TSTP Solution File: LCL356-1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : LCL356-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %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 : Sun Jul 17 12:51:42 EDT 2022

% Result   : Unsatisfiable 0.97s 1.22s
% Output   : CNFRefutation 0.97s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   15 (   8 unt;   0 nHn;   8 RR)
%            Number of literals    :   25 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :   43 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(condensed_detachment,axiom,
    ( ~ is_a_theorem(implies(X,Y))
    | ~ is_a_theorem(X)
    | is_a_theorem(Y) ) ).

cnf(cn_1,axiom,
    is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) ).

cnf(prove_cn_05,negated_conjecture,
    ~ is_a_theorem(implies(implies(x,implies(y,z)),implies(implies(u,y),implies(x,implies(u,z))))) ).

cnf(refute_0_0,plain,
    ( ~ is_a_theorem(implies(X,Y))
    | ~ is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z))))
    | is_a_theorem(implies(implies(Y,Z),implies(X,Z))) ),
    inference(subst,[],[condensed_detachment:[bind(X,$fot(implies(X,Y))),bind(Y,$fot(implies(implies(Y,Z),implies(X,Z))))]]) ).

cnf(refute_0_1,plain,
    ( ~ is_a_theorem(implies(X,Y))
    | is_a_theorem(implies(implies(Y,Z),implies(X,Z))) ),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) )],[cn_1,refute_0_0]) ).

cnf(refute_0_2,plain,
    ( ~ is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z))))
    | is_a_theorem(implies(implies(implies(implies(Y,Z),implies(X,Z)),X_25),implies(implies(X,Y),X_25))) ),
    inference(subst,[],[refute_0_1:[bind(X,$fot(implies(X,Y))),bind(Y,$fot(implies(implies(Y,Z),implies(X,Z)))),bind(Z,$fot(X_25))]]) ).

cnf(refute_0_3,plain,
    is_a_theorem(implies(implies(implies(implies(Y,Z),implies(X,Z)),X_25),implies(implies(X,Y),X_25))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) )],[cn_1,refute_0_2]) ).

cnf(refute_0_4,plain,
    is_a_theorem(implies(implies(implies(implies(Y,Z),implies(X,Z)),implies(X_1490,implies(X,Z))),implies(implies(X,Y),implies(X_1490,implies(X,Z))))),
    inference(subst,[],[refute_0_3:[bind(X_25,$fot(implies(X_1490,implies(X,Z))))]]) ).

cnf(refute_0_5,plain,
    ( ~ is_a_theorem(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86))
    | ~ is_a_theorem(implies(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86),implies(implies(X_83,X_84),X_86)))
    | is_a_theorem(implies(implies(X_83,X_84),X_86)) ),
    inference(subst,[],[condensed_detachment:[bind(X,$fot(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86))),bind(Y,$fot(implies(implies(X_83,X_84),X_86)))]]) ).

cnf(refute_0_6,plain,
    is_a_theorem(implies(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86),implies(implies(X_83,X_84),X_86))),
    inference(subst,[],[refute_0_3:[bind(X,$fot(X_83)),bind(Y,$fot(X_84)),bind(Z,$fot(X_85)),bind(X_25,$fot(X_86))]]) ).

cnf(refute_0_7,plain,
    ( ~ is_a_theorem(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86))
    | is_a_theorem(implies(implies(X_83,X_84),X_86)) ),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(implies(implies(X_84,X_85),implies(X_83,X_85)),X_86),implies(implies(X_83,X_84),X_86))) )],[refute_0_6,refute_0_5]) ).

cnf(refute_0_8,plain,
    ( ~ is_a_theorem(implies(implies(implies(implies(Y,Z),implies(X,Z)),implies(X_1490,implies(X,Z))),implies(implies(X,Y),implies(X_1490,implies(X,Z)))))
    | is_a_theorem(implies(implies(X_1490,implies(Y,Z)),implies(implies(X,Y),implies(X_1490,implies(X,Z))))) ),
    inference(subst,[],[refute_0_7:[bind(X_83,$fot(X_1490)),bind(X_84,$fot(implies(Y,Z))),bind(X_85,$fot(implies(X,Z))),bind(X_86,$fot(implies(implies(X,Y),implies(X_1490,implies(X,Z)))))]]) ).

cnf(refute_0_9,plain,
    is_a_theorem(implies(implies(X_1490,implies(Y,Z)),implies(implies(X,Y),implies(X_1490,implies(X,Z))))),
    inference(resolve,[$cnf( is_a_theorem(implies(implies(implies(implies(Y,Z),implies(X,Z)),implies(X_1490,implies(X,Z))),implies(implies(X,Y),implies(X_1490,implies(X,Z))))) )],[refute_0_4,refute_0_8]) ).

cnf(refute_0_10,plain,
    is_a_theorem(implies(implies(x,implies(y,z)),implies(implies(u,y),implies(x,implies(u,z))))),
    inference(subst,[],[refute_0_9:[bind(X,$fot(u)),bind(Y,$fot(y)),bind(Z,$fot(z)),bind(X_1490,$fot(x))]]) ).

cnf(refute_0_11,plain,
    $false,
    inference(resolve,[$cnf( is_a_theorem(implies(implies(x,implies(y,z)),implies(implies(u,y),implies(x,implies(u,z))))) )],[refute_0_10,prove_cn_05]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL356-1 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n008.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 01:08:08 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.97/1.22  % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.97/1.22  
% 0.97/1.22  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.97/1.22  
%------------------------------------------------------------------------------