TSTP Solution File: BOO004-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO004-4 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n028.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 : Thu Jul 14 23:49:22 EDT 2022

% Result   : Unsatisfiable 0.19s 0.43s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   26 (  26 unt;   0 nHn;  26 RR)
%            Number of literals    :   26 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    4 (   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(add(a,a),a),
    file('BOO004-4.p',unknown),
    [] ).

cnf(2,axiom,
    equal(add(u,v),add(v,u)),
    file('BOO004-4.p',unknown),
    [] ).

cnf(3,axiom,
    equal(multiply(u,v),multiply(v,u)),
    file('BOO004-4.p',unknown),
    [] ).

cnf(4,axiom,
    equal(multiply(add(u,v),add(u,w)),add(u,multiply(v,w))),
    file('BOO004-4.p',unknown),
    [] ).

cnf(5,axiom,
    equal(add(multiply(u,v),multiply(u,w)),multiply(u,add(v,w))),
    file('BOO004-4.p',unknown),
    [] ).

cnf(6,axiom,
    equal(add(u,additive_identity),u),
    file('BOO004-4.p',unknown),
    [] ).

cnf(7,axiom,
    equal(multiply(u,multiplicative_identity),u),
    file('BOO004-4.p',unknown),
    [] ).

cnf(8,axiom,
    equal(add(u,inverse(u)),multiplicative_identity),
    file('BOO004-4.p',unknown),
    [] ).

cnf(9,axiom,
    equal(multiply(u,inverse(u)),additive_identity),
    file('BOO004-4.p',unknown),
    [] ).

cnf(28,plain,
    equal(add(additive_identity,u),u),
    inference(spr,[status(thm),theory(equality)],[2,6]),
    [iquote('0:SpR:2.0,6.0')] ).

cnf(39,plain,
    equal(add(multiply(u,v),u),multiply(u,add(v,multiplicative_identity))),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(40,plain,
    equal(multiply(u,add(v,inverse(u))),add(multiply(u,v),additive_identity)),
    inference(spr,[status(thm),theory(equality)],[9,5]),
    [iquote('0:SpR:9.0,5.0')] ).

cnf(49,plain,
    equal(add(u,multiply(u,v)),multiply(u,add(v,multiplicative_identity))),
    inference(rew,[status(thm),theory(equality)],[2,39]),
    [iquote('0:Rew:2.0,39.0')] ).

cnf(53,plain,
    equal(multiply(u,add(v,inverse(u))),add(additive_identity,multiply(u,v))),
    inference(rew,[status(thm),theory(equality)],[2,40]),
    [iquote('0:Rew:2.0,40.0')] ).

cnf(54,plain,
    equal(multiply(u,add(v,inverse(u))),multiply(u,v)),
    inference(rew,[status(thm),theory(equality)],[28,53]),
    [iquote('0:Rew:28.0,53.0')] ).

cnf(72,plain,
    equal(multiply(u,multiplicative_identity),multiply(u,u)),
    inference(spr,[status(thm),theory(equality)],[8,54]),
    [iquote('0:SpR:8.0,54.0')] ).

cnf(75,plain,
    equal(multiply(u,inverse(u)),multiply(u,additive_identity)),
    inference(spr,[status(thm),theory(equality)],[28,54]),
    [iquote('0:SpR:28.0,54.0')] ).

cnf(76,plain,
    equal(multiply(u,u),u),
    inference(rew,[status(thm),theory(equality)],[7,72]),
    [iquote('0:Rew:7.0,72.0')] ).

cnf(78,plain,
    equal(multiply(u,additive_identity),additive_identity),
    inference(rew,[status(thm),theory(equality)],[9,75]),
    [iquote('0:Rew:9.0,75.0')] ).

cnf(97,plain,
    equal(multiply(add(u,v),u),add(u,multiply(v,additive_identity))),
    inference(spr,[status(thm),theory(equality)],[6,4]),
    [iquote('0:SpR:6.0,4.0')] ).

cnf(109,plain,
    equal(multiply(u,add(u,v)),u),
    inference(rew,[status(thm),theory(equality)],[3,97,6,78]),
    [iquote('0:Rew:3.0,97.0,6.0,97.0,78.0,97.0')] ).

cnf(132,plain,
    equal(add(u,multiply(u,v)),multiply(u,add(u,v))),
    inference(spr,[status(thm),theory(equality)],[76,5]),
    [iquote('0:SpR:76.0,5.0')] ).

cnf(141,plain,
    equal(multiply(u,add(v,multiplicative_identity)),u),
    inference(rew,[status(thm),theory(equality)],[49,132,109]),
    [iquote('0:Rew:49.0,132.0,109.0,132.0')] ).

cnf(142,plain,
    equal(add(u,multiply(u,v)),u),
    inference(rew,[status(thm),theory(equality)],[141,49]),
    [iquote('0:Rew:141.0,49.0')] ).

cnf(207,plain,
    equal(add(u,u),u),
    inference(spr,[status(thm),theory(equality)],[7,142]),
    [iquote('0:SpR:7.0,142.0')] ).

cnf(218,plain,
    $false,
    inference(unc,[status(thm)],[207,1]),
    [iquote('0:UnC:207.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : BOO004-4 : TPTP v8.1.0. Released v1.1.0.
% 0.10/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n028.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  1 17:01:52 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.43  
% 0.19/0.43  SPASS V 3.9 
% 0.19/0.43  SPASS beiseite: Proof found.
% 0.19/0.43  % SZS status Theorem
% 0.19/0.43  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.43  SPASS derived 162 clauses, backtracked 0 clauses, performed 0 splits and kept 53 clauses.
% 0.19/0.43  SPASS allocated 63272 KBytes.
% 0.19/0.43  SPASS spent	0:00:00.07 on the problem.
% 0.19/0.43  		0:00:00.04 for the input.
% 0.19/0.43  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.43  		0:00:00.00 for inferences.
% 0.19/0.43  		0:00:00.00 for the backtracking.
% 0.19/0.43  		0:00:00.01 for the reduction.
% 0.19/0.43  
% 0.19/0.43  
% 0.19/0.43  Here is a proof with depth 3, length 26 :
% 0.19/0.43  % SZS output start Refutation
% See solution above
% 0.19/0.43  Formulae used in the proof : prove_a_plus_a_is_a commutativity_of_add commutativity_of_multiply distributivity1 distributivity2 additive_id1 multiplicative_id1 additive_inverse1 multiplicative_inverse1
% 0.19/0.43  
%------------------------------------------------------------------------------