TSTP Solution File: GRP539-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP539-1 : TPTP v8.1.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n008.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 11:47:57 EDT 2022

% Result   : Unsatisfiable 0.18s 0.52s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   55 (  55 unt;   0 nHn;  55 RR)
%            Number of literals    :   55 (   0 equ;   5 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    :   11 (  11 usr;   8 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(divide(divide(u,v),divide(divide(u,w),v)),w),
    file('GRP539-1.p',unknown),
    [] ).

cnf(2,axiom,
    equal(divide(u,divide(divide(v,v),w)),multiply(u,w)),
    file('GRP539-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(divide(divide(u,u),v),inverse(v)),
    file('GRP539-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(divide(u,u),identity),
    file('GRP539-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ equal(multiply(multiply(a3,b3),c3),multiply(a3,multiply(b3,c3))),
    file('GRP539-1.p',unknown),
    [] ).

cnf(6,plain,
    equal(divide(identity,u),inverse(u)),
    inference(rew,[status(thm),theory(equality)],[4,3]),
    [iquote('0:Rew:4.0,3.0')] ).

cnf(7,plain,
    equal(divide(u,inverse(v)),multiply(u,v)),
    inference(rew,[status(thm),theory(equality)],[6,2,4]),
    [iquote('0:Rew:6.0,2.0,4.0,2.0')] ).

cnf(9,plain,
    equal(inverse(identity),identity),
    inference(spr,[status(thm),theory(equality)],[6,4]),
    [iquote('0:SpR:6.0,4.0')] ).

cnf(13,plain,
    equal(multiply(identity,u),inverse(inverse(u))),
    inference(spr,[status(thm),theory(equality)],[7,6]),
    [iquote('0:SpR:7.0,6.0')] ).

cnf(15,plain,
    equal(divide(u,identity),multiply(u,identity)),
    inference(spr,[status(thm),theory(equality)],[9,7]),
    [iquote('0:SpR:9.0,7.0')] ).

cnf(20,plain,
    equal(divide(divide(u,v),divide(identity,v)),u),
    inference(spr,[status(thm),theory(equality)],[4,1]),
    [iquote('0:SpR:4.0,1.0')] ).

cnf(23,plain,
    equal(divide(divide(u,divide(u,v)),identity),v),
    inference(spr,[status(thm),theory(equality)],[4,1]),
    [iquote('0:SpR:4.0,1.0')] ).

cnf(24,plain,
    equal(divide(divide(u,inverse(v)),multiply(divide(u,w),v)),w),
    inference(spr,[status(thm),theory(equality)],[7,1]),
    [iquote('0:SpR:7.0,1.0')] ).

cnf(25,plain,
    equal(divide(identity,divide(divide(u,v),u)),v),
    inference(spr,[status(thm),theory(equality)],[4,1]),
    [iquote('0:SpR:4.0,1.0')] ).

cnf(28,plain,
    equal(multiply(divide(u,v),v),u),
    inference(rew,[status(thm),theory(equality)],[7,20,6]),
    [iquote('0:Rew:7.0,20.0,6.0,20.0')] ).

cnf(29,plain,
    equal(multiply(divide(u,divide(u,v)),identity),v),
    inference(rew,[status(thm),theory(equality)],[15,23]),
    [iquote('0:Rew:15.0,23.0')] ).

cnf(30,plain,
    equal(inverse(divide(divide(u,v),u)),v),
    inference(rew,[status(thm),theory(equality)],[6,25]),
    [iquote('0:Rew:6.0,25.0')] ).

cnf(33,plain,
    equal(divide(multiply(u,v),multiply(divide(u,w),v)),w),
    inference(rew,[status(thm),theory(equality)],[7,24]),
    [iquote('0:Rew:7.0,24.0')] ).

cnf(52,plain,
    equal(multiply(identity,u),u),
    inference(spr,[status(thm),theory(equality)],[4,28]),
    [iquote('0:SpR:4.0,28.0')] ).

cnf(54,plain,
    equal(multiply(multiply(u,v),inverse(v)),u),
    inference(spr,[status(thm),theory(equality)],[7,28]),
    [iquote('0:SpR:7.0,28.0')] ).

cnf(57,plain,
    equal(inverse(inverse(u)),u),
    inference(rew,[status(thm),theory(equality)],[13,52]),
    [iquote('0:Rew:13.0,52.0')] ).

