TSTP Solution File: LAT089-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LAT089-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n004.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 06:48:59 EDT 2022

% Result   : Unsatisfiable 0.48s 0.63s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    6
% Syntax   : Number of clauses     :   66 (  66 unt;   0 nHn;  66 RR)
%            Number of literals    :   66 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   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(join(meet(u,v),meet(u,join(u,v))),u),
    file('LAT089-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(join(meet(u,u),meet(v,join(u,u))),u),
    file('LAT089-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(join(meet(u,v),meet(v,join(u,v))),v),
    file('LAT089-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(meet(meet(join(u,v),join(w,u)),u),u),
    file('LAT089-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(join(join(meet(u,v),meet(w,u)),u),u),
    file('LAT089-1.p',unknown),
    [] ).

cnf(6,axiom,
    ~ equal(meet(a,b),meet(b,a)),
    file('LAT089-1.p',unknown),
    [] ).

cnf(17,plain,
    equal(join(meet(meet(u,u),meet(v,join(u,u))),meet(meet(u,u),u)),meet(u,u)),
    inference(spr,[status(thm),theory(equality)],[2,1]),
    [iquote('0:SpR:2.0,1.0')] ).

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

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

cnf(80,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(81,plain,
    equal(meet(meet(u,u),u),u),
    inference(spr,[status(thm),theory(equality)],[48,31]),
    [iquote('0:SpR:48.0,31.0')] ).

cnf(82,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(93,plain,
    equal(join(meet(meet(u,u),meet(v,join(u,u))),u),meet(u,u)),
    inference(rew,[status(thm),theory(equality)],[81,17]),
    [iquote('0:Rew:81.0,17.0')] ).

cnf(94,plain,
    equal(join(meet(meet(u,u),join(u,u)),u),meet(u,u)),
    inference(rew,[status(thm),theory(equality)],[81,37]),
    [iquote('0:Rew:81.0,37.0')] ).

cnf(111,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)],[80,1]),
    [iquote('0:SpR:80.0,1.0')] ).

cnf(121,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)],[3,80]),
    [iquote('0:SpR:3.0,80.0')] ).

cnf(130,plain,
    equal(meet(u,meet(u,join(v,u))),meet(u,join(v,u))),
    inference(rew,[status(thm),theory(equality)],[80,121]),
    [iquote('0:Rew:80.0,121.0')] ).

cnf(134,plain,
    equal(join(meet(u,meet(u,join(meet(join(u,v),join(w,u)),u))),meet(meet(u,join(meet(join(u,v),join(w,u)),u)),u)),meet(u,join(meet(join(u,v),join(w,u)),u))),
    inference(spr,[status(thm),theory(equality)],[23,3]),
    [iquote('0:SpR:23.0,3.0')] ).

cnf(135,plain,
    equal(join(meet(u,meet(u,join(meet(join(u,v),join(w,u)),u))),meet(u,u)),u),
    inference(spr,[status(thm),theory(equality)],[23,1]),
    [iquote('0:SpR:23.0,1.0')] ).

cnf(162,plain,
    equal(join(meet(u,join(meet(join(u,v),join(w,u)),u)),meet(u,u)),u),
    inference(rew,[status(thm),theory(equality)],[130,135]),
    [iquote('0:Rew:130.0,135.0')] ).

cnf(164,plain,
    equal(join(meet(u,meet(u,join(meet(join(u,v),join(w,u)),u))),u),meet(u,join(meet(join(u,v),join(w,u)),u))),
    inference(rew,[status(thm),theory(equality)],[80,134]),
    [iquote('0:Rew:80.0,134.0')] ).

cnf(165,plain,
    equal(join(meet(u,join(meet(join(u,v),join(w,u)),u)),u),meet(u,join(meet(join(u,v),join(w,u)),u))),
    inference(rew,[status(thm),theory(equality)],[130,164]),
    [iquote('0:Rew:130.0,164.0')] ).

cnf(175,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)],[82,3]),
    [iquote('0:SpR:82.0,3.0')] ).

cnf(187,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)],[80,175]),
    [iquote('0:Rew:80.0,175.0')] ).

cnf(188,plain,
    equal(join(meet(u,join(meet(u,u),u)),u),meet(u,join(meet(u,u),u))),
    inference(rew,[status(thm),theory(equality)],[130,187]),
    [iquote('0:Rew:130.0,187.0')] ).

