TSTP Solution File: LAT029-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LAT029-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n015.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 06:48:40 EDT 2022

% Result   : Unsatisfiable 0.50s 0.68s
% Output   : Refutation 0.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   68 (  62 unt;   0 nHn;  68 RR)
%            Number of literals    :   80 (   0 equ;  19 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(join(meet(u,v),meet(u,join(u,v))),u),
    file('LAT029-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(join(meet(u,u),meet(v,join(u,u))),u),
    file('LAT029-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(join(meet(u,v),meet(v,join(u,v))),v),
    file('LAT029-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(meet(meet(join(u,v),join(w,u)),u),u),
    file('LAT029-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(join(join(meet(u,v),meet(w,u)),u),u),
    file('LAT029-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ equal(join(a,a),a)
    | ~ equal(meet(a,a),a)
    | ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(b,a),meet(a,b)) ),
    file('LAT029-1.p',unknown),
    [] ).

cnf(22,plain,
    equal(join(meet(u,u),join(u,u)),u),
    inference(spr,[status(thm),theory(equality)],[4,2]),
    [iquote('0:SpR:4.0,2.0')] ).

cnf(25,plain,
    equal(join(join(u,meet(v,meet(join(u,w),join(x,u)))),meet(join(u,w),join(x,u))),meet(join(u,w),join(x,u))),
    inference(spr,[status(thm),theory(equality)],[4,5]),
    [iquote('0:SpR:4.0,5.0')] ).

cnf(26,plain,
    equal(join(join(meet(u,v),u),u),u),
    inference(spr,[status(thm),theory(equality)],[4,5]),
    [iquote('0:SpR:4.0,5.0')] ).

cnf(31,plain,
    equal(meet(meet(join(u,v),u),u),u),
    inference(spr,[status(thm),theory(equality)],[5,4]),
    [iquote('0:SpR:5.0,4.0')] ).

cnf(33,plain,
    equal(meet(meet(u,join(v,meet(w,u))),meet(w,u)),meet(w,u)),
    inference(spr,[status(thm),theory(equality)],[3,4]),
    [iquote('0:SpR:3.0,4.0')] ).

cnf(37,plain,
    equal(join(meet(meet(u,u),join(u,u)),meet(meet(u,u),u)),meet(u,u)),
    inference(spr,[status(thm),theory(equality)],[22,1]),
    [iquote('0:SpR:22.0,1.0')] ).

cnf(42,plain,
    equal(join(meet(join(meet(u,v),u),u),meet(join(meet(u,v),u),u)),join(meet(u,v),u)),
    inference(spr,[status(thm),theory(equality)],[26,1]),
    [iquote('0:SpR:26.0,1.0')] ).

cnf(48,plain,
    equal(join(u,meet(u,join(meet(join(u,v),u),u))),u),
    inference(spr,[status(thm),theory(equality)],[31,3]),
    [iquote('0:SpR:31.0,3.0')] ).

cnf(51,plain,
    equal(join(join(u,meet(join(u,v),u)),meet(join(u,v),u)),meet(join(u,v),u)),
    inference(spr,[status(thm),theory(equality)],[31,26]),
    [iquote('0:SpR:31.0,26.0')] ).

cnf(56,plain,
    equal(meet(meet(u,meet(u,v)),meet(u,v)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[1,31]),
    [iquote('0:SpR:1.0,31.0')] ).

cnf(70,plain,
    equal(meet(meet(u,join(v,u)),u),u),
    inference(spr,[status(thm),theory(equality)],[48,4]),
    [iquote('0:SpR:48.0,4.0')] ).

cnf(71,plain,
    equal(meet(meet(u,u),u),u),
    inference(spr,[status(thm),theory(equality)],[48,31]),
    [iquote('0:SpR:48.0,31.0')] ).

cnf(72,plain,
    equal(join(u,meet(u,join(meet(u,u),u))),u),
    inference(spr,[status(thm),theory(equality)],[48]),
    [iquote('0:SpR:48.0,48.0')] ).

cnf(83,plain,
    equal(join(meet(meet(u,u),join(u,u)),u),meet(u,u)),
    inference(rew,[status(thm),theory(equality)],[71,37]),
    [iquote('0:Rew:71.0,37.0')] ).

