TSTP Solution File: LCL133-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL133-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n017.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 14:34:50 EDT 2022

% Result   : Unsatisfiable 0.18s 0.41s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   25 (  25 unt;   0 nHn;  25 RR)
%            Number of literals    :   25 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(implies__dfg(u,v),implies__dfg(v,u)),
    file('LCL133-1.p',unknown),
    [] ).

cnf(2,axiom,
    ~ equal(y__dfg,x__dfg),
    file('LCL133-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(implies__dfg(truth,u),u),
    file('LCL133-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(implies__dfg(implies__dfg(u,v),v),implies__dfg(implies__dfg(v,u),u)),
    file('LCL133-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),implies__dfg(v,u)),truth),
    file('LCL133-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(implies__dfg(implies__dfg(u,v),implies__dfg(not__dfg(v),not__dfg(u))),truth),
    inference(rew,[status(thm),theory(equality)],[1,6]),
    [iquote('0:Rew:1.0,6.0')] ).

cnf(8,plain,
    equal(implies__dfg(u,implies__dfg(v,u)),implies__dfg(v,implies__dfg(u,v))),
    inference(rew,[status(thm),theory(equality)],[1,5]),
    [iquote('0:Rew:1.0,5.0,1.0,5.0')] ).

cnf(10,plain,
    equal(implies__dfg(u,truth),u),
    inference(spr,[status(thm),theory(equality)],[1,3]),
    [iquote('0:SpR:1.0,3.0')] ).

cnf(24,plain,
    equal(implies__dfg(u,implies__dfg(not__dfg(u),not__dfg(truth))),truth),
    inference(spr,[status(thm),theory(equality)],[3,7]),
    [iquote('0:SpR:3.0,7.0')] ).

cnf(29,plain,
    equal(implies__dfg(not__dfg(truth),not__dfg(truth)),truth),
    inference(spr,[status(thm),theory(equality)],[24,3]),
    [iquote('0:SpR:24.0,3.0')] ).

cnf(58,plain,
    equal(implies__dfg(u,implies__dfg(truth,u)),implies__dfg(u,truth)),
    inference(spr,[status(thm),theory(equality)],[8,3]),
    [iquote('0:SpR:8.0,3.0')] ).

cnf(74,plain,
    equal(implies__dfg(u,implies__dfg(implies__dfg(not__dfg(u),not__dfg(truth)),u)),implies__dfg(implies__dfg(not__dfg(u),not__dfg(truth)),truth)),
    inference(spr,[status(thm),theory(equality)],[24,8]),
    [iquote('0:SpR:24.0,8.0')] ).

cnf(88,plain,
    equal(implies__dfg(u,u),u),
    inference(rew,[status(thm),theory(equality)],[3,58,10]),
    [iquote('0:Rew:3.0,58.0,10.0,58.0')] ).

cnf(90,plain,
    equal(not__dfg(truth),truth),
    inference(rew,[status(thm),theory(equality)],[88,29]),
    [iquote('0:Rew:88.0,29.0')] ).

cnf(92,plain,
    equal(implies__dfg(u,implies__dfg(not__dfg(u),truth)),truth),
    inference(rew,[status(thm),theory(equality)],[90,24]),
    [iquote('0:Rew:90.0,24.0')] ).

cnf(98,plain,
    equal(implies__dfg(u,not__dfg(u)),truth),
    inference(rew,[status(thm),theory(equality)],[10,92]),
    [iquote('0:Rew:10.0,92.0')] ).

cnf(117,plain,
    equal(implies__dfg(u,implies__dfg(u,implies__dfg(not__dfg(u),not__dfg(truth)))),implies__dfg(not__dfg(u),not__dfg(truth))),
    inference(rew,[status(thm),theory(equality)],[1,74,10]),
    [iquote('0:Rew:1.0,74.0,10.0,74.0')] ).

cnf(118,plain,
    equal(implies__dfg(u,implies__dfg(u,implies__dfg(not__dfg(u),truth))),implies__dfg(not__dfg(u),truth)),
    inference(rew,[status(thm),theory(equality)],[90,117]),
    [iquote('0:Rew:90.0,117.0')] ).

cnf(119,plain,
    equal(implies__dfg(u,implies__dfg(u,not__dfg(u))),not__dfg(u)),
    inference(rew,[status(thm),theory(equality)],[10,118]),
    [iquote('0:Rew:10.0,118.0')] ).

cnf(120,plain,
    equal(implies__dfg(u,truth),not__dfg(u)),
    inference(rew,[status(thm),theory(equality)],[98,119]),
    [iquote('0:Rew:98.0,119.0')] ).

cnf(121,plain,
    equal(not__dfg(u),u),
    inference(rew,[status(thm),theory(equality)],[10,120]),
    [iquote('0:Rew:10.0,120.0')] ).

cnf(126,plain,
    equal(implies__dfg(u,u),truth),
    inference(rew,[status(thm),theory(equality)],[121,98]),
    [iquote('0:Rew:121.0,98.0')] ).

cnf(127,plain,
    equal(u,truth),
    inference(rew,[status(thm),theory(equality)],[88,126]),
    [iquote('0:Rew:88.0,126.0')] ).

cnf(144,plain,
    equal(u,v),
    inference(spr,[status(thm),theory(equality)],[127]),
    [iquote('0:SpR:127.0,127.0')] ).

cnf(145,plain,
    $false,
    inference(unc,[status(thm)],[144,2]),
    [iquote('0:UnC:144.0,2.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : LCL133-1 : TPTP v8.1.0. Released v1.0.0.
% 0.00/0.12  % Command  : run_spass %d %s
% 0.11/0.32  % Computer : n017.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Mon Jul  4 10:42:12 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.18/0.41  
% 0.18/0.41  SPASS V 3.9 
% 0.18/0.41  SPASS beiseite: Proof found.
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.18/0.41  SPASS derived 94 clauses, backtracked 0 clauses, performed 0 splits and kept 25 clauses.
% 0.18/0.41  SPASS allocated 63201 KBytes.
% 0.18/0.41  SPASS spent	0:00:00.07 on the problem.
% 0.18/0.41  		0:00:00.04 for the input.
% 0.18/0.41  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.41  		0:00:00.00 for inferences.
% 0.18/0.41  		0:00:00.00 for the backtracking.
% 0.18/0.41  		0:00:00.01 for the reduction.
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Here is a proof with depth 2, length 25 :
% 0.18/0.41  % SZS output start Refutation
% See solution above
% 0.18/0.41  Formulae used in the proof : lemma_antecedent prove_wajsberg_lemma wajsberg_1 wajsberg_3 wajsberg_4
% 0.18/0.41  
%------------------------------------------------------------------------------