/2.69  	f1(true__, Y) = is_a_theorem(Y)
% 2.56/2.69  	f2(is_a_theorem(X), X, Y) = true__
% 2.56/2.69  	f2(true__, X, Y) = f1(is_a_theorem(implies(X, Y)), Y)
% 2.56/2.69  	f3(is_a_theorem(implies(a, a))) = true__
% 2.56/2.69  	f3(true__) = false__
% 2.56/2.69  	is_a_theorem(implies(X, implies(not(X), Y))) = true__
% 2.56/2.69  	is_a_theorem(implies(implies(X, Y), implies(implies(Y, Z), implies(X, Z)))) = true__
% 2.56/2.69  	is_a_theorem(implies(implies(not(X), X), X)) = true__
% 2.56/2.69  G:
% 2.56/2.69  	true__ = false__
% 2.56/2.69  
% 2.56/2.69  This holds because
% 2.56/2.69  
% 2.56/2.69  [3] E entails the following ordered TRS and the lhs and rhs of G join by the TRS:
% 2.56/2.69  
% 2.56/2.69  
% 2.56/2.69  	f1(f1(true__, implies(implies(X0, X0), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(X0, implies(not(X0), X1)), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(X0, X1), implies(implies(X1, X2), implies(X0, X2))), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(X0, X1), implies(implies(not(X0), X0), X1)), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(implies(not(X0), X1), X2), implies(X0, X2)), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(not(X0), X0), X0), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(not(X0), X0), implies(not(X0), X1)), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(implies(not(implies(not(X0), X0)), implies(not(X0), X0)), X0), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(not(implies(X0, implies(not(X0), X1))), X2), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(not(implies(implies(not(X0), X0), X0)), X1), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(not(implies(not(implies(X0, implies(not(X0), X1))), X2)), X3), Y1)), Y1) -> true__
% 2.56/2.69  	f1(f1(true__, implies(implies(not(implies(not(implies(implies(not(X0), X0), X0)), X1)), X2), Y1)), Y1) -> true__
% 2.56/2.69  	f1(true__, implies(X0, implies(not(implies(not(X0), X1)), Y1))) -> true__
% 2.56/2.69  	f1(true__, implies(Y0, Y0)) -> true__
% 2.56/2.69  	f1(true__, implies(Y0, implies(not(Y0), Y1))) -> true__
% 2.56/2.69  	f1(true__, implies(implies(Y0, X2), implies(implies(not(Y0), Y0), X2))) -> true__
% 2.56/2.69  	f1(true__, implies(implies(Y0, Y1), implies(implies(Y1, Y2), implies(Y0, Y2)))) -> true__
% 2.56/2.69  	f1(true__, implies(implies(implies(not(Y0), Y1), X2), implies(Y0, X2))) -> true__
% 2.56/2.69  	f1(true__, implies(implies(not(Y0), Y0), Y0)) -> true__
% 2.56/2.69  	f1(true__, implies(implies(not(Y0), Y0), implies(not(Y0), Y1))) -> true__
% 2.56/2.69  	f1(true__, implies(implies(not(implies(not(Y0), Y0)), implies(not(Y0), Y0)), Y0)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(Y0, implies(not(Y0), Y1))), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(Y0, Y1), implies(implies(Y1, Y2), implies(Y0, Y2)))), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(Y0, Y1), implies(implies(not(Y0), Y0), Y1))), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(implies(not(Y0), Y1), Y2), implies(Y0, Y2))), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(not(Y0), Y0), Y0)), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(not(Y0), Y0), implies(not(Y0), Y1))), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(implies(not(implies(not(Y0), Y0)), implies(not(Y0), Y0)), Y0)), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(not(implies(Y0, implies(not(Y0), Y1))), Y2)), X1)) -> true__
% 2.56/2.69  	f1(true__, implies(not(implies(not(implies(implies(not(Y0), Y0), Y0)), Y1)), X1)) -> true__
% 2.56/2.69  	f2(f1(true__, Y0), Y0, Y1) -> true__
% 2.56/2.69  	f2(true__, X, Y) -> f1(f1(true__, implies(X, Y)), Y)
% 2.56/2.69  	f3(f1(true__, implies(a, a))) -> true__
% 2.56/2.69  	f3(true__) -> false__
% 2.56/2.69  	false__ -> true__
% 2.56/2.69  	is_a_theorem(Y) -> f1(true__, Y)
% 2.56/2.69  with the LPO induced by
% 2.56/2.69  	not > a > f2 > implies > f3 > is_a_theorem > f1 > false__ > true__
% 2.56/2.69  
% 2.56/2.69  % SZS output end Proof
% 2.56/2.69  
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