TSTP Solution File: SET929+1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n025.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 05:29:54 EDT 2022

% Result   : Theorem 0.21s 0.45s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   24 (  11 unt;   2 nHn;  24 RR)
%            Number of literals    :   40 (   0 equ;  22 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(7,axiom,
    ( ~ equal(set_difference(u,v),empty_set)
    | subset(u,v) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ subset(u,v)
    | equal(set_difference(u,v),empty_set) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ subset(unordered_pair(u,v),w)
    | in(u,w) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ subset(unordered_pair(u,v),w)
    | in(v,w) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(11,axiom,
    ( in(skc5,skc7)
    | equal(set_difference(unordered_pair(skc5,skc6),skc7),empty_set) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( in(skc6,skc7)
    | equal(set_difference(unordered_pair(skc5,skc6),skc7),empty_set) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ in(u,v)
    | ~ in(w,v)
    | subset(unordered_pair(u,w),v) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ in(skc6,skc7)
    | ~ in(skc5,skc7)
    | ~ equal(set_difference(unordered_pair(skc5,skc6),skc7),empty_set) ),
    file('SET929+1.p',unknown),
    [] ).

cnf(15,plain,
    equal(set_difference(unordered_pair(skc5,skc6),skc7),empty_set),
    inference(spt,[spt(split,[position(s1)])],[12]),
    [iquote('1:Spt:12.1')] ).

cnf(16,plain,
    ( ~ in(skc6,skc7)
    | ~ in(skc5,skc7)
    | ~ equal(empty_set,empty_set) ),
    inference(rew,[status(thm),theory(equality)],[15,14]),
    [iquote('1:Rew:15.0,14.2')] ).

cnf(17,plain,
    ( ~ in(skc6,skc7)
    | ~ in(skc5,skc7) ),
    inference(obv,[status(thm),theory(equality)],[16]),
    [iquote('1:Obv:16.2')] ).

cnf(25,plain,
    ( ~ equal(empty_set,empty_set)
    | subset(unordered_pair(skc5,skc6),skc7) ),
    inference(spl,[status(thm),theory(equality)],[15,7]),
    [iquote('1:SpL:15.0,7.0')] ).

cnf(27,plain,
    subset(unordered_pair(skc5,skc6),skc7),
    inference(obv,[status(thm),theory(equality)],[25]),
    [iquote('1:Obv:25.0')] ).

cnf(31,plain,
    in(skc6,skc7),
    inference(res,[status(thm),theory(equality)],[27,10]),
    [iquote('1:Res:27.0,10.0')] ).

cnf(32,plain,
    ~ in(skc5,skc7),
    inference(mrr,[status(thm)],[17,31]),
    [iquote('1:MRR:17.0,31.0')] ).

cnf(37,plain,
    in(skc5,skc7),
    inference(res,[status(thm),theory(equality)],[27,9]),
    [iquote('1:Res:27.0,9.0')] ).

cnf(38,plain,
    $false,
    inference(mrr,[status(thm)],[37,32]),
    [iquote('1:MRR:37.0,32.0')] ).

cnf(39,plain,
    ~ equal(set_difference(unordered_pair(skc5,skc6),skc7),empty_set),
    inference(spt,[spt(split,[position(sa)])],[38,15]),
    [iquote('1:Spt:38.0,12.1,15.0')] ).

cnf(40,plain,
    in(skc6,skc7),
    inference(spt,[spt(split,[position(s2)])],[12]),
    [iquote('1:Spt:38.0,12.0')] ).

cnf(41,plain,
    in(skc5,skc7),
    inference(mrr,[status(thm)],[11,39]),
    [iquote('1:MRR:11.1,39.0')] ).

cnf(47,plain,
    ( ~ subset(unordered_pair(skc5,skc6),skc7)
    | ~ equal(empty_set,empty_set) ),
    inference(spl,[status(thm),theory(equality)],[8,39]),
    [iquote('1:SpL:8.1,39.0')] ).

cnf(48,plain,
    ~ subset(unordered_pair(skc5,skc6),skc7),
    inference(obv,[status(thm),theory(equality)],[47]),
    [iquote('1:Obv:47.1')] ).

cnf(60,plain,
    ( ~ in(skc5,skc7)
    | ~ in(skc6,skc7) ),
    inference(res,[status(thm),theory(equality)],[13,48]),
    [iquote('1:Res:13.2,48.0')] ).

cnf(61,plain,
    $false,
    inference(mrr,[status(thm)],[60,41,40]),
    [iquote('1:MRR:60.0,60.1,41.0,40.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET929+1 : TPTP v8.1.0. Released v3.2.0.
% 0.14/0.14  % Command  : run_spass %d %s
% 0.14/0.35  % Computer : n025.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Sat Jul  9 21:55:31 EDT 2022
% 0.14/0.36  % 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 39 clauses, backtracked 4 clauses, performed 1 splits and kept 32 clauses.
% 0.21/0.45  SPASS allocated 85133 KBytes.
% 0.21/0.45  SPASS spent	0:00:00.08 on the problem.
% 0.21/0.45  		0:00:00.03 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 3, length 24 :
% 0.21/0.45  % SZS output start Refutation
% See solution above
% 0.21/0.45  Formulae used in the proof : t37_xboole_1 t38_zfmisc_1 t73_zfmisc_1
% 0.21/0.45  
%------------------------------------------------------------------------------