TSTP Solution File: LCL360-1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : LCL360-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n009.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 12:51:43 EDT 2022

% Result   : Unsatisfiable 0.12s 0.35s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    4
% Syntax   : Number of clauses     :   11 (   7 unt;   0 nHn;   5 RR)
%            Number of literals    :   17 (   0 equ;   7 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;   3 con; 0-2 aty)
%            Number of variables   :   21 (   3 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(cn_3,axiom,
    is_a_theorem(implies(X,implies(not(X),Y))) ).

cnf(prove_cn_09,negated_conjecture,
    ~ is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))) ).

cnf(refute_0_0,plain,
    is_a_theorem(implies(X_29,implies(not(X_29),Y))),
    inference(subst,[],[cn_3:[bind(X,$fot(X_29))]]) ).

cnf(refute_0_1,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_2,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_1]) ).

cnf(refute_0_3,plain,
    ( ~ is_a_theorem(implies(X_29,implies(not(X_29),Y)))
    | is_a_theorem(implies(implies(implies(not(X_29),Y),X_31),implies(X_29,X_31))) ),
    inference(subst,[],[refute_0_2:[bind(X,$fot(X_29)),bind(Y,$fot(implies(not(X_29),Y))),bind(Z,$fot(X_31))]]) ).

cnf(refute_0_4,plain,
    is_a_theorem(implies(implies(implies(not(X_29),Y),X_31),implies(X_29,X_31))),
    inference(resolve,[$cnf( is_a_theorem(implies(X_29,implies(not(X_29),Y))) )],[refute_0_0,refute_0_3]) ).

cnf(refute_0_5,plain,
    is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))),
    inference(subst,[],[refute_0_4:[bind(Y,$fot(y)),bind(X_29,$fot(x)),bind(X_31,$fot(z))]]) ).

cnf(refute_0_6,plain,
    $false,
    inference(resolve,[$cnf( is_a_theorem(implies(implies(implies(not(x),y),z),implies(x,z))) )],[refute_0_5,prove_cn_09]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL360-1 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n009.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 : Sat Jul  2 09:44:07 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.35  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.35  
% 0.12/0.35  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.35  
%------------------------------------------------------------------------------