TSTP Solution File: SET959+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET959+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n007.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 05:30:04 EDT 2022

% Result   : Theorem 0.20s 0.44s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   18 (   5 unt;   2 nHn;  18 RR)
%            Number of literals    :   35 (   0 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   4 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ~ equal(skc5,skc4),
    file('SET959+1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ in(u,skc5)
    | equal(ordered_pair(skf6(u),skf5(u)),u) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ in(ordered_pair(u,v),skc5)
    | in(ordered_pair(u,v),skc4) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ in(ordered_pair(u,v),skc4)
    | in(ordered_pair(u,v),skc5) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ in(u,skc4)
    | equal(ordered_pair(skf8(u),skf7(u)),u) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ in(skf9(u,v),u)
    | ~ in(skf9(u,v),v) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( equal(u,v)
    | in(skf9(v,u),v)
    | in(skf9(v,u),u) ),
    file('SET959+1.p',unknown),
    [] ).

cnf(16,plain,
    ( in(skf9(skc5,skc4),skc5)
    | in(skf9(skc5,skc4),skc4) ),
    inference(res,[status(thm),theory(equality)],[13,3]),
    [iquote('0:Res:13.2,3.0')] ).

cnf(49,plain,
    ( ~ in(u,skc4)
    | ~ in(ordered_pair(skf8(u),skf7(u)),skc4)
    | in(u,skc5) ),
    inference(spr,[status(thm),theory(equality)],[11,10]),
    [iquote('0:SpR:11.1,10.1')] ).

cnf(53,plain,
    ( ~ in(u,skc4)
    | ~ in(u,skc4)
    | in(u,skc5) ),
    inference(rew,[status(thm),theory(equality)],[11,49]),
    [iquote('0:Rew:11.1,49.1')] ).

cnf(54,plain,
    ( ~ in(u,skc4)
    | in(u,skc5) ),
    inference(obv,[status(thm),theory(equality)],[53]),
    [iquote('0:Obv:53.0')] ).

cnf(55,plain,
    in(skf9(skc5,skc4),skc5),
    inference(mrr,[status(thm)],[16,54]),
    [iquote('0:MRR:16.1,54.0')] ).

cnf(58,plain,
    ( ~ in(u,skc5)
    | ~ in(u,skc5)
    | in(ordered_pair(skf6(u),skf5(u)),skc4) ),
    inference(spl,[status(thm),theory(equality)],[8,9]),
    [iquote('0:SpL:8.1,9.0')] ).

cnf(60,plain,
    ( ~ in(u,skc5)
    | in(ordered_pair(skf6(u),skf5(u)),skc4) ),
    inference(obv,[status(thm),theory(equality)],[58]),
    [iquote('0:Obv:58.0')] ).

cnf(61,plain,
    ( ~ in(u,skc5)
    | in(u,skc4) ),
    inference(rew,[status(thm),theory(equality)],[8,60]),
    [iquote('0:Rew:8.1,60.1')] ).

cnf(66,plain,
    ~ in(skf9(skc5,skc4),skc4),
    inference(res,[status(thm),theory(equality)],[55,12]),
    [iquote('0:Res:55.0,12.0')] ).

cnf(71,plain,
    in(skf9(skc5,skc4),skc4),
    inference(res,[status(thm),theory(equality)],[55,61]),
    [iquote('0:Res:55.0,61.0')] ).

cnf(73,plain,
    $false,
    inference(mrr,[status(thm)],[71,66]),
    [iquote('0:MRR:71.0,66.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET959+1 : TPTP v8.1.0. Bugfixed v4.0.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n007.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 : Sun Jul 10 16:53:32 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.20/0.44  
% 0.20/0.44  SPASS V 3.9 
% 0.20/0.44  SPASS beiseite: Proof found.
% 0.20/0.44  % SZS status Theorem
% 0.20/0.44  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.44  SPASS derived 48 clauses, backtracked 0 clauses, performed 0 splits and kept 42 clauses.
% 0.20/0.44  SPASS allocated 85124 KBytes.
% 0.20/0.44  SPASS spent	0:00:00.09 on the problem.
% 0.20/0.44  		0:00:00.04 for the input.
% 0.20/0.44  		0:00:00.03 for the FLOTTER CNF translation.
% 0.20/0.44  		0:00:00.00 for inferences.
% 0.20/0.44  		0:00:00.00 for the backtracking.
% 0.20/0.44  		0:00:00.00 for the reduction.
% 0.20/0.44  
% 0.20/0.44  
% 0.20/0.44  Here is a proof with depth 2, length 18 :
% 0.20/0.44  % SZS output start Refutation
% See solution above
% 0.20/0.44  Formulae used in the proof : t112_zfmisc_1 t2_tarski antisymmetry_r2_hidden
% 0.20/0.44  
%------------------------------------------------------------------------------