cnf(97,plain,
    equal(join(u,meet(meet(u,join(v,u)),join(meet(u,join(v,u)),u))),meet(u,join(v,u))),
    inference(spr,[status(thm),theory(equality)],[70,1]),
    [iquote('0:SpR:70.0,1.0')] ).

cnf(105,plain,
    equal(meet(meet(meet(u,join(v,u)),u),meet(u,join(v,u))),meet(u,join(v,u))),
    inference(spr,[status(thm),theory(equality)],[3,70]),
    [iquote('0:SpR:3.0,70.0')] ).

cnf(112,plain,
    equal(meet(u,meet(u,join(v,u))),meet(u,join(v,u))),
    inference(rew,[status(thm),theory(equality)],[70,105]),
    [iquote('0:Rew:70.0,105.0')] ).

cnf(143,plain,
    equal(join(meet(u,meet(u,join(meet(u,u),u))),meet(meet(u,join(meet(u,u),u)),u)),meet(u,join(meet(u,u),u))),
    inference(spr,[status(thm),theory(equality)],[72,3]),
    [iquote('0:SpR:72.0,3.0')] ).

cnf(153,plain,
    equal(join(meet(u,meet(u,join(meet(u,u),u))),u),meet(u,join(meet(u,u),u))),
    inference(rew,[status(thm),theory(equality)],[70,143]),
    [iquote('0:Rew:70.0,143.0')] ).

cnf(154,plain,
    equal(join(meet(u,join(meet(u,u),u)),u),meet(u,join(meet(u,u),u))),
    inference(rew,[status(thm),theory(equality)],[112,153]),
    [iquote('0:Rew:112.0,153.0')] ).

cnf(213,plain,
    equal(meet(meet(meet(u,u),u),u),u),
    inference(spr,[status(thm),theory(equality)],[71,56]),
    [iquote('0:SpR:71.0,56.0')] ).

cnf(225,plain,
    equal(meet(u,u),u),
    inference(rew,[status(thm),theory(equality)],[71,213]),
    [iquote('0:Rew:71.0,213.0')] ).

cnf(226,plain,
    ( ~ equal(join(a,a),a)
    | ~ equal(a,a)
    | ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(b,a),meet(a,b)) ),
    inference(rew,[status(thm),theory(equality)],[225,6]),
    [iquote('0:Rew:225.0,6.1')] ).

cnf(227,plain,
    equal(join(u,meet(v,join(u,u))),u),
    inference(rew,[status(thm),theory(equality)],[225,2]),
    [iquote('0:Rew:225.0,2.0')] ).

cnf(246,plain,
    equal(join(meet(u,join(u,u)),u),meet(u,join(u,u))),
    inference(rew,[status(thm),theory(equality)],[225,154]),
    [iquote('0:Rew:225.0,154.0')] ).

cnf(247,plain,
    equal(join(meet(u,join(u,u)),u),u),
    inference(rew,[status(thm),theory(equality)],[225,83]),
    [iquote('0:Rew:225.0,83.0')] ).

cnf(276,plain,
    equal(meet(u,join(u,u)),u),
    inference(rew,[status(thm),theory(equality)],[247,246]),
    [iquote('0:Rew:247.0,246.0')] ).

cnf(277,plain,
    equal(join(u,u),u),
    inference(rew,[status(thm),theory(equality)],[276,247]),
    [iquote('0:Rew:276.0,247.0')] ).

cnf(285,plain,
    equal(join(u,meet(v,u)),u),
    inference(rew,[status(thm),theory(equality)],[277,227]),
    [iquote('0:Rew:277.0,227.0')] ).

cnf(288,plain,
    equal(meet(join(meet(u,v),u),u),join(meet(u,v),u)),
    inference(rew,[status(thm),theory(equality)],[277,42]),
    [iquote('0:Rew:277.0,42.0')] ).

cnf(294,plain,
    equal(join(u,meet(join(u,v),u)),meet(join(u,v),u)),
    inference(rew,[status(thm),theory(equality)],[285,51]),
    [iquote('0:Rew:285.0,51.0')] ).

