TSTP Solution File: LCL154-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL154-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n007.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 14:34:57 EDT 2022

% Result   : Unsatisfiable 0.19s 0.48s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   62 (  62 unt;   0 nHn;  62 RR)
%            Number of literals    :   62 (   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    :   12 (  12 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ equal(xor__dfg(x__dfg,falsehood),x__dfg),
    file('LCL154-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(implies__dfg(truth,u),u),
    file('LCL154-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w))),truth),
    file('LCL154-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(implies__dfg(implies__dfg(u,v),v),implies__dfg(implies__dfg(v,u),u)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),implies__dfg(v,u)),truth),
    file('LCL154-1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(implies__dfg(not__dfg(u),v),or__dfg(u,v)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(8,axiom,
    equal(or__dfg(u,v),or__dfg(v,u)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(9,axiom,
    equal(not__dfg(or__dfg(not__dfg(u),not__dfg(v))),and__dfg(u,v)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(11,axiom,
    equal(and__dfg(u,v),and__dfg(v,u)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(12,axiom,
    equal(or__dfg(and__dfg(u,not__dfg(v)),and__dfg(not__dfg(u),v)),xor__dfg(u,v)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(14,axiom,
    equal(not__dfg(or__dfg(not__dfg(u),not__dfg(v))),and_star(u,v)),
    file('LCL154-1.p',unknown),
    [] ).

cnf(17,axiom,
    equal(not__dfg(truth),falsehood),
    file('LCL154-1.p',unknown),
    [] ).

cnf(18,plain,
    equal(and_star(u,v),and__dfg(u,v)),
    inference(rew,[status(thm),theory(equality)],[14,9]),
    [iquote('0:Rew:14.0,9.0')] ).

cnf(20,plain,
    equal(not__dfg(or__dfg(not__dfg(u),not__dfg(v))),and__dfg(u,v)),
    inference(rew,[status(thm),theory(equality)],[18,14]),
    [iquote('0:Rew:18.0,14.0')] ).

cnf(23,plain,
    equal(implies__dfg(or__dfg(u,not__dfg(v)),implies__dfg(v,u)),truth),
    inference(rew,[status(thm),theory(equality)],[6,5]),
    [iquote('0:Rew:6.0,5.0')] ).

cnf(40,plain,
    equal(implies__dfg(falsehood,u),or__dfg(truth,u)),
    inference(spr,[status(thm),theory(equality)],[17,6]),
    [iquote('0:SpR:17.0,6.0')] ).

cnf(44,plain,
    equal(implies__dfg(or__dfg(u,not__dfg(truth)),u),truth),
    inference(spr,[status(thm),theory(equality)],[2,23]),
    [iquote('0:SpR:2.0,23.0')] ).

cnf(45,plain,
    equal(implies__dfg(or__dfg(u,not__dfg(falsehood)),or__dfg(truth,u)),truth),
    inference(spr,[status(thm),theory(equality)],[40,23]),
    [iquote('0:SpR:40.0,23.0')] ).

cnf(50,plain,
    equal(implies__dfg(or__dfg(u,falsehood),u),truth),
    inference(rew,[status(thm),theory(equality)],[17,44]),
    [iquote('0:Rew:17.0,44.0')] ).

cnf(54,plain,
    equal(implies__dfg(or__dfg(falsehood,u),u),truth),
    inference(spr,[status(thm),theory(equality)],[8,50]),
    [iquote('0:SpR:8.0,50.0')] ).

cnf(56,plain,
    equal(implies__dfg(or__dfg(u,not__dfg(or__dfg(falsehood,u))),truth),truth),
    inference(spr,[status(thm),theory(equality)],[54,23]),
    [iquote('0:SpR:54.0,23.0')] ).

cnf(77,plain,
    equal(not__dfg(or__dfg(not__dfg(u),falsehood)),and__dfg(u,truth)),
    inference(spr,[status(thm),theory(equality)],[17,20]),
    [iquote('0:SpR:17.0,20.0')] ).

cnf(81,plain,
    equal(not__dfg(or__dfg(falsehood,not__dfg(u))),and__dfg(u,truth)),
    inference(rew,[status(thm),theory(equality)],[8,77]),
    [iquote('0:Rew:8.0,77.0')] ).

cnf(130,plain,
    equal(implies__dfg(or__dfg(not__dfg(u),and__dfg(u,truth)),truth),truth),
    inference(spr,[status(thm),theory(equality)],[81,56]),
    [iquote('0:SpR:81.0,56.0')] ).

cnf(137,plain,
    equal(implies__dfg(u,u),implies__dfg(implies__dfg(u,truth),truth)),
    inference(spr,[status(thm),theory(equality)],[2,4]),
    [iquote('0:SpR:2.0,4.0')] ).

cnf(138,plain,
    equal(implies__dfg(or__dfg(truth,u),u),implies__dfg(implies__dfg(u,falsehood),falsehood)),
    inference(spr,[status(thm),theory(equality)],[40,4]),
    [iquote('0:SpR:40.0,4.0')] ).

