TSTP Solution File: GEO076-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GEO076-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n008.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 06:22:07 EDT 2022

% Result   : Unsatisfiable 0.41s 0.59s
% Output   : Refutation 0.41s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   58 (  15 unt;  27 nHn;  58 RR)
%            Number of literals    :  185 (   0 equ; 107 neg)
%            Maximal clause size   :   10 (   3 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    point(a_point),
    file('GEO076-4.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ line(u)
    | on(a_point,u) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ point(u)
    | ~ point(v)
    | equal(v,u)
    | on(v,line_from_to(v,u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ point(u)
    | ~ point(v)
    | equal(v,u)
    | on(u,line_from_to(v,u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ point(u)
    | ~ point(v)
    | line(line_from_to(v,u))
    | equal(v,u) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ line(u)
    | ~ line(v)
    | ~ point(w)
    | ~ point(x)
    | ~ on(w,u)
    | ~ on(x,u)
    | ~ on(w,v)
    | ~ on(x,v)
    | equal(v,u)
    | equal(x,w) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ line(u)
    | on(point_1_on_line(u),u) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ line(u)
    | on(point_2_on_line(u),u) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ line(u)
    | point(point_1_on_line(u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ line(u)
    | point(point_2_on_line(u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ line(u)
    | ~ equal(point_2_on_line(u),point_1_on_line(u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ line(u)
    | ~ on(point_not_on_line(u),u) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ line(u)
    | point(point_not_on_line(u)) ),
    file('GEO076-4.p',unknown),
    [] ).

cnf(14,axiom,
    line(at_least_one_line),
    file('GEO076-4.p',unknown),
    [] ).

cnf(34,plain,
    on(a_point,at_least_one_line),
    inference(res,[status(thm),theory(equality)],[14,2]),
    [iquote('0:Res:14.0,2.0')] ).

cnf(102,plain,
    ( ~ line(at_least_one_line)
    | ~ line(u)
    | ~ point(a_point)
    | ~ point(v)
    | ~ on(v,at_least_one_line)
    | ~ on(a_point,u)
    | ~ on(v,u)
    | equal(u,at_least_one_line)
    | equal(v,a_point) ),
    inference(res,[status(thm),theory(equality)],[34,6]),
    [iquote('0:Res:34.0,6.4')] ).

cnf(117,plain,
    ( ~ line(u)
    | ~ point(v)
    | ~ on(v,at_least_one_line)
    | ~ on(a_point,u)
    | ~ on(v,u)
    | equal(u,at_least_one_line)
    | equal(v,a_point) ),
    inference(ssi,[status(thm)],[102,1,14]),
    [iquote('0:SSi:102.2,102.0,1.0,14.0')] ).

cnf(118,plain,
    ( ~ line(u)
    | ~ point(v)
    | ~ on(v,at_least_one_line)
    | ~ on(v,u)
    | equal(u,at_least_one_line)
    | equal(v,a_point) ),
    inference(mrr,[status(thm)],[117,2]),
    [iquote('0:MRR:117.3,2.1')] ).

cnf(144,plain,
    ( ~ line(at_least_one_line)
    | ~ line(u)
    | ~ point(point_2_on_line(at_least_one_line))
    | ~ on(point_2_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line)
    | equal(point_2_on_line(at_least_one_line),a_point) ),
    inference(res,[status(thm),theory(equality)],[8,118]),
    [iquote('0:Res:8.1,118.2')] ).

cnf(145,plain,
    ( ~ line(at_least_one_line)
    | ~ line(u)
    | ~ point(point_1_on_line(at_least_one_line))
    | ~ on(point_1_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line)
    | equal(point_1_on_line(at_least_one_line),a_point) ),
    inference(res,[status(thm),theory(equality)],[7,118]),
    [iquote('0:Res:7.1,118.2')] ).

cnf(150,plain,
    ( ~ line(u)
    | ~ on(point_1_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line)
    | equal(point_1_on_line(at_least_one_line),a_point) ),
    inference(ssi,[status(thm)],[145,9,14]),
    [iquote('0:SSi:145.2,145.0,9.0,14.0,14.1')] ).

cnf(151,plain,
    ( ~ line(u)
    | ~ on(point_2_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line)
    | equal(point_2_on_line(at_least_one_line),a_point) ),
    inference(ssi,[status(thm)],[144,10,14]),
    [iquote('0:SSi:144.2,144.0,10.0,14.0,14.1')] ).