cnf(61,plain,
    equal(multiply(u,inverse(v)),divide(u,v)),
    inference(spr,[status(thm),theory(equality)],[57,7]),
    [iquote('0:SpR:57.0,7.0')] ).

cnf(64,plain,
    equal(divide(multiply(u,v),v),u),
    inference(rew,[status(thm),theory(equality)],[61,54]),
    [iquote('0:Rew:61.0,54.0')] ).

cnf(85,plain,
    equal(divide(divide(u,v),u),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[30,57]),
    [iquote('0:SpR:30.0,57.0')] ).

cnf(89,plain,
    equal(inverse(divide(inverse(u),identity)),u),
    inference(spr,[status(thm),theory(equality)],[6,30]),
    [iquote('0:SpR:6.0,30.0')] ).

cnf(97,plain,
    equal(inverse(multiply(inverse(u),identity)),u),
    inference(rew,[status(thm),theory(equality)],[15,89]),
    [iquote('0:Rew:15.0,89.0')] ).

cnf(104,plain,
    equal(multiply(inverse(u),identity),inverse(u)),
    inference(spr,[status(thm),theory(equality)],[97,57]),
    [iquote('0:SpR:97.0,57.0')] ).

cnf(121,plain,
    equal(multiply(u,identity),u),
    inference(spr,[status(thm),theory(equality)],[57,104]),
    [iquote('0:SpR:57.0,104.0')] ).

cnf(124,plain,
    equal(divide(u,divide(u,v)),v),
    inference(rew,[status(thm),theory(equality)],[121,29]),
    [iquote('0:Rew:121.0,29.0')] ).

cnf(144,plain,
    equal(multiply(u,divide(v,u)),v),
    inference(spr,[status(thm),theory(equality)],[124,28]),
    [iquote('0:SpR:124.0,28.0')] ).

cnf(151,plain,
    equal(divide(u,multiply(u,v)),inverse(v)),
    inference(spr,[status(thm),theory(equality)],[7,124]),
    [iquote('0:SpR:7.0,124.0')] ).

cnf(174,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(spr,[status(thm),theory(equality)],[64,144]),
    [iquote('0:SpR:64.0,144.0')] ).

cnf(176,plain,
    ~ equal(multiply(c3,multiply(a3,b3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[174,5]),
    [iquote('0:Rew:174.0,5.0')] ).

cnf(205,plain,
    equal(multiply(inverse(u),v),divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[61,174]),
    [iquote('0:SpR:61.0,174.0')] ).

cnf(226,plain,
    equal(inverse(divide(u,v)),divide(v,u)),
    inference(spr,[status(thm),theory(equality)],[124,85]),
    [iquote('0:SpR:124.0,85.0')] ).

cnf(238,plain,
    equal(divide(inverse(u),v),inverse(multiply(v,u))),
    inference(spr,[status(thm),theory(equality)],[151,85]),
    [iquote('0:SpR:151.0,85.0')] ).

cnf(261,plain,
    equal(divide(inverse(u),v),divide(inverse(v),u)),
    inference(spr,[status(thm),theory(equality)],[205,61]),
    [iquote('0:SpR:205.0,61.0')] ).

cnf(272,plain,
    equal(inverse(multiply(u,v)),inverse(multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[238,261]),
    [iquote('0:Rew:238.0,261.0,238.0,261.0')] ).

cnf(294,plain,
    equal(multiply(multiply(divide(u,v),w),v),multiply(u,w)),
    inference(spr,[status(thm),theory(equality)],[33,144]),
    [iquote('0:SpR:33.0,144.0')] ).

cnf(295,plain,
    equal(divide(multiply(u,v),w),multiply(divide(u,w),v)),
    inference(spr,[status(thm),theory(equality)],[33,124]),
    [iquote('0:SpR:33.0,124.0')] ).

cnf(326,plain,
    equal(multiply(u,multiply(divide(v,u),w)),multiply(v,w)),
    inference(rew,[status(thm),theory(equality)],[174,294]),
    [iquote('0:Rew:174.0,294.0')] ).

cnf(374,plain,
    equal(divide(u,divide(v,w)),multiply(divide(w,v),u)),
    inference(spr,[status(thm),theory(equality)],[226,205]),
    [iquote('0:SpR:226.0,205.0')] ).

