TSTP Solution File: SEU138+2 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SEU138+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.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 14:34:15 EDT 2022

% Result   : Theorem 1.46s 1.65s
% Output   : Refutation 1.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   32 (  14 unt;   6 nHn;  32 RR)
%            Number of literals    :   63 (   0 equ;  32 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   6 con; 0-3 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(17,axiom,
    equal(set_intersection2(u,v),set_intersection2(v,u)),
    file('SEU138+2.p',unknown),
    [] ).

cnf(43,axiom,
    ~ equal(set_difference(skc5,set_difference(skc5,skc4)),set_intersection2(skc5,skc4)),
    file('SEU138+2.p',unknown),
    [] ).

cnf(56,axiom,
    ( ~ in(u,v)
    | ~ equal(v,set_intersection2(w,x))
    | in(u,x) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(61,axiom,
    ( ~ in(u,v)
    | ~ in(u,w)
    | ~ equal(v,set_difference(x,w)) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(64,axiom,
    ( ~ in(u,v)
    | ~ equal(w,set_difference(v,x))
    | in(u,w)
    | in(u,x) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(65,axiom,
    ( ~ in(u,v)
    | ~ in(u,w)
    | ~ equal(x,set_intersection2(w,v))
    | in(u,x) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(68,axiom,
    ( equal(u,set_difference(v,w))
    | in(skf12(w,v,u),u)
    | in(skf12(w,v,u),v) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(69,axiom,
    ( ~ in(skf12(u,v,w),u)
    | equal(w,set_difference(v,u))
    | in(skf12(u,v,w),w) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(73,axiom,
    ( ~ in(skf12(u,v,w),v)
    | ~ in(skf12(u,v,w),w)
    | equal(w,set_difference(v,u))
    | in(skf12(u,v,w),u) ),
    file('SEU138+2.p',unknown),
    [] ).

cnf(76,plain,
    ~ equal(set_difference(skc5,set_difference(skc5,skc4)),set_intersection2(skc4,skc5)),
    inference(rew,[status(thm),theory(equality)],[17,43]),
    [iquote('0:Rew:17.0,43.0')] ).

cnf(89,plain,
    ( ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5)
    | ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_intersection2(skc4,skc5))
    | in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_difference(skc5,skc4)) ),
    inference(res,[status(thm),theory(equality)],[73,76]),
    [iquote('0:Res:73.3,76.0')] ).

cnf(90,plain,
    ( ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_difference(skc5,skc4))
    | in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_intersection2(skc4,skc5)) ),
    inference(res,[status(thm),theory(equality)],[69,76]),
    [iquote('0:Res:69.2,76.0')] ).

cnf(91,plain,
    ( in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5)
    | in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_intersection2(skc4,skc5)) ),
    inference(res,[status(thm),theory(equality)],[68,76]),
    [iquote('0:Res:68.2,76.0')] ).

cnf(92,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_intersection2(skc4,skc5)),
    inference(spt,[spt(split,[position(s1)])],[91]),
    [iquote('1:Spt:91.1')] ).

cnf(93,plain,
    ( ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5)
    | in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_difference(skc5,skc4)) ),
    inference(mrr,[status(thm)],[89,92]),
    [iquote('1:MRR:89.1,92.0')] ).

cnf(874,plain,
    ( ~ in(u,set_intersection2(v,w))
    | in(u,w) ),
    inference(eqr,[status(thm),theory(equality)],[56]),
    [iquote('0:EqR:56.1')] ).

cnf(911,plain,
    ( ~ in(u,set_intersection2(v,w))
    | in(u,v) ),
    inference(spl,[status(thm),theory(equality)],[17,874]),
    [iquote('0:SpL:17.0,874.0')] ).

cnf(916,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5),
    inference(res,[status(thm),theory(equality)],[92,874]),
    [iquote('1:Res:92.0,874.0')] ).

cnf(926,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_difference(skc5,skc4)),
    inference(mrr,[status(thm)],[93,916]),
    [iquote('1:MRR:93.0,916.0')] ).

