TSTP Solution File: SEU102+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SEU102+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n019.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 14:33:58 EDT 2022

% Result   : Theorem 0.21s 0.52s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   27 (  14 unt;   9 nHn;  27 RR)
%            Number of literals    :   58 (   0 equ;  27 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    8 (   7 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(1,axiom,
    preboolean(skc7),
    file('SEU102+1.p',unknown),
    [] ).

cnf(9,axiom,
    element(skc9,skc7),
    file('SEU102+1.p',unknown),
    [] ).

cnf(10,axiom,
    element(skc8,skc7),
    file('SEU102+1.p',unknown),
    [] ).

cnf(11,axiom,
    ~ empty(skc7),
    file('SEU102+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ preboolean(u)
    | cup_closed(u) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(30,axiom,
    ( ~ preboolean(u)
    | diff_closed(u) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(42,axiom,
    ~ element(set_intersection2(skc9,skc8),skc7),
    file('SEU102+1.p',unknown),
    [] ).

cnf(47,axiom,
    equal(set_intersection2(u,v),set_intersection2(v,u)),
    file('SEU102+1.p',unknown),
    [] ).

cnf(52,axiom,
    ( ~ empty(u)
    | ~ in(v,u) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(57,axiom,
    ( ~ element(u,v)
    | empty(v)
    | in(u,v) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(58,axiom,
    equal(set_difference(u,set_difference(u,v)),set_intersection2(u,v)),
    file('SEU102+1.p',unknown),
    [] ).

cnf(63,axiom,
    ( ~ preboolean(u)
    | ~ element(v,u)
    | ~ element(w,u)
    | element(prebool_difference(u,w,v),u)
    | empty(u) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(64,axiom,
    ( ~ preboolean(u)
    | ~ element(v,u)
    | ~ element(w,u)
    | empty(u)
    | equal(prebool_difference(u,v,w),set_difference(v,w)) ),
    file('SEU102+1.p',unknown),
    [] ).

cnf(65,plain,
    ~ element(set_intersection2(skc8,skc9),skc7),
    inference(rew,[status(thm),theory(equality)],[47,42]),
    [iquote('0:Rew:47.0,42.0')] ).

cnf(66,plain,
    ( ~ preboolean(u)
    | ~ element(v,u)
    | ~ element(w,u)
    | empty(u)
    | element(set_difference(v,w),u) ),
    inference(rew,[status(thm),theory(equality)],[64,63]),
    [iquote('0:Rew:64.3,63.3')] ).

cnf(69,plain,
    cup_closed(skc7),
    inference(res,[status(thm),theory(equality)],[1,29]),
    [iquote('0:Res:1.0,29.0')] ).

cnf(70,plain,
    diff_closed(skc7),
    inference(res,[status(thm),theory(equality)],[1,30]),
    [iquote('0:Res:1.0,30.0')] ).

cnf(81,plain,
    ( ~ preboolean(skc7)
    | ~ element(u,skc7)
    | element(set_difference(skc8,u),skc7)
    | empty(skc7) ),
    inference(res,[status(thm),theory(equality)],[10,66]),
    [iquote('0:Res:10.0,66.2')] ).

cnf(88,plain,
    ( in(skc9,skc7)
    | empty(skc7) ),
    inference(res,[status(thm),theory(equality)],[9,57]),
    [iquote('0:Res:9.0,57.0')] ).

cnf(92,plain,
    in(skc9,skc7),
    inference(mrr,[status(thm)],[88,11]),
    [iquote('0:MRR:88.1,11.0')] ).

cnf(94,plain,
    ( ~ element(u,skc7)
    | element(set_difference(skc8,u),skc7) ),
    inference(mrr,[status(thm)],[81,1,11]),
    [iquote('0:MRR:81.0,81.3,1.0,11.0')] ).

cnf(113,plain,
    element(set_difference(skc8,skc9),skc7),
    inference(res,[status(thm),theory(equality)],[9,94]),
    [iquote('0:Res:9.0,94.0')] ).

cnf(168,plain,
    ~ empty(skc7),
    inference(res,[status(thm),theory(equality)],[92,52]),
    [iquote('0:Res:92.0,52.1')] ).

cnf(292,plain,
    ( ~ preboolean(u)
    | ~ element(v,u)
    | ~ element(set_difference(v,w),u)
    | empty(u)
    | element(set_intersection2(v,w),u) ),
    inference(spr,[status(thm),theory(equality)],[58,66]),
    [iquote('0:SpR:58.0,66.4')] ).

cnf(1049,plain,
    ( ~ preboolean(skc7)
    | ~ element(skc8,skc7)
    | empty(skc7)
    | element(set_intersection2(skc8,skc9),skc7) ),
    inference(res,[status(thm),theory(equality)],[113,292]),
    [iquote('0:Res:113.0,292.2')] ).

cnf(1059,plain,
    ( ~ element(skc8,skc7)
    | empty(skc7)
    | element(set_intersection2(skc8,skc9),skc7) ),
    inference(ssi,[status(thm)],[1049,1,70,69]),
    [iquote('0:SSi:1049.0,1.0,70.0,69.0')] ).

cnf(1060,plain,
    $false,
    inference(mrr,[status(thm)],[1059,10,168,65]),
    [iquote('0:MRR:1059.0,1059.1,1059.2,10.0,168.0,65.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : SEU102+1 : TPTP v8.1.0. Released v3.2.0.
% 0.13/0.13  % Command  : run_spass %d %s
% 0.13/0.35  % Computer : n019.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Sat Jun 18 19:42:39 EDT 2022
% 0.20/0.35  % CPUTime  : 
% 0.21/0.52  
% 0.21/0.52  SPASS V 3.9 
% 0.21/0.52  SPASS beiseite: Proof found.
% 0.21/0.52  % SZS status Theorem
% 0.21/0.52  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.21/0.52  SPASS derived 867 clauses, backtracked 0 clauses, performed 0 splits and kept 447 clauses.
% 0.21/0.52  SPASS allocated 98384 KBytes.
% 0.21/0.52  SPASS spent	0:00:00.16 on the problem.
% 0.21/0.52  		0:00:00.03 for the input.
% 0.21/0.52  		0:00:00.03 for the FLOTTER CNF translation.
% 0.21/0.52  		0:00:00.01 for inferences.
% 0.21/0.52  		0:00:00.00 for the backtracking.
% 0.21/0.52  		0:00:00.05 for the reduction.
% 0.21/0.52  
% 0.21/0.52  
% 0.21/0.52  Here is a proof with depth 3, length 27 :
% 0.21/0.52  % SZS output start Refutation
% See solution above
% 0.21/0.52  Formulae used in the proof : t13_finsub_1 cc1_finsub_1 commutativity_k3_xboole_0 t7_boole t2_subset t48_xboole_1 dt_k2_finsub_1 redefinition_k2_finsub_1
% 0.21/0.52  
%------------------------------------------------------------------------------