TSTP Solution File: SEU267+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SEU267+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n024.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 : Tue Jul 19 14:35:41 EDT 2022

% Result   : Theorem 0.21s 0.45s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   10 (   4 unt;   0 nHn;  10 RR)
%            Number of literals    :   18 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 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(12,axiom,
    ( ~ equal(pair_second(ordered_pair(skc8,skc9)),skc9)
    | ~ equal(pair_first(ordered_pair(skc6,skc7)),skc6) ),
    file('SEU267+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ equal(u,pair_first(v))
    | ~ equal(v,ordered_pair(w,x))
    | equal(u,w) ),
    file('SEU267+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ equal(u,pair_second(v))
    | ~ equal(v,ordered_pair(w,x))
    | equal(u,x) ),
    file('SEU267+1.p',unknown),
    [] ).

cnf(29,plain,
    ( ~ equal(u,pair_second(ordered_pair(v,w)))
    | equal(u,w) ),
    inference(eqr,[status(thm),theory(equality)],[14]),
    [iquote('0:EqR:14.1')] ).

cnf(30,plain,
    equal(pair_second(ordered_pair(u,v)),v),
    inference(eqr,[status(thm),theory(equality)],[29]),
    [iquote('0:EqR:29.0')] ).

cnf(32,plain,
    ( ~ equal(skc9,skc9)
    | ~ equal(pair_first(ordered_pair(skc6,skc7)),skc6) ),
    inference(rew,[status(thm),theory(equality)],[30,12]),
    [iquote('0:Rew:30.0,12.0')] ).

cnf(33,plain,
    ~ equal(pair_first(ordered_pair(skc6,skc7)),skc6),
    inference(obv,[status(thm),theory(equality)],[32]),
    [iquote('0:Obv:32.0')] ).

cnf(35,plain,
    ( ~ equal(u,pair_first(ordered_pair(v,w)))
    | equal(u,v) ),
    inference(eqr,[status(thm),theory(equality)],[13]),
    [iquote('0:EqR:13.1')] ).

cnf(36,plain,
    equal(pair_first(ordered_pair(u,v)),u),
    inference(eqr,[status(thm),theory(equality)],[35]),
    [iquote('0:EqR:35.0')] ).

cnf(37,plain,
    $false,
    inference(unc,[status(thm)],[36,33]),
    [iquote('0:UnC:36.0,33.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SEU267+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.15/0.35  % Computer : n024.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 600
% 0.15/0.35  % DateTime : Sun Jun 19 10:06:32 EDT 2022
% 0.15/0.35  % CPUTime  : 
% 0.21/0.45  
% 0.21/0.45  SPASS V 3.9 
% 0.21/0.45  SPASS beiseite: Proof found.
% 0.21/0.45  % SZS status Theorem
% 0.21/0.45  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.21/0.45  SPASS derived 17 clauses, backtracked 0 clauses, performed 0 splits and kept 27 clauses.
% 0.21/0.45  SPASS allocated 97784 KBytes.
% 0.21/0.45  SPASS spent	0:00:00.09 on the problem.
% 0.21/0.45  		0:00:00.04 for the input.
% 0.21/0.45  		0:00:00.03 for the FLOTTER CNF translation.
% 0.21/0.45  		0:00:00.00 for inferences.
% 0.21/0.45  		0:00:00.00 for the backtracking.
% 0.21/0.45  		0:00:00.00 for the reduction.
% 0.21/0.45  
% 0.21/0.45  
% 0.21/0.45  Here is a proof with depth 2, length 10 :
% 0.21/0.45  % SZS output start Refutation
% See solution above
% 0.21/0.45  Formulae used in the proof : t7_mcart_1 d1_mcart_1 d2_mcart_1
% 0.21/0.45  
%------------------------------------------------------------------------------