TSTP Solution File: LCL362-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL362-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n027.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 14:36:28 EDT 2022

% Result   : Unsatisfiable 0.16s 0.44s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   24 (  16 unt;   0 nHn;  24 RR)
%            Number of literals    :   34 (   0 equ;  12 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    file('LCL362-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    file('LCL362-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),u)),
    file('LCL362-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL362-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(x__dfg,implies__dfg(implies__dfg(not__dfg(y__dfg),y__dfg),y__dfg)),implies__dfg(implies__dfg(not__dfg(y__dfg),y__dfg),y__dfg))),
    file('LCL362-1.p',unknown),
    [] ).

cnf(13,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(v,w),implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(17,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),x),implies__dfg(implies__dfg(w,u),x))),
    inference(sor,[status(thm)],[13,2]),
    [iquote('0:SoR:13.0,2.0')] ).

cnf(18,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),v),w),implies__dfg(u,w))),
    inference(sor,[status(thm)],[13,4]),
    [iquote('0:SoR:13.0,4.0')] ).

cnf(19,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(not__dfg(u),u),v))),
    inference(sor,[status(thm)],[13,3]),
    [iquote('0:SoR:13.0,3.0')] ).

cnf(21,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),w))
    | is_a_theorem(implies__dfg(u,w)) ),
    inference(res,[status(thm),theory(equality)],[18,1]),
    [iquote('0:Res:18.0,1.1')] ).

cnf(22,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),v),w),implies__dfg(implies__dfg(u,v),w))),
    inference(sor,[status(thm)],[13,19]),
    [iquote('0:SoR:13.0,19.0')] ).

cnf(30,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[21,3]),
    [iquote('0:SoR:21.0,3.0')] ).

cnf(35,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),x))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),x)) ),
    inference(res,[status(thm),theory(equality)],[17,1]),
    [iquote('0:Res:17.0,1.1')] ).

cnf(110,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(v)),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[35,18]),
    [iquote('0:SoR:35.0,18.0')] ).

cnf(111,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),v)),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    inference(sor,[status(thm)],[35,22]),
    [iquote('0:SoR:35.0,22.0')] ).

cnf(124,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(not__dfg(u),w)))),
    inference(sor,[status(thm)],[21,110]),
    [iquote('0:SoR:21.0,110.0')] ).

cnf(127,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),w)),x),implies__dfg(v,x))),
    inference(sor,[status(thm)],[13,124]),
    [iquote('0:SoR:13.0,124.0')] ).

cnf(168,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),w)),x))
    | is_a_theorem(implies__dfg(v,x)) ),
    inference(res,[status(thm),theory(equality)],[127,1]),
    [iquote('0:Res:127.0,1.1')] ).

cnf(231,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),implies__dfg(w,v)))),
    inference(sor,[status(thm)],[168,111]),
    [iquote('0:SoR:168.0,111.0')] ).

cnf(246,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[231,1]),
    [iquote('0:Res:231.0,1.1')] ).

cnf(268,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(w,v)) ),
    inference(res,[status(thm),theory(equality)],[246,1]),
    [iquote('0:Res:246.1,1.1')] ).

cnf(318,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(sor,[status(thm)],[268,30]),
    [iquote('0:SoR:268.1,30.0')] ).

cnf(346,plain,
    ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(y__dfg),y__dfg),y__dfg)),
    inference(res,[status(thm),theory(equality)],[318,5]),
    [iquote('0:Res:318.1,5.0')] ).

cnf(347,plain,
    $false,
    inference(ssi,[status(thm)],[346,3]),
    [iquote('0:SSi:346.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : LCL362-1 : TPTP v8.1.0. Released v2.3.0.
% 0.10/0.12  % Command  : run_spass %d %s
% 0.11/0.31  % Computer : n027.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Mon Jul  4 17:58:11 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.16/0.44  
% 0.16/0.44  SPASS V 3.9 
% 0.16/0.44  SPASS beiseite: Proof found.
% 0.16/0.44  % SZS status Theorem
% 0.16/0.44  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.16/0.44  SPASS derived 330 clauses, backtracked 0 clauses, performed 0 splits and kept 209 clauses.
% 0.16/0.44  SPASS allocated 76265 KBytes.
% 0.16/0.44  SPASS spent	0:00:00.12 on the problem.
% 0.16/0.44  		0:00:00.04 for the input.
% 0.16/0.44  		0:00:00.00 for the FLOTTER CNF translation.
% 0.16/0.44  		0:00:00.01 for inferences.
% 0.16/0.44  		0:00:00.00 for the backtracking.
% 0.16/0.44  		0:00:00.04 for the reduction.
% 0.16/0.44  
% 0.16/0.44  
% 0.16/0.44  Here is a proof with depth 12, length 24 :
% 0.16/0.44  % SZS output start Refutation
% See solution above
% 0.16/0.44  Formulae used in the proof : condensed_detachment cn_1 cn_2 cn_3 prove_cn_11
% 0.16/0.44  
%------------------------------------------------------------------------------