cnf(437,plain,
    equal(divide(u,inverse(multiply(v,w))),multiply(u,multiply(w,v))),
    inference(spr,[status(thm),theory(equality)],[272,7]),
    [iquote('0:SpR:272.0,7.0')] ).

cnf(471,plain,
    equal(multiply(u,multiply(v,w)),multiply(u,multiply(w,v))),
    inference(rew,[status(thm),theory(equality)],[7,437]),
    [iquote('0:Rew:7.0,437.0')] ).

cnf(646,plain,
    equal(multiply(u,multiply(divide(v,divide(u,w)),x)),multiply(w,multiply(v,x))),
    inference(spr,[status(thm),theory(equality)],[326]),
    [iquote('0:SpR:326.0,326.0')] ).

cnf(678,plain,
    equal(multiply(u,multiply(multiply(divide(v,u),w),x)),multiply(v,multiply(w,x))),
    inference(rew,[status(thm),theory(equality)],[374,646]),
    [iquote('0:Rew:374.0,646.0')] ).

cnf(683,plain,
    equal(multiply(u,multiply(multiply(divide(v,u),w),x)),multiply(multiply(v,w),x)),
    inference(spr,[status(thm),theory(equality)],[295,326]),
    [iquote('0:SpR:295.0,326.0')] ).

cnf(714,plain,
    equal(multiply(multiply(u,v),w),multiply(u,multiply(v,w))),
    inference(rew,[status(thm),theory(equality)],[678,683]),
    [iquote('0:Rew:678.0,683.0')] ).

cnf(1006,plain,
    equal(multiply(u,multiply(v,w)),multiply(multiply(w,v),u)),
    inference(spr,[status(thm),theory(equality)],[471,174]),
    [iquote('0:SpR:471.0,174.0')] ).

cnf(1062,plain,
    equal(multiply(u,multiply(v,w)),multiply(w,multiply(v,u))),
    inference(rew,[status(thm),theory(equality)],[714,1006]),
    [iquote('0:Rew:714.0,1006.0')] ).

cnf(1063,plain,
    ~ equal(multiply(b3,multiply(a3,c3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[1062,176]),
    [iquote('0:Rew:1062.0,176.0')] ).

cnf(1430,plain,
    equal(multiply(u,multiply(v,w)),multiply(w,multiply(u,v))),
    inference(spr,[status(thm),theory(equality)],[714,174]),
    [iquote('0:SpR:714.0,174.0')] ).

cnf(1467,plain,
    ~ equal(multiply(a3,multiply(c3,b3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[1430,1063]),
    [iquote('0:Rew:1430.0,1063.0')] ).

cnf(1479,plain,
    ~ equal(multiply(a3,multiply(b3,c3)),multiply(a3,multiply(b3,c3))),
    inference(rew,[status(thm),theory(equality)],[174,1467]),
    [iquote('0:Rew:174.0,1467.0')] ).

cnf(1480,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[1479]),
    [iquote('0:Obv:1479.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : GRP539-1 : TPTP v8.1.0. Released v2.6.0.
% 0.00/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n008.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 20:56:52 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.52  
% 0.18/0.52  SPASS V 3.9 
% 0.18/0.52  SPASS beiseite: Proof found.
% 0.18/0.52  % SZS status Theorem
% 0.18/0.52  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.18/0.52  SPASS derived 794 clauses, backtracked 0 clauses, performed 0 splits and kept 158 clauses.
% 0.18/0.52  SPASS allocated 64293 KBytes.
% 0.18/0.52  SPASS spent	0:00:00.17 on the problem.
% 0.18/0.52  		0:00:00.03 for the input.
% 0.18/0.52  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.52  		0:00:00.01 for inferences.
% 0.18/0.52  		0:00:00.00 for the backtracking.
% 0.18/0.52  		0:00:00.11 for the reduction.
% 0.18/0.52  
% 0.18/0.52  
% 0.18/0.52  Here is a proof with depth 7, length 55 :
% 0.18/0.52  % SZS output start Refutation
% See solution above
% 0.18/0.52  Formulae used in the proof : single_axiom multiply inverse identity prove_these_axioms_3
% 0.18/0.52  
%------------------------------------------------------------------------------