TSTP Solution File: SEU120+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SEU120+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n003.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 14:34:04 EDT 2022

% Result   : Theorem 0.20s 0.44s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   20 (   7 unt;   4 nHn;  20 RR)
%            Number of literals    :   34 (   0 equ;  14 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    disjoint(skc10,skc9),
    file('SEU120+1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(set_intersection2(u,v),set_intersection2(v,u)),
    file('SEU120+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( equal(u,empty_set)
    | in(skf1(u),u) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( skP0(skc7,skc8)
    | in(skc11,set_intersection2(skc10,skc9)) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ skP0(u,v)
    | ~ disjoint(v,u) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ in(u,v)
    | ~ equal(v,empty_set) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ disjoint(u,v)
    | equal(set_intersection2(u,v),empty_set) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ equal(set_intersection2(u,v),empty_set)
    | disjoint(u,v) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ skP0(u,v)
    | ~ in(w,set_intersection2(v,u)) ),
    file('SEU120+1.p',unknown),
    [] ).

cnf(16,plain,
    ( skP0(skc7,skc8)
    | in(skc11,set_intersection2(skc9,skc10)) ),
    inference(rew,[status(thm),theory(equality)],[6,9]),
    [iquote('0:Rew:6.0,9.1')] ).

cnf(17,plain,
    equal(set_intersection2(skc10,skc9),empty_set),
    inference(res,[status(thm),theory(equality)],[3,13]),
    [iquote('0:Res:3.0,13.0')] ).

cnf(21,plain,
    equal(set_intersection2(skc9,skc10),empty_set),
    inference(rew,[status(thm),theory(equality)],[6,17]),
    [iquote('0:Rew:6.0,17.0')] ).

cnf(22,plain,
    ( in(skc11,empty_set)
    | skP0(skc7,skc8) ),
    inference(rew,[status(thm),theory(equality)],[21,16]),
    [iquote('0:Rew:21.0,16.1')] ).

cnf(36,plain,
    ( ~ equal(empty_set,empty_set)
    | skP0(skc7,skc8) ),
    inference(res,[status(thm),theory(equality)],[22,12]),
    [iquote('0:Res:22.0,12.0')] ).

cnf(38,plain,
    skP0(skc7,skc8),
    inference(obv,[status(thm),theory(equality)],[36]),
    [iquote('0:Obv:36.0')] ).

cnf(62,plain,
    ( ~ skP0(u,v)
    | equal(set_intersection2(v,u),empty_set) ),
    inference(res,[status(thm),theory(equality)],[7,15]),
    [iquote('0:Res:7.1,15.1')] ).

cnf(92,plain,
    ( ~ skP0(u,v)
    | ~ equal(empty_set,empty_set)
    | disjoint(v,u) ),
    inference(spl,[status(thm),theory(equality)],[62,14]),
    [iquote('0:SpL:62.1,14.0')] ).

cnf(95,plain,
    ( ~ skP0(u,v)
    | disjoint(v,u) ),
    inference(obv,[status(thm),theory(equality)],[92]),
    [iquote('0:Obv:92.1')] ).

cnf(96,plain,
    ~ skP0(u,v),
    inference(mrr,[status(thm)],[95,10]),
    [iquote('0:MRR:95.1,10.1')] ).

cnf(97,plain,
    $false,
    inference(unc,[status(thm)],[96,38]),
    [iquote('0:UnC:96.0,38.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU120+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n003.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 23:37:59 EDT 2022
% 0.13/0.35  % 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/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.44  SPASS derived 69 clauses, backtracked 1 clauses, performed 1 splits and kept 38 clauses.
% 0.20/0.44  SPASS allocated 85156 KBytes.
% 0.20/0.44  SPASS spent	0:00:00.08 on the problem.
% 0.20/0.44  		0:00:00.03 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 20 :
% 0.20/0.44  % SZS output start Refutation
% See solution above
% 0.20/0.44  Formulae used in the proof : t4_xboole_0 d1_xboole_0 idempotence_k3_xboole_0 d7_xboole_0 symmetry_r1_xboole_0 commutativity_k3_xboole_0
% 0.20/0.44  
%------------------------------------------------------------------------------