cnf(260,plain,
    equal(meet(meet(join(u,u),u),meet(v,join(u,u))),meet(v,join(u,u))),
    inference(spr,[status(thm),theory(equality)],[2,33]),
    [iquote('0:SpR:2.0,33.0')] ).

cnf(283,plain,
    equal(meet(meet(meet(u,u),u),u),u),
    inference(spr,[status(thm),theory(equality)],[81,56]),
    [iquote('0:SpR:81.0,56.0')] ).

cnf(297,plain,
    equal(meet(u,u),u),
    inference(rew,[status(thm),theory(equality)],[81,283]),
    [iquote('0:Rew:81.0,283.0')] ).

cnf(298,plain,
    equal(join(u,meet(v,join(u,u))),u),
    inference(rew,[status(thm),theory(equality)],[297,2]),
    [iquote('0:Rew:297.0,2.0')] ).

cnf(320,plain,
    equal(join(meet(u,join(u,u)),u),meet(u,join(u,u))),
    inference(rew,[status(thm),theory(equality)],[297,188]),
    [iquote('0:Rew:297.0,188.0')] ).

cnf(321,plain,
    equal(join(meet(u,join(u,u)),u),u),
    inference(rew,[status(thm),theory(equality)],[297,94]),
    [iquote('0:Rew:297.0,94.0')] ).

cnf(322,plain,
    equal(join(meet(u,meet(v,join(u,u))),u),u),
    inference(rew,[status(thm),theory(equality)],[297,93]),
    [iquote('0:Rew:297.0,93.0')] ).

cnf(329,plain,
    equal(join(meet(u,join(meet(join(u,v),join(w,u)),u)),u),u),
    inference(rew,[status(thm),theory(equality)],[297,162]),
    [iquote('0:Rew:297.0,162.0')] ).

cnf(351,plain,
    equal(meet(u,join(u,u)),u),
    inference(rew,[status(thm),theory(equality)],[321,320]),
    [iquote('0:Rew:321.0,320.0')] ).

cnf(352,plain,
    equal(join(u,u),u),
    inference(rew,[status(thm),theory(equality)],[351,321]),
    [iquote('0:Rew:351.0,321.0')] ).

cnf(356,plain,
    equal(join(u,meet(v,u)),u),
    inference(rew,[status(thm),theory(equality)],[352,298]),
    [iquote('0:Rew:352.0,298.0')] ).

cnf(357,plain,
    equal(join(meet(u,meet(v,u)),u),u),
    inference(rew,[status(thm),theory(equality)],[352,322]),
    [iquote('0:Rew:352.0,322.0')] ).

cnf(359,plain,
    equal(meet(meet(u,u),meet(v,u)),meet(v,u)),
    inference(rew,[status(thm),theory(equality)],[352,260]),
    [iquote('0:Rew:352.0,260.0')] ).

cnf(366,plain,
    equal(meet(join(meet(u,v),u),u),join(meet(u,v),u)),
    inference(rew,[status(thm),theory(equality)],[352,42]),
    [iquote('0:Rew:352.0,42.0')] ).

cnf(375,plain,
    equal(meet(u,meet(v,u)),meet(v,u)),
    inference(rew,[status(thm),theory(equality)],[297,359]),
    [iquote('0:Rew:297.0,359.0')] ).

cnf(377,plain,
    equal(join(meet(u,v),v),v),
    inference(rew,[status(thm),theory(equality)],[375,357]),
    [iquote('0:Rew:375.0,357.0')] ).

cnf(400,plain,
    equal(meet(u,join(meet(join(u,v),join(w,u)),u)),u),
    inference(rew,[status(thm),theory(equality)],[165,329]),
    [iquote('0:Rew:165.0,329.0')] ).

cnf(465,plain,
    equal(join(meet(meet(u,v),v),meet(meet(u,v),v)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[377,1]),
    [iquote('0:SpR:377.0,1.0')] ).

cnf(481,plain,
    equal(meet(meet(u,v),v),meet(u,v)),
    inference(rew,[status(thm),theory(equality)],[352,465]),
    [iquote('0:Rew:352.0,465.0')] ).

cnf(482,plain,
    equal(meet(u,join(meet(u,v),u)),join(meet(u,v),u)),
    inference(rew,[status(thm),theory(equality)],[481,59]),
    [iquote('0:Rew:481.0,59.0')] ).

