TSTP Solution File: GRP564-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP564-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n016.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 11:48:03 EDT 2022

% Result   : Unsatisfiable 0.20s 0.48s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   21 (  21 unt;   0 nHn;  21 RR)
%            Number of literals    :   21 (   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    :    9 (   9 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(divide(divide(divide(u,inverse(v)),w),divide(u,w)),v),
    file('GRP564-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(divide(u,inverse(v)),multiply(u,v)),
    file('GRP564-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(multiply(b,a),multiply(a,b)),
    file('GRP564-1.p',unknown),
    [] ).

cnf(4,plain,
    equal(divide(divide(multiply(u,v),w),divide(u,w)),v),
    inference(rew,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Rew:2.0,1.0')] ).

cnf(6,plain,
    equal(divide(divide(multiply(divide(multiply(u,v),w),x),divide(u,w)),v),x),
    inference(spr,[status(thm),theory(equality)],[4]),
    [iquote('0:SpR:4.0,4.0')] ).

cnf(8,plain,
    equal(divide(divide(multiply(u,v),inverse(w)),multiply(u,w)),v),
    inference(spr,[status(thm),theory(equality)],[2,4]),
    [iquote('0:SpR:2.0,4.0')] ).

cnf(10,plain,
    equal(divide(multiply(multiply(u,v),w),multiply(u,w)),v),
    inference(rew,[status(thm),theory(equality)],[2,8]),
    [iquote('0:Rew:2.0,8.0')] ).

cnf(15,plain,
    equal(multiply(divide(multiply(divide(multiply(u,inverse(v)),w),x),divide(u,w)),v),x),
    inference(spr,[status(thm),theory(equality)],[6,2]),
    [iquote('0:SpR:6.0,2.0')] ).

cnf(23,plain,
    equal(divide(divide(multiply(u,v),divide(multiply(w,u),multiply(w,x))),x),v),
    inference(spr,[status(thm),theory(equality)],[10,6]),
    [iquote('0:SpR:10.0,6.0')] ).

cnf(53,plain,
    equal(divide(divide(u,divide(divide(multiply(v,inverse(w)),x),divide(v,x))),u),w),
    inference(spr,[status(thm),theory(equality)],[15,6]),
    [iquote('0:SpR:15.0,6.0')] ).

cnf(74,plain,
    equal(divide(multiply(u,v),u),v),
    inference(rew,[status(thm),theory(equality)],[2,53,4]),
    [iquote('0:Rew:2.0,53.0,4.0,53.0')] ).

cnf(82,plain,
    equal(divide(u,divide(v,v)),u),
    inference(spr,[status(thm),theory(equality)],[74,4]),
    [iquote('0:SpR:74.0,4.0')] ).

cnf(98,plain,
    equal(multiply(divide(u,u),v),v),
    inference(spr,[status(thm),theory(equality)],[82,74]),
    [iquote('0:SpR:82.0,74.0')] ).

cnf(119,plain,
    equal(divide(multiply(u,v),multiply(divide(w,w),v)),u),
    inference(spr,[status(thm),theory(equality)],[98,10]),
    [iquote('0:SpR:98.0,10.0')] ).

cnf(138,plain,
    equal(divide(multiply(u,v),v),u),
    inference(rew,[status(thm),theory(equality)],[98,119]),
    [iquote('0:Rew:98.0,119.0')] ).

cnf(155,plain,
    equal(multiply(divide(multiply(u,v),divide(u,inverse(w))),w),v),
    inference(spr,[status(thm),theory(equality)],[138,15]),
    [iquote('0:SpR:138.0,15.0')] ).

cnf(164,plain,
    equal(divide(multiply(u,v),multiply(u,w)),divide(v,w)),
    inference(spr,[status(thm),theory(equality)],[138,23]),
    [iquote('0:SpR:138.0,23.0')] ).

cnf(191,plain,
    equal(multiply(divide(multiply(u,v),multiply(u,w)),w),v),
    inference(rew,[status(thm),theory(equality)],[2,155]),
    [iquote('0:Rew:2.0,155.0')] ).

cnf(192,plain,
    equal(multiply(divide(u,v),v),u),
    inference(rew,[status(thm),theory(equality)],[164,191]),
    [iquote('0:Rew:164.0,191.0')] ).

cnf(384,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(spr,[status(thm),theory(equality)],[74,192]),
    [iquote('0:SpR:74.0,192.0')] ).

cnf(392,plain,
    $false,
    inference(unc,[status(thm)],[384,3]),
    [iquote('0:UnC:384.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.12  % Problem  : GRP564-1 : TPTP v8.1.0. Bugfixed v2.7.0.
% 0.05/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n016.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Tue Jun 14 14:16:16 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.20/0.48  
% 0.20/0.48  SPASS V 3.9 
% 0.20/0.48  SPASS beiseite: Proof found.
% 0.20/0.48  % SZS status Theorem
% 0.20/0.48  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.48  SPASS derived 331 clauses, backtracked 0 clauses, performed 0 splits and kept 152 clauses.
% 0.20/0.48  SPASS allocated 63858 KBytes.
% 0.20/0.48  SPASS spent	0:00:00.13 on the problem.
% 0.20/0.48  		0:00:00.03 for the input.
% 0.20/0.48  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.48  		0:00:00.00 for inferences.
% 0.20/0.48  		0:00:00.00 for the backtracking.
% 0.20/0.48  		0:00:00.07 for the reduction.
% 0.20/0.48  
% 0.20/0.48  
% 0.20/0.48  Here is a proof with depth 8, length 21 :
% 0.20/0.48  % SZS output start Refutation
% See solution above
% 0.20/0.48  Formulae used in the proof : single_axiom multiply prove_these_axioms_4
% 0.20/0.48  
%------------------------------------------------------------------------------