cnf(987,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc4),
    inference(res,[status(thm),theory(equality)],[92,911]),
    [iquote('1:Res:92.0,911.0')] ).

cnf(1444,plain,
    ( ~ in(u,set_difference(v,w))
    | ~ in(u,w) ),
    inference(eqr,[status(thm),theory(equality)],[61]),
    [iquote('0:EqR:61.2')] ).

cnf(1920,plain,
    ( ~ in(u,v)
    | in(u,set_difference(v,w))
    | in(u,w) ),
    inference(eqr,[status(thm),theory(equality)],[64]),
    [iquote('0:EqR:64.1')] ).

cnf(2077,plain,
    ( ~ in(u,v)
    | ~ in(u,w)
    | in(u,set_intersection2(w,v)) ),
    inference(eqr,[status(thm),theory(equality)],[65]),
    [iquote('0:EqR:65.2')] ).

cnf(5271,plain,
    ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc4),
    inference(res,[status(thm),theory(equality)],[926,1444]),
    [iquote('1:Res:926.0,1444.0')] ).

cnf(5273,plain,
    $false,
    inference(mrr,[status(thm)],[5271,987]),
    [iquote('1:MRR:5271.0,987.0')] ).

cnf(5277,plain,
    ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_intersection2(skc4,skc5)),
    inference(spt,[spt(split,[position(sa)])],[5273,92]),
    [iquote('1:Spt:5273.0,91.1,92.0')] ).

cnf(5278,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5),
    inference(spt,[spt(split,[position(s2)])],[91]),
    [iquote('1:Spt:5273.0,91.0')] ).

cnf(5291,plain,
    ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),set_difference(skc5,skc4)),
    inference(mrr,[status(thm)],[90,5277]),
    [iquote('1:MRR:90.1,5277.0')] ).

cnf(6408,plain,
    ( ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5)
    | in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc4) ),
    inference(res,[status(thm),theory(equality)],[1920,5291]),
    [iquote('1:Res:1920.1,5291.0')] ).

cnf(6409,plain,
    in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc4),
    inference(mrr,[status(thm)],[6408,5278]),
    [iquote('1:MRR:6408.0,5278.0')] ).

cnf(7460,plain,
    ( ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc5)
    | ~ in(skf12(set_difference(skc5,skc4),skc5,set_intersection2(skc4,skc5)),skc4) ),
    inference(res,[status(thm),theory(equality)],[2077,5277]),
    [iquote('1:Res:2077.2,5277.0')] ).

cnf(7468,plain,
    $false,
    inference(mrr,[status(thm)],[7460,5278,6409]),
    [iquote('1:MRR:7460.0,7460.1,5278.0,6409.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU138+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n013.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 : Sun Jun 19 23:51:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.46/1.65  
% 1.46/1.65  SPASS V 3.9 
% 1.46/1.65  SPASS beiseite: Proof found.
% 1.46/1.65  % SZS status Theorem
% 1.46/1.65  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 1.46/1.65  SPASS derived 6204 clauses, backtracked 26 clauses, performed 1 splits and kept 2176 clauses.
% 1.46/1.65  SPASS allocated 102659 KBytes.
% 1.46/1.65  SPASS spent	0:00:01.27 on the problem.
% 1.46/1.65  		0:00:00.03 for the input.
% 1.46/1.65  		0:00:00.07 for the FLOTTER CNF translation.
% 1.46/1.65  		0:00:00.06 for inferences.
% 1.46/1.65  		0:00:00.01 for the backtracking.
% 1.46/1.65  		0:00:01.06 for the reduction.
% 1.46/1.65  
% 1.46/1.65  
% 1.46/1.65  Here is a proof with depth 3, length 32 :
% 1.46/1.65  % SZS output start Refutation
% See solution above
% 1.46/1.65  Formulae used in the proof : commutativity_k3_xboole_0 t48_xboole_1 d3_xboole_0 d4_xboole_0
% 1.46/1.65  
%------------------------------------------------------------------------------