cnf(303,plain,
    equal(meet(join(u,v),u),u),
    inference(rew,[status(thm),theory(equality)],[285,294]),
    [iquote('0:Rew:285.0,294.0')] ).

cnf(337,plain,
    ( ~ equal(join(a,a),a)
    | ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(b,a),meet(a,b)) ),
    inference(obv,[status(thm),theory(equality)],[226]),
    [iquote('0:Obv:226.1')] ).

cnf(338,plain,
    ( ~ equal(a,a)
    | ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(b,a),meet(a,b)) ),
    inference(rew,[status(thm),theory(equality)],[277,337]),
    [iquote('0:Rew:277.0,337.0')] ).

cnf(339,plain,
    ( ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(b,a),meet(a,b)) ),
    inference(obv,[status(thm),theory(equality)],[338]),
    [iquote('0:Obv:338.0')] ).

cnf(380,plain,
    equal(join(join(u,join(u,v)),join(u,v)),join(u,v)),
    inference(spr,[status(thm),theory(equality)],[303,26]),
    [iquote('0:SpR:303.0,26.0')] ).

cnf(388,plain,
    equal(meet(u,join(meet(u,v),u)),join(meet(u,v),u)),
    inference(spr,[status(thm),theory(equality)],[26,303]),
    [iquote('0:SpR:26.0,303.0')] ).

cnf(803,plain,
    equal(meet(join(u,v),join(u,join(u,v))),join(u,join(u,v))),
    inference(spr,[status(thm),theory(equality)],[380,303]),
    [iquote('0:SpR:380.0,303.0')] ).

cnf(863,plain,
    equal(meet(join(meet(u,v),u),u),u),
    inference(spr,[status(thm),theory(equality)],[388,70]),
    [iquote('0:SpR:388.0,70.0')] ).

cnf(882,plain,
    equal(join(meet(u,v),u),u),
    inference(rew,[status(thm),theory(equality)],[288,863]),
    [iquote('0:Rew:288.0,863.0')] ).

cnf(887,plain,
    equal(join(u,meet(meet(u,join(v,u)),u)),meet(u,join(v,u))),
    inference(rew,[status(thm),theory(equality)],[882,97]),
    [iquote('0:Rew:882.0,97.0')] ).

cnf(911,plain,
    equal(meet(u,join(v,u)),u),
    inference(rew,[status(thm),theory(equality)],[277,887,70]),
    [iquote('0:Rew:277.0,887.0,70.0,887.0')] ).

cnf(914,plain,
    equal(join(u,join(u,v)),join(u,v)),
    inference(rew,[status(thm),theory(equality)],[911,803]),
    [iquote('0:Rew:911.0,803.0')] ).

cnf(996,plain,
    equal(join(meet(meet(u,v),u),meet(meet(u,v),u)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[882,1]),
    [iquote('0:SpR:882.0,1.0')] ).

cnf(1016,plain,
    equal(meet(meet(u,v),u),meet(u,v)),
    inference(rew,[status(thm),theory(equality)],[277,996]),
    [iquote('0:Rew:277.0,996.0')] ).

cnf(1032,plain,
    equal(meet(meet(join(u,v),join(w,v)),v),v),
    inference(spr,[status(thm),theory(equality)],[911,33]),
    [iquote('0:SpR:911.0,33.0')] ).

cnf(1076,plain,
    equal(join(meet(u,join(u,v)),meet(u,join(u,v))),u),
    inference(spr,[status(thm),theory(equality)],[914,1]),
    [iquote('0:SpR:914.0,1.0')] ).

cnf(1091,plain,
    equal(meet(u,join(u,v)),u),
    inference(rew,[status(thm),theory(equality)],[277,1076]),
    [iquote('0:Rew:277.0,1076.0')] ).

cnf(1178,plain,
    equal(join(join(u,v),u),join(u,v)),
    inference(spr,[status(thm),theory(equality)],[1091,285]),
    [iquote('0:SpR:1091.0,285.0')] ).

cnf(1202,plain,
    equal(join(u,meet(u,v)),u),
    inference(spr,[status(thm),theory(equality)],[1016,285]),
    [iquote('0:SpR:1016.0,285.0')] ).