cnf(192,plain,
    ( ~ line(u)
    | ~ on(point_1_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line) ),
    inference(spt,[spt(split,[position(s1)])],[150]),
    [iquote('1:Spt:150.0,150.1,150.2')] ).

cnf(195,plain,
    ( ~ point(u)
    | ~ point(point_1_on_line(at_least_one_line))
    | ~ line(line_from_to(point_1_on_line(at_least_one_line),u))
    | equal(point_1_on_line(at_least_one_line),u)
    | equal(line_from_to(point_1_on_line(at_least_one_line),u),at_least_one_line) ),
    inference(res,[status(thm),theory(equality)],[3,192]),
    [iquote('1:Res:3.3,192.1')] ).

cnf(202,plain,
    ( ~ point(u)
    | ~ line(line_from_to(point_1_on_line(at_least_one_line),u))
    | equal(point_1_on_line(at_least_one_line),u)
    | equal(line_from_to(point_1_on_line(at_least_one_line),u),at_least_one_line) ),
    inference(ssi,[status(thm)],[195,9,14]),
    [iquote('1:SSi:195.1,9.0,14.1')] ).

cnf(228,plain,
    ( ~ point(u)
    | ~ point(point_1_on_line(at_least_one_line))
    | ~ point(u)
    | equal(point_1_on_line(at_least_one_line),u)
    | equal(line_from_to(point_1_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_1_on_line(at_least_one_line),u) ),
    inference(sor,[status(thm)],[202,5]),
    [iquote('1:SoR:202.1,5.2')] ).

cnf(229,plain,
    ( ~ point(point_1_on_line(at_least_one_line))
    | ~ point(u)
    | equal(line_from_to(point_1_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_1_on_line(at_least_one_line),u) ),
    inference(obv,[status(thm),theory(equality)],[228]),
    [iquote('1:Obv:228.3')] ).

cnf(230,plain,
    ( ~ point(u)
    | equal(line_from_to(point_1_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_1_on_line(at_least_one_line),u) ),
    inference(ssi,[status(thm)],[229,9,14]),
    [iquote('1:SSi:229.0,9.0,14.1')] ).

cnf(232,plain,
    ( ~ point(u)
    | ~ point(u)
    | ~ point(point_1_on_line(at_least_one_line))
    | equal(point_1_on_line(at_least_one_line),u)
    | equal(point_1_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(spr,[status(thm),theory(equality)],[230,4]),
    [iquote('1:SpR:230.1,4.3')] ).

cnf(236,plain,
    ( ~ point(u)
    | ~ point(point_1_on_line(at_least_one_line))
    | equal(point_1_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(obv,[status(thm),theory(equality)],[232]),
    [iquote('1:Obv:232.3')] ).

cnf(237,plain,
    ( ~ point(u)
    | equal(point_1_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(ssi,[status(thm)],[236,9,14]),
    [iquote('1:SSi:236.1,9.0,14.1')] ).

cnf(279,plain,
    ( ~ point(point_not_on_line(at_least_one_line))
    | ~ line(at_least_one_line)
    | equal(point_not_on_line(at_least_one_line),point_1_on_line(at_least_one_line)) ),
    inference(res,[status(thm),theory(equality)],[237,12]),
    [iquote('1:Res:237.2,12.1')] ).

cnf(286,plain,
    equal(point_not_on_line(at_least_one_line),point_1_on_line(at_least_one_line)),
    inference(ssi,[status(thm)],[279,14,13]),
    [iquote('1:SSi:279.1,279.0,14.0,13.1,14.0')] ).

cnf(298,plain,
    ( ~ line(at_least_one_line)
    | ~ on(point_1_on_line(at_least_one_line),at_least_one_line) ),
    inference(spl,[status(thm),theory(equality)],[286,12]),
    [iquote('1:SpL:286.0,12.1')] ).

cnf(299,plain,
    ~ on(point_1_on_line(at_least_one_line),at_least_one_line),
    inference(ssi,[status(thm)],[298,14]),
    [iquote('1:SSi:298.0,14.0')] ).

cnf(301,plain,
    ~ line(at_least_one_line),
    inference(res,[status(thm),theory(equality)],[7,299]),
    [iquote('1:Res:7.1,299.0')] ).