cnf(146,plain,
    equal(implies__dfg(implies__dfg(not__dfg(u),truth),truth),or__dfg(u,not__dfg(u))),
    inference(spr,[status(thm),theory(equality)],[137,6]),
    [iquote('0:SpR:137.0,6.0')] ).

cnf(163,plain,
    equal(implies__dfg(or__dfg(u,truth),truth),or__dfg(u,not__dfg(u))),
    inference(rew,[status(thm),theory(equality)],[6,146]),
    [iquote('0:Rew:6.0,146.0')] ).

cnf(240,plain,
    equal(or__dfg(falsehood,not__dfg(falsehood)),truth),
    inference(spr,[status(thm),theory(equality)],[163,54]),
    [iquote('0:SpR:163.0,54.0')] ).

cnf(288,plain,
    equal(implies__dfg(truth,not__dfg(falsehood)),truth),
    inference(spr,[status(thm),theory(equality)],[240,54]),
    [iquote('0:SpR:240.0,54.0')] ).

cnf(296,plain,
    equal(not__dfg(falsehood),truth),
    inference(rew,[status(thm),theory(equality)],[2,288]),
    [iquote('0:Rew:2.0,288.0')] ).

cnf(297,plain,
    equal(implies__dfg(or__dfg(u,truth),or__dfg(truth,u)),truth),
    inference(rew,[status(thm),theory(equality)],[296,45]),
    [iquote('0:Rew:296.0,45.0')] ).

cnf(328,plain,
    equal(implies__dfg(truth,u),or__dfg(falsehood,u)),
    inference(spr,[status(thm),theory(equality)],[296,6]),
    [iquote('0:SpR:296.0,6.0')] ).

cnf(329,plain,
    equal(not__dfg(or__dfg(truth,not__dfg(u))),and__dfg(falsehood,u)),
    inference(spr,[status(thm),theory(equality)],[296,20]),
    [iquote('0:SpR:296.0,20.0')] ).

cnf(336,plain,
    equal(or__dfg(falsehood,u),u),
    inference(rew,[status(thm),theory(equality)],[2,328]),
    [iquote('0:Rew:2.0,328.0')] ).

cnf(339,plain,
    equal(not__dfg(not__dfg(u)),and__dfg(u,truth)),
    inference(rew,[status(thm),theory(equality)],[336,81]),
    [iquote('0:Rew:336.0,81.0')] ).

cnf(340,plain,
    equal(implies__dfg(u,u),truth),
    inference(rew,[status(thm),theory(equality)],[336,54]),
    [iquote('0:Rew:336.0,54.0')] ).

cnf(355,plain,
    equal(implies__dfg(implies__dfg(u,truth),truth),truth),
    inference(rew,[status(thm),theory(equality)],[340,137]),
    [iquote('0:Rew:340.0,137.0')] ).

cnf(411,plain,
    equal(or__dfg(and__dfg(u,truth),and__dfg(not__dfg(u),falsehood)),xor__dfg(u,falsehood)),
    inference(spr,[status(thm),theory(equality)],[296,12]),
    [iquote('0:SpR:296.0,12.0')] ).

cnf(418,plain,
    equal(or__dfg(and__dfg(u,truth),and__dfg(falsehood,not__dfg(u))),xor__dfg(u,falsehood)),
    inference(rew,[status(thm),theory(equality)],[11,411]),
    [iquote('0:Rew:11.0,411.0')] ).

cnf(420,plain,
    equal(or__dfg(u,falsehood),u),
    inference(spr,[status(thm),theory(equality)],[336,8]),
    [iquote('0:SpR:336.0,8.0')] ).

cnf(442,plain,
    equal(or__dfg(u,not__dfg(u)),truth),
    inference(spr,[status(thm),theory(equality)],[340,6]),
    [iquote('0:SpR:340.0,6.0')] ).

cnf(490,plain,
    equal(implies__dfg(implies__dfg(or__dfg(not__dfg(u),and__dfg(u,truth)),v),implies__dfg(implies__dfg(v,truth),truth)),truth),
    inference(spr,[status(thm),theory(equality)],[130,3]),
    [iquote('0:SpR:130.0,3.0')] ).

cnf(521,plain,
    equal(implies__dfg(implies__dfg(or__dfg(not__dfg(u),and__dfg(u,truth)),v),truth),truth),
    inference(rew,[status(thm),theory(equality)],[355,490]),
    [iquote('0:Rew:355.0,490.0')] ).

cnf(593,plain,
    equal(or__dfg(not__dfg(u),and__dfg(u,truth)),truth),
    inference(spr,[status(thm),theory(equality)],[339,442]),
    [iquote('0:SpR:339.0,442.0')] ).

cnf(609,plain,
    equal(implies__dfg(implies__dfg(truth,u),truth),truth),
    inference(rew,[status(thm),theory(equality)],[593,521]),
    [iquote('0:Rew:593.0,521.0')] ).

