TSTP Solution File: GEO268+3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GEO268+3 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n005.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 : Sat Jul 16 06:24:04 EDT 2022

% Result   : Theorem 0.18s 0.44s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   20 (  11 unt;   4 nHn;  20 RR)
%            Number of literals    :   31 (   0 equ;  15 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-1 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    ~ left_convergent_lines(u,v),
    file('GEO268+3.p',unknown),
    [] ).

cnf(12,axiom,
    ( unequally_directed_lines(skc2,skc3)
    | unequally_directed_opposite_lines(skc2,reverse_line(skc3)) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(18,axiom,
    ( unequally_directed_lines(u,v)
    | unequally_directed_lines(u,reverse_line(v)) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ unequally_directed_opposite_lines(u,v)
    | unequally_directed_lines(u,reverse_line(v)) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ unequally_directed_lines(u,reverse_line(v))
    | unequally_directed_opposite_lines(u,v) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ unequally_directed_lines(skc2,skc3)
    | ~ unequally_directed_opposite_lines(skc2,reverse_line(skc3)) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(62,axiom,
    ( ~ unequally_directed_lines(u,v)
    | ~ unequally_directed_lines(u,reverse_line(v))
    | left_convergent_lines(u,v)
    | left_convergent_lines(u,reverse_line(v)) ),
    file('GEO268+3.p',unknown),
    [] ).

cnf(71,plain,
    ( ~ unequally_directed_lines(u,v)
    | ~ unequally_directed_lines(u,reverse_line(v)) ),
    inference(mrr,[status(thm)],[62,5]),
    [iquote('0:MRR:62.2,62.3,5.0,5.0')] ).

cnf(76,plain,
    unequally_directed_lines(skc2,skc3),
    inference(spt,[spt(split,[position(s1)])],[12]),
    [iquote('1:Spt:12.0')] ).

cnf(77,plain,
    ~ unequally_directed_opposite_lines(skc2,reverse_line(skc3)),
    inference(mrr,[status(thm)],[31,76]),
    [iquote('1:MRR:31.0,76.0')] ).

cnf(80,plain,
    ( unequally_directed_lines(u,v)
    | unequally_directed_opposite_lines(u,v) ),
    inference(res,[status(thm),theory(equality)],[18,20]),
    [iquote('0:Res:18.1,20.0')] ).

cnf(84,plain,
    unequally_directed_lines(skc2,reverse_line(skc3)),
    inference(res,[status(thm),theory(equality)],[80,77]),
    [iquote('1:Res:80.1,77.0')] ).

cnf(111,plain,
    ( ~ unequally_directed_opposite_lines(u,v)
    | ~ unequally_directed_lines(u,v) ),
    inference(res,[status(thm),theory(equality)],[19,71]),
    [iquote('0:Res:19.1,71.1')] ).

cnf(113,plain,
    ~ unequally_directed_lines(skc2,skc3),
    inference(res,[status(thm),theory(equality)],[84,71]),
    [iquote('1:Res:84.0,71.1')] ).

cnf(117,plain,
    $false,
    inference(mrr,[status(thm)],[113,76]),
    [iquote('1:MRR:113.0,76.0')] ).

cnf(119,plain,
    ~ unequally_directed_lines(skc2,skc3),
    inference(spt,[spt(split,[position(sa)])],[117,76]),
    [iquote('1:Spt:117.0,12.0,76.0')] ).

cnf(120,plain,
    unequally_directed_opposite_lines(skc2,reverse_line(skc3)),
    inference(spt,[spt(split,[position(s2)])],[12]),
    [iquote('1:Spt:117.0,12.1')] ).

cnf(148,plain,
    ~ unequally_directed_lines(skc2,reverse_line(skc3)),
    inference(res,[status(thm),theory(equality)],[120,111]),
    [iquote('1:Res:120.0,111.0')] ).

cnf(151,plain,
    unequally_directed_lines(skc2,skc3),
    inference(res,[status(thm),theory(equality)],[18,148]),
    [iquote('1:Res:18.1,148.0')] ).

cnf(152,plain,
    $false,
    inference(mrr,[status(thm)],[151,119]),
    [iquote('1:MRR:151.0,119.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GEO268+3 : TPTP v8.1.0. Released v4.0.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n005.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sat Jun 18 12:20:08 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.44  
% 0.18/0.44  SPASS V 3.9 
% 0.18/0.44  SPASS beiseite: Proof found.
% 0.18/0.44  % SZS status Theorem
% 0.18/0.44  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.18/0.44  SPASS derived 72 clauses, backtracked 3 clauses, performed 1 splits and kept 106 clauses.
% 0.18/0.44  SPASS allocated 97777 KBytes.
% 0.18/0.44  SPASS spent	0:00:00.10 on the problem.
% 0.18/0.44  		0:00:00.04 for the input.
% 0.18/0.44  		0:00:00.03 for the FLOTTER CNF translation.
% 0.18/0.44  		0:00:00.00 for inferences.
% 0.18/0.44  		0:00:00.00 for the backtracking.
% 0.18/0.44  		0:00:00.00 for the reduction.
% 0.18/0.44  
% 0.18/0.44  
% 0.18/0.44  Here is a proof with depth 3, length 20 :
% 0.18/0.44  % SZS output start Refutation
% See solution above
% 0.18/0.44  Formulae used in the proof : ax11_basics con ax8_basics a1_defns ax9_basics
% 0.18/0.44  
%------------------------------------------------------------------------------