TSTP Solution File: GRP514-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP514-1 : TPTP v8.1.0. Released v2.6.0.
% 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 : Sat Jul 16 11:47:50 EDT 2022

% Result   : Unsatisfiable 0.20s 0.45s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    2
% Syntax   : Number of clauses     :   20 (  20 unt;   0 nHn;  20 RR)
%            Number of literals    :   20 (   0 equ;   4 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    8 (   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(multiply(u,multiply(multiply(v,w),inverse(multiply(u,w)))),v),
    file('GRP514-1.p',unknown),
    [] ).

cnf(2,axiom,
    ~ equal(multiply(multiply(inverse(b2),b2),a2),a2),
    file('GRP514-1.p',unknown),
    [] ).

cnf(3,plain,
    equal(multiply(u,multiply(multiply(v,multiply(multiply(w,x),inverse(multiply(u,x)))),inverse(w))),v),
    inference(spr,[status(thm),theory(equality)],[1]),
    [iquote('0:SpR:1.0,1.0')] ).

cnf(4,plain,
    equal(multiply(u,multiply(v,inverse(multiply(u,multiply(multiply(v,w),inverse(multiply(x,w))))))),x),
    inference(spr,[status(thm),theory(equality)],[1]),
    [iquote('0:SpR:1.0,1.0')] ).

cnf(13,plain,
    equal(multiply(u,multiply(v,inverse(v))),u),
    inference(spr,[status(thm),theory(equality)],[1,3]),
    [iquote('0:SpR:1.0,3.0')] ).

cnf(20,plain,
    equal(multiply(u,multiply(v,inverse(u))),v),
    inference(spr,[status(thm),theory(equality)],[13,3]),
    [iquote('0:SpR:13.0,3.0')] ).

cnf(46,plain,
    equal(multiply(multiply(u,v),multiply(w,inverse(multiply(w,v)))),u),
    inference(spr,[status(thm),theory(equality)],[20,4]),
    [iquote('0:SpR:20.0,4.0')] ).

cnf(52,plain,
    equal(multiply(u,multiply(multiply(v,w),inverse(v))),multiply(u,w)),
    inference(spr,[status(thm),theory(equality)],[20,3]),
    [iquote('0:SpR:20.0,3.0')] ).

cnf(59,plain,
    equal(multiply(multiply(u,v),multiply(w,inverse(u))),multiply(w,v)),
    inference(spr,[status(thm),theory(equality)],[46,4]),
    [iquote('0:SpR:46.0,4.0')] ).

cnf(162,plain,
    equal(multiply(multiply(u,v),w),multiply(multiply(u,w),v)),
    inference(spr,[status(thm),theory(equality)],[59,52]),
    [iquote('0:SpR:59.0,52.0')] ).

cnf(170,plain,
    equal(multiply(u,multiply(v,inverse(w))),multiply(v,multiply(u,inverse(w)))),
    inference(spr,[status(thm),theory(equality)],[20,59]),
    [iquote('0:SpR:20.0,59.0')] ).

cnf(198,plain,
    equal(multiply(u,multiply(multiply(v,inverse(v)),w)),multiply(u,w)),
    inference(spr,[status(thm),theory(equality)],[162,52]),
    [iquote('0:SpR:162.0,52.0')] ).

cnf(250,plain,
    equal(multiply(u,inverse(multiply(v,inverse(v)))),u),
    inference(spr,[status(thm),theory(equality)],[198,13]),
    [iquote('0:SpR:198.0,13.0')] ).

cnf(280,plain,
    equal(multiply(multiply(multiply(u,inverse(u)),v),w),multiply(w,v)),
    inference(spr,[status(thm),theory(equality)],[250,59]),
    [iquote('0:SpR:250.0,59.0')] ).

cnf(284,plain,
    equal(multiply(multiply(u,inverse(u)),v),v),
    inference(spr,[status(thm),theory(equality)],[250,20]),
    [iquote('0:SpR:250.0,20.0')] ).

cnf(289,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(rew,[status(thm),theory(equality)],[284,280]),
    [iquote('0:Rew:284.0,280.0')] ).

cnf(290,plain,
    ~ equal(multiply(a2,multiply(inverse(b2),b2)),a2),
    inference(rew,[status(thm),theory(equality)],[289,2]),
    [iquote('0:Rew:289.0,2.0')] ).

cnf(292,plain,
    ~ equal(multiply(b2,multiply(a2,inverse(b2))),a2),
    inference(rew,[status(thm),theory(equality)],[170,290,289]),
    [iquote('0:Rew:170.0,290.0,289.0,290.0')] ).

cnf(293,plain,
    ~ equal(a2,a2),
    inference(rew,[status(thm),theory(equality)],[20,292]),
    [iquote('0:Rew:20.0,292.0')] ).

cnf(294,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[293]),
    [iquote('0:Obv:293.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP514-1 : TPTP v8.1.0. Released v2.6.0.
% 0.06/0.13  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n021.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 : Mon Jun 13 13:41:12 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.20/0.45  
% 0.20/0.45  SPASS V 3.9 
% 0.20/0.45  SPASS beiseite: Proof found.
% 0.20/0.45  % SZS status Theorem
% 0.20/0.45  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.45  SPASS derived 219 clauses, backtracked 0 clauses, performed 0 splits and kept 73 clauses.
% 0.20/0.45  SPASS allocated 63543 KBytes.
% 0.20/0.45  SPASS spent	0:00:00.10 on the problem.
% 0.20/0.45  		0:00:00.03 for the input.
% 0.20/0.45  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.45  		0:00:00.00 for inferences.
% 0.20/0.45  		0:00:00.00 for the backtracking.
% 0.20/0.45  		0:00:00.04 for the reduction.
% 0.20/0.45  
% 0.20/0.45  
% 0.20/0.45  Here is a proof with depth 9, length 20 :
% 0.20/0.45  % SZS output start Refutation
% See solution above
% 0.20/0.45  Formulae used in the proof : single_axiom prove_these_axioms_2
% 0.20/0.45  
%------------------------------------------------------------------------------