TSTP Solution File: ROB003-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : ROB003-1 : TPTP v8.1.0. Released v1.0.0.
% 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 : Mon Jul 18 20:56:11 EDT 2022

% Result   : Unsatisfiable 0.58s 0.74s
% Output   : Refutation 0.58s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   23 (  23 unt;   0 nHn;  23 RR)
%            Number of literals    :   23 (   0 equ;   3 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    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(add(u,c),c),
    file('ROB003-1.p',unknown),
    [] ).

cnf(2,axiom,
    ~ equal(add(negate(add(a,negate(b))),negate(add(negate(a),negate(b)))),b),
    file('ROB003-1.p',unknown),
    [] ).

cnf(3,axiom,
    equal(add(u,v),add(v,u)),
    file('ROB003-1.p',unknown),
    [] ).

cnf(4,axiom,
    equal(add(add(u,v),w),add(u,add(v,w))),
    file('ROB003-1.p',unknown),
    [] ).

cnf(5,axiom,
    equal(negate(add(negate(add(u,v)),negate(add(u,negate(v))))),u),
    file('ROB003-1.p',unknown),
    [] ).

cnf(7,plain,
    equal(add(c,u),c),
    inference(spr,[status(thm),theory(equality)],[3,1]),
    [iquote('0:SpR:3.0,1.0')] ).

cnf(36,plain,
    equal(negate(add(negate(add(u,v)),negate(add(negate(v),u)))),u),
    inference(spr,[status(thm),theory(equality)],[3,5]),
    [iquote('0:SpR:3.0,5.0')] ).

cnf(38,plain,
    equal(negate(add(negate(add(c,u)),negate(c))),c),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(40,plain,
    equal(negate(add(negate(c),negate(add(u,negate(c))))),u),
    inference(spr,[status(thm),theory(equality)],[1,5]),
    [iquote('0:SpR:1.0,5.0')] ).

cnf(45,plain,
    equal(negate(add(negate(c),negate(c))),c),
    inference(rew,[status(thm),theory(equality)],[7,38]),
    [iquote('0:Rew:7.0,38.0')] ).

cnf(53,plain,
    equal(negate(add(negate(add(u,add(negate(c),negate(c)))),negate(add(u,c)))),u),
    inference(spr,[status(thm),theory(equality)],[45,5]),
    [iquote('0:SpR:45.0,5.0')] ).

cnf(61,plain,
    equal(negate(add(negate(c),negate(add(u,add(negate(c),negate(c)))))),u),
    inference(rew,[status(thm),theory(equality)],[3,53,1]),
    [iquote('0:Rew:3.0,53.0,1.0,53.0')] ).

cnf(66,plain,
    equal(negate(add(negate(c),negate(add(negate(c),u)))),u),
    inference(spr,[status(thm),theory(equality)],[3,40]),
    [iquote('0:SpR:3.0,40.0')] ).

cnf(69,plain,
    equal(negate(add(negate(c),negate(add(u,add(v,negate(c)))))),add(u,v)),
    inference(spr,[status(thm),theory(equality)],[4,40]),
    [iquote('0:SpR:4.0,40.0')] ).

cnf(73,plain,
    equal(add(u,negate(c)),u),
    inference(rew,[status(thm),theory(equality)],[69,61]),
    [iquote('0:Rew:69.0,61.0')] ).

cnf(75,plain,
    equal(negate(add(negate(c),negate(u))),u),
    inference(rew,[status(thm),theory(equality)],[73,40]),
    [iquote('0:Rew:73.0,40.0')] ).

cnf(78,plain,
    equal(add(negate(c),u),u),
    inference(rew,[status(thm),theory(equality)],[75,66]),
    [iquote('0:Rew:75.0,66.0')] ).

cnf(79,plain,
    equal(negate(negate(u)),u),
    inference(rew,[status(thm),theory(equality)],[78,75]),
    [iquote('0:Rew:78.0,75.0')] ).

cnf(966,plain,
    equal(add(negate(add(u,v)),negate(add(negate(v),u))),negate(u)),
    inference(spr,[status(thm),theory(equality)],[36,79]),
    [iquote('0:SpR:36.0,79.0')] ).

cnf(3209,plain,
    equal(add(negate(add(u,v)),negate(add(negate(u),v))),negate(v)),
    inference(spr,[status(thm),theory(equality)],[3,966]),
    [iquote('0:SpR:3.0,966.0')] ).

cnf(3266,plain,
    ~ equal(negate(negate(b)),b),
    inference(rew,[status(thm),theory(equality)],[3209,2]),
    [iquote('0:Rew:3209.0,2.0')] ).

cnf(3268,plain,
    ~ equal(b,b),
    inference(rew,[status(thm),theory(equality)],[79,3266]),
    [iquote('0:Rew:79.0,3266.0')] ).

cnf(3269,plain,
    $false,
    inference(obv,[status(thm),theory(equality)],[3268]),
    [iquote('0:Obv:3268.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : ROB003-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n021.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 : Thu Jun  9 13:10:38 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.58/0.74  
% 0.58/0.74  SPASS V 3.9 
% 0.58/0.74  SPASS beiseite: Proof found.
% 0.58/0.74  % SZS status Theorem
% 0.58/0.74  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.58/0.74  SPASS derived 2112 clauses, backtracked 0 clauses, performed 0 splits and kept 222 clauses.
% 0.58/0.74  SPASS allocated 65660 KBytes.
% 0.58/0.74  SPASS spent	0:00:00.37 on the problem.
% 0.58/0.74  		0:00:00.04 for the input.
% 0.58/0.74  		0:00:00.00 for the FLOTTER CNF translation.
% 0.58/0.74  		0:00:00.02 for inferences.
% 0.58/0.74  		0:00:00.00 for the backtracking.
% 0.58/0.74  		0:00:00.29 for the reduction.
% 0.58/0.74  
% 0.58/0.74  
% 0.58/0.74  Here is a proof with depth 3, length 23 :
% 0.58/0.74  % SZS output start Refutation
% See solution above
% 0.58/0.74  Formulae used in the proof : there_exists_a_constant prove_huntingtons_axiom commutativity_of_add associativity_of_add robbins_axiom
% 0.58/0.74  
%------------------------------------------------------------------------------