cnf(1228,plain,
    equal(meet(meet(u,v),meet(v,u)),meet(v,u)),
    inference(spr,[status(thm),theory(equality)],[1202,33]),
    [iquote('0:SpR:1202.0,33.0')] ).

cnf(1407,plain,
    equal(meet(meet(join(u,v),join(v,w)),v),v),
    inference(spr,[status(thm),theory(equality)],[1178,1032]),
    [iquote('0:SpR:1178.0,1032.0')] ).

cnf(1894,plain,
    equal(meet(meet(u,v),meet(v,u)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[1228,1016]),
    [iquote('0:SpR:1228.0,1016.0')] ).

cnf(1954,plain,
    equal(meet(u,v),meet(v,u)),
    inference(rew,[status(thm),theory(equality)],[1228,1894]),
    [iquote('0:Rew:1228.0,1894.0')] ).

cnf(1962,plain,
    ( ~ equal(join(b,a),join(a,b))
    | ~ equal(meet(a,b),meet(a,b)) ),
    inference(rew,[status(thm),theory(equality)],[1954,339]),
    [iquote('0:Rew:1954.0,339.1')] ).

cnf(1971,plain,
    equal(meet(u,meet(join(v,u),join(u,w))),u),
    inference(rew,[status(thm),theory(equality)],[1954,1407]),
    [iquote('0:Rew:1954.0,1407.0')] ).

cnf(2047,plain,
    ~ equal(join(b,a),join(a,b)),
    inference(obv,[status(thm),theory(equality)],[1962]),
    [iquote('0:Obv:1962.1')] ).

cnf(2834,plain,
    equal(join(join(u,v),meet(join(u,v),join(v,u))),meet(join(u,v),join(v,u))),
    inference(spr,[status(thm),theory(equality)],[1971,25]),
    [iquote('0:SpR:1971.0,25.0')] ).

cnf(2909,plain,
    equal(meet(join(u,v),join(v,u)),join(u,v)),
    inference(rew,[status(thm),theory(equality)],[1202,2834]),
    [iquote('0:Rew:1202.0,2834.0')] ).

cnf(2934,plain,
    equal(meet(join(u,v),join(v,u)),join(v,u)),
    inference(spr,[status(thm),theory(equality)],[2909,1954]),
    [iquote('0:SpR:2909.0,1954.0')] ).

cnf(2992,plain,
    equal(join(u,v),join(v,u)),
    inference(rew,[status(thm),theory(equality)],[2909,2934]),
    [iquote('0:Rew:2909.0,2934.0')] ).

cnf(2993,plain,
    $false,
    inference(unc,[status(thm)],[2992,2047]),
    [iquote('0:UnC:2992.0,2047.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LAT029-1 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n015.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 : Wed Jun 29 22:08:11 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.50/0.68  
% 0.50/0.68  SPASS V 3.9 
% 0.50/0.68  SPASS beiseite: Proof found.
% 0.50/0.68  % SZS status Theorem
% 0.50/0.68  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.50/0.68  SPASS derived 2208 clauses, backtracked 0 clauses, performed 0 splits and kept 471 clauses.
% 0.50/0.68  SPASS allocated 65789 KBytes.
% 0.50/0.68  SPASS spent	0:00:00.32 on the problem.
% 0.50/0.68  		0:00:00.04 for the input.
% 0.50/0.68  		0:00:00.00 for the FLOTTER CNF translation.
% 0.50/0.68  		0:00:00.02 for inferences.
% 0.50/0.68  		0:00:00.00 for the backtracking.
% 0.50/0.68  		0:00:00.24 for the reduction.
% 0.50/0.68  
% 0.50/0.68  
% 0.50/0.68  Here is a proof with depth 9, length 68 :
% 0.50/0.68  % SZS output start Refutation
% See solution above
% 0.50/0.68  Formulae used in the proof : wal_absorbtion_1 wal_absorbtion_2 wal_absorbtion_3 wal_absorbtion_4 wal_absorbtion_5 prove_normal_axioms
% 0.50/0.68  
%------------------------------------------------------------------------------