TSTP Solution File: LCL186-10 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL186-10 : TPTP v8.1.0. Released v7.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 14:35:13 EDT 2022

% Result   : Unsatisfiable 0.21s 0.46s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   13 (  13 unt;   0 nHn;  13 RR)
%            Number of literals    :   13 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   6 con; 0-4 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(ifeq(u,u,v,w),v),
    file('LCL186-10.p',unknown),
    [] ).

cnf(3,axiom,
    equal(axiom(or__dfg(not__dfg(u),or__dfg(v,u))),true__dfg),
    file('LCL186-10.p',unknown),
    [] ).

cnf(4,axiom,
    equal(axiom(or__dfg(not__dfg(or__dfg(u,v)),or__dfg(v,u))),true__dfg),
    file('LCL186-10.p',unknown),
    [] ).

cnf(7,axiom,
    equal(ifeq(axiom(u),true__dfg,theorem(u),true__dfg),true__dfg),
    file('LCL186-10.p',unknown),
    [] ).

cnf(9,axiom,
    equal(ifeq(theorem(or__dfg(not__dfg(u),v)),true__dfg,ifeq(axiom(or__dfg(not__dfg(w),u)),true__dfg,theorem(or__dfg(not__dfg(w),v)),true__dfg),true__dfg),true__dfg),
    file('LCL186-10.p',unknown),
    [] ).

cnf(10,axiom,
    ~ equal(theorem(or__dfg(not__dfg(not__dfg(p)),or__dfg(not__dfg(p),q))),true__dfg),
    file('LCL186-10.p',unknown),
    [] ).

cnf(19,plain,
    equal(ifeq(true__dfg,true__dfg,theorem(or__dfg(not__dfg(or__dfg(u,v)),or__dfg(v,u))),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[4,7]),
    [iquote('0:SpR:4.0,7.0')] ).

cnf(21,plain,
    equal(theorem(or__dfg(not__dfg(or__dfg(u,v)),or__dfg(v,u))),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,19]),
    [iquote('0:Rew:1.0,19.0')] ).

cnf(148,plain,
    equal(ifeq(theorem(or__dfg(not__dfg(or__dfg(u,v)),w)),true__dfg,ifeq(true__dfg,true__dfg,theorem(or__dfg(not__dfg(v),w)),true__dfg),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[3,9]),
    [iquote('0:SpR:3.0,9.0')] ).

cnf(161,plain,
    equal(ifeq(theorem(or__dfg(not__dfg(or__dfg(u,v)),w)),true__dfg,theorem(or__dfg(not__dfg(v),w)),true__dfg),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,148]),
    [iquote('0:Rew:1.0,148.0')] ).

cnf(242,plain,
    equal(ifeq(true__dfg,true__dfg,theorem(or__dfg(not__dfg(u),or__dfg(u,v))),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[21,161]),
    [iquote('0:SpR:21.0,161.0')] ).

cnf(248,plain,
    equal(theorem(or__dfg(not__dfg(u),or__dfg(u,v))),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,242]),
    [iquote('0:Rew:1.0,242.0')] ).

cnf(249,plain,
    $false,
    inference(unc,[status(thm)],[248,10]),
    [iquote('0:UnC:248.0,10.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : LCL186-10 : TPTP v8.1.0. Released v7.5.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.14/0.35  % Computer : n021.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Mon Jul  4 03:43:31 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.21/0.46  
% 0.21/0.46  SPASS V 3.9 
% 0.21/0.46  SPASS beiseite: Proof found.
% 0.21/0.46  % SZS status Theorem
% 0.21/0.46  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.21/0.46  SPASS derived 174 clauses, backtracked 0 clauses, performed 0 splits and kept 79 clauses.
% 0.21/0.46  SPASS allocated 63577 KBytes.
% 0.21/0.46  SPASS spent	0:00:00.09 on the problem.
% 0.21/0.46  		0:00:00.04 for the input.
% 0.21/0.46  		0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.46  		0:00:00.00 for inferences.
% 0.21/0.46  		0:00:00.00 for the backtracking.
% 0.21/0.46  		0:00:00.02 for the reduction.
% 0.21/0.46  
% 0.21/0.46  
% 0.21/0.46  Here is a proof with depth 2, length 13 :
% 0.21/0.46  % SZS output start Refutation
% See solution above
% 0.21/0.46  Formulae used in the proof : ifeq_axiom axiom_1_3 axiom_1_4 rule_1 rule_3 prove_this
% 0.21/0.46  
%------------------------------------------------------------------------------