cnf(611,plain,
    equal(implies__dfg(u,truth),truth),
    inference(rew,[status(thm),theory(equality)],[2,609]),
    [iquote('0:Rew:2.0,609.0')] ).

cnf(636,plain,
    equal(or__dfg(u,truth),truth),
    inference(spr,[status(thm),theory(equality)],[611,6]),
    [iquote('0:SpR:611.0,6.0')] ).

cnf(643,plain,
    equal(implies__dfg(truth,or__dfg(truth,u)),truth),
    inference(rew,[status(thm),theory(equality)],[636,297]),
    [iquote('0:Rew:636.0,297.0')] ).

cnf(649,plain,
    equal(or__dfg(truth,u),truth),
    inference(rew,[status(thm),theory(equality)],[2,643]),
    [iquote('0:Rew:2.0,643.0')] ).

cnf(653,plain,
    equal(and__dfg(falsehood,u),not__dfg(truth)),
    inference(rew,[status(thm),theory(equality)],[649,329]),
    [iquote('0:Rew:649.0,329.0')] ).

cnf(654,plain,
    equal(implies__dfg(implies__dfg(u,falsehood),falsehood),implies__dfg(truth,u)),
    inference(rew,[status(thm),theory(equality)],[649,138]),
    [iquote('0:Rew:649.0,138.0')] ).

cnf(655,plain,
    equal(and__dfg(falsehood,u),falsehood),
    inference(rew,[status(thm),theory(equality)],[17,653]),
    [iquote('0:Rew:17.0,653.0')] ).

cnf(658,plain,
    equal(or__dfg(and__dfg(u,truth),falsehood),xor__dfg(u,falsehood)),
    inference(rew,[status(thm),theory(equality)],[655,418]),
    [iquote('0:Rew:655.0,418.0')] ).

cnf(663,plain,
    equal(implies__dfg(implies__dfg(u,falsehood),falsehood),u),
    inference(rew,[status(thm),theory(equality)],[2,654]),
    [iquote('0:Rew:2.0,654.0')] ).

cnf(672,plain,
    equal(and__dfg(u,truth),xor__dfg(u,falsehood)),
    inference(rew,[status(thm),theory(equality)],[420,658]),
    [iquote('0:Rew:420.0,658.0')] ).

cnf(673,plain,
    equal(not__dfg(not__dfg(u)),xor__dfg(u,falsehood)),
    inference(rew,[status(thm),theory(equality)],[672,339]),
    [iquote('0:Rew:672.0,339.0')] ).

cnf(773,plain,
    equal(implies__dfg(or__dfg(u,falsehood),falsehood),not__dfg(u)),
    inference(spr,[status(thm),theory(equality)],[6,663]),
    [iquote('0:SpR:6.0,663.0')] ).

cnf(778,plain,
    equal(implies__dfg(u,falsehood),not__dfg(u)),
    inference(rew,[status(thm),theory(equality)],[420,773]),
    [iquote('0:Rew:420.0,773.0')] ).

cnf(779,plain,
    equal(not__dfg(implies__dfg(u,falsehood)),u),
    inference(rew,[status(thm),theory(equality)],[778,663]),
    [iquote('0:Rew:778.0,663.0')] ).

cnf(784,plain,
    equal(xor__dfg(u,falsehood),u),
    inference(rew,[status(thm),theory(equality)],[673,779,778]),
    [iquote('0:Rew:673.0,779.0,778.0,779.0')] ).

cnf(785,plain,
    $false,
    inference(unc,[status(thm)],[784,1]),
    [iquote('0:UnC:784.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : LCL154-1 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n007.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul  3 11:56:56 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.48  
% 0.19/0.48  SPASS V 3.9 
% 0.19/0.48  SPASS beiseite: Proof found.
% 0.19/0.48  % SZS status Theorem
% 0.19/0.48  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.48  SPASS derived 533 clauses, backtracked 0 clauses, performed 0 splits and kept 223 clauses.
% 0.19/0.48  SPASS allocated 63909 KBytes.
% 0.19/0.48  SPASS spent	0:00:00.12 on the problem.
% 0.19/0.48  		0:00:00.04 for the input.
% 0.19/0.48  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.48  		0:00:00.01 for inferences.
% 0.19/0.48  		0:00:00.00 for the backtracking.
% 0.19/0.48  		0:00:00.06 for the reduction.
% 0.19/0.48  
% 0.19/0.48  
% 0.19/0.48  Here is a proof with depth 6, length 62 :
% 0.19/0.48  % SZS output start Refutation
% See solution above
% 0.19/0.48  Formulae used in the proof : prove_alternative_wajsberg_axiom wajsberg_1 wajsberg_2 wajsberg_3 wajsberg_4 or_definition or_commutativity and_definition and_commutativity xor_definition and_star_definition false_definition
% 0.19/0.48  
%------------------------------------------------------------------------------