cnf(878,plain,
    equal(join(u,join(meet(u,v),u)),u),
    inference(spr,[status(thm),theory(equality)],[366,356]),
    [iquote('0:SpR:366.0,356.0')] ).

cnf(984,plain,
    equal(meet(u,join(meet(u,join(v,u)),u)),u),
    inference(spr,[status(thm),theory(equality)],[878,400]),
    [iquote('0:SpR:878.0,400.0')] ).

cnf(1003,plain,
    equal(join(meet(u,join(v,u)),u),u),
    inference(rew,[status(thm),theory(equality)],[482,984]),
    [iquote('0:Rew:482.0,984.0')] ).

cnf(1004,plain,
    equal(join(u,meet(meet(u,join(v,u)),u)),meet(u,join(v,u))),
    inference(rew,[status(thm),theory(equality)],[1003,111]),
    [iquote('0:Rew:1003.0,111.0')] ).

cnf(1007,plain,
    equal(meet(u,join(v,u)),u),
    inference(rew,[status(thm),theory(equality)],[352,1004,80]),
    [iquote('0:Rew:352.0,1004.0,80.0,1004.0')] ).

cnf(1011,plain,
    equal(join(meet(u,v),u),u),
    inference(rew,[status(thm),theory(equality)],[1007,482]),
    [iquote('0:Rew:1007.0,482.0')] ).

cnf(1138,plain,
    equal(join(meet(meet(u,v),u),meet(meet(u,v),u)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[1011,1]),
    [iquote('0:SpR:1011.0,1.0')] ).

cnf(1163,plain,
    equal(meet(meet(u,v),u),meet(u,v)),
    inference(rew,[status(thm),theory(equality)],[352,1138]),
    [iquote('0:Rew:352.0,1138.0')] ).

cnf(1431,plain,
    equal(join(u,meet(u,v)),u),
    inference(spr,[status(thm),theory(equality)],[1163,356]),
    [iquote('0:SpR:1163.0,356.0')] ).

cnf(1570,plain,
    equal(meet(meet(u,v),meet(v,u)),meet(v,u)),
    inference(spr,[status(thm),theory(equality)],[1431,33]),
    [iquote('0:SpR:1431.0,33.0')] ).

cnf(2343,plain,
    equal(meet(meet(u,v),meet(v,u)),meet(u,v)),
    inference(spr,[status(thm),theory(equality)],[1570,1163]),
    [iquote('0:SpR:1570.0,1163.0')] ).

cnf(2410,plain,
    equal(meet(u,v),meet(v,u)),
    inference(rew,[status(thm),theory(equality)],[1570,2343]),
    [iquote('0:Rew:1570.0,2343.0')] ).

cnf(2411,plain,
    $false,
    inference(unc,[status(thm)],[2410,6]),
    [iquote('0:UnC:2410.0,6.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.11  % Problem  : LAT089-1 : TPTP v8.1.0. Released v2.6.0.
% 0.11/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n004.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Thu Jun 30 01:46:23 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.48/0.63  
% 0.48/0.63  SPASS V 3.9 
% 0.48/0.63  SPASS beiseite: Proof found.
% 0.48/0.63  % SZS status Theorem
% 0.48/0.63  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.48/0.63  SPASS derived 1834 clauses, backtracked 0 clauses, performed 0 splits and kept 456 clauses.
% 0.48/0.63  SPASS allocated 65630 KBytes.
% 0.48/0.63  SPASS spent	0:00:00.28 on the problem.
% 0.48/0.63  		0:00:00.03 for the input.
% 0.48/0.63  		0:00:00.00 for the FLOTTER CNF translation.
% 0.48/0.63  		0:00:00.02 for inferences.
% 0.48/0.63  		0:00:00.00 for the backtracking.
% 0.48/0.63  		0:00:00.21 for the reduction.
% 0.48/0.63  
% 0.48/0.63  
% 0.48/0.63  Here is a proof with depth 6, length 66 :
% 0.48/0.63  % SZS output start Refutation
% See solution above
% 0.48/0.63  Formulae used in the proof : wal_absorbtion_1 wal_absorbtion_2 wal_absorbtion_3 wal_absorbtion_4 wal_absorbtion_5 prove_normal_axioms_2
% 0.48/0.63  
%------------------------------------------------------------------------------