TSTP Solution File: GEO220+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GEO220+1 : TPTP v8.1.0. Released v3.3.0.
% 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 : Sat Jul 16 06:23:36 EDT 2022

% Result   : Theorem 0.19s 0.44s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    4
% Syntax   : Number of clauses     :    7 (   5 unt;   1 nHn;   7 RR)
%            Number of literals    :   10 (   0 equ;   4 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   6 con; 0-0 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    convergent_lines(skc3,skc4),
    file('GEO220+1.p',unknown),
    [] ).

cnf(2,axiom,
    ~ unorthogonal_lines(skc5,skc3),
    file('GEO220+1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ unorthogonal_lines(skc5,skc4),
    file('GEO220+1.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ convergent_lines(u,v)
    | unorthogonal_lines(w,v)
    | unorthogonal_lines(w,u) ),
    file('GEO220+1.p',unknown),
    [] ).

cnf(33,plain,
    ( ~ convergent_lines(u,skc4)
    | unorthogonal_lines(skc5,u) ),
    inference(res,[status(thm),theory(equality)],[20,3]),
    [iquote('0:Res:20.2,3.0')] ).

cnf(38,plain,
    unorthogonal_lines(skc5,skc3),
    inference(res,[status(thm),theory(equality)],[1,33]),
    [iquote('0:Res:1.0,33.0')] ).

cnf(50,plain,
    $false,
    inference(mrr,[status(thm)],[38,2]),
    [iquote('0:MRR:38.0,2.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GEO220+1 : TPTP v8.1.0. Released v3.3.0.
% 0.06/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n025.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sat Jun 18 07:40:13 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.44  
% 0.19/0.44  SPASS V 3.9 
% 0.19/0.44  SPASS beiseite: Proof found.
% 0.19/0.44  % SZS status Theorem
% 0.19/0.44  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.44  SPASS derived 26 clauses, backtracked 0 clauses, performed 0 splits and kept 38 clauses.
% 0.19/0.44  SPASS allocated 85158 KBytes.
% 0.19/0.44  SPASS spent	0:00:00.09 on the problem.
% 0.19/0.44  		0:00:00.04 for the input.
% 0.19/0.44  		0:00:00.03 for the FLOTTER CNF translation.
% 0.19/0.44  		0:00:00.00 for inferences.
% 0.19/0.44  		0:00:00.00 for the backtracking.
% 0.19/0.44  		0:00:00.00 for the reduction.
% 0.19/0.44  
% 0.19/0.44  
% 0.19/0.44  Here is a proof with depth 2, length 7 :
% 0.19/0.44  % SZS output start Refutation
% See solution above
% 0.19/0.44  Formulae used in the proof : con couo1
% 0.19/0.44  
%------------------------------------------------------------------------------