cnf(302,plain,
    $false,
    inference(ssi,[status(thm)],[301,14]),
    [iquote('1:SSi:301.0,14.0')] ).

cnf(303,plain,
    equal(point_1_on_line(at_least_one_line),a_point),
    inference(spt,[spt(split,[position(s2)])],[150]),
    [iquote('1:Spt:302.0,150.3')] ).

cnf(307,plain,
    ( ~ line(u)
    | ~ on(point_2_on_line(at_least_one_line),u)
    | equal(u,at_least_one_line) ),
    inference(spt,[spt(split,[position(s2s1)])],[151]),
    [iquote('2:Spt:151.0,151.1,151.2')] ).

cnf(310,plain,
    ( ~ point(u)
    | ~ point(point_2_on_line(at_least_one_line))
    | ~ line(line_from_to(point_2_on_line(at_least_one_line),u))
    | equal(point_2_on_line(at_least_one_line),u)
    | equal(line_from_to(point_2_on_line(at_least_one_line),u),at_least_one_line) ),
    inference(res,[status(thm),theory(equality)],[3,307]),
    [iquote('2:Res:3.3,307.1')] ).

cnf(317,plain,
    ( ~ point(u)
    | ~ line(line_from_to(point_2_on_line(at_least_one_line),u))
    | equal(point_2_on_line(at_least_one_line),u)
    | equal(line_from_to(point_2_on_line(at_least_one_line),u),at_least_one_line) ),
    inference(ssi,[status(thm)],[310,10,14]),
    [iquote('2:SSi:310.1,10.0,14.1')] ).

cnf(397,plain,
    ( ~ point(u)
    | ~ point(point_2_on_line(at_least_one_line))
    | ~ point(u)
    | equal(point_2_on_line(at_least_one_line),u)
    | equal(line_from_to(point_2_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_2_on_line(at_least_one_line),u) ),
    inference(sor,[status(thm)],[317,5]),
    [iquote('2:SoR:317.1,5.2')] ).

cnf(398,plain,
    ( ~ point(point_2_on_line(at_least_one_line))
    | ~ point(u)
    | equal(line_from_to(point_2_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_2_on_line(at_least_one_line),u) ),
    inference(obv,[status(thm),theory(equality)],[397]),
    [iquote('2:Obv:397.3')] ).

cnf(399,plain,
    ( ~ point(u)
    | equal(line_from_to(point_2_on_line(at_least_one_line),u),at_least_one_line)
    | equal(point_2_on_line(at_least_one_line),u) ),
    inference(ssi,[status(thm)],[398,10,14]),
    [iquote('2:SSi:398.0,10.0,14.1')] ).

cnf(401,plain,
    ( ~ point(u)
    | ~ point(u)
    | ~ point(point_2_on_line(at_least_one_line))
    | equal(point_2_on_line(at_least_one_line),u)
    | equal(point_2_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(spr,[status(thm),theory(equality)],[399,4]),
    [iquote('2:SpR:399.1,4.3')] ).

cnf(405,plain,
    ( ~ point(u)
    | ~ point(point_2_on_line(at_least_one_line))
    | equal(point_2_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(obv,[status(thm),theory(equality)],[401]),
    [iquote('2:Obv:401.3')] ).

cnf(406,plain,
    ( ~ point(u)
    | equal(point_2_on_line(at_least_one_line),u)
    | on(u,at_least_one_line) ),
    inference(ssi,[status(thm)],[405,10,14]),
    [iquote('2:SSi:405.1,10.0,14.1')] ).

cnf(446,plain,
    ( ~ point(point_not_on_line(at_least_one_line))
    | ~ line(at_least_one_line)
    | equal(point_not_on_line(at_least_one_line),point_2_on_line(at_least_one_line)) ),
    inference(res,[status(thm),theory(equality)],[406,12]),
    [iquote('2:Res:406.2,12.1')] ).

cnf(457,plain,
    equal(point_not_on_line(at_least_one_line),point_2_on_line(at_least_one_line)),
    inference(ssi,[status(thm)],[446,14,13]),
    [iquote('2:SSi:446.1,446.0,14.0,13.1,14.0')] ).

cnf(474,plain,
    ( ~ line(at_least_one_line)
    | ~ on(point_2_on_line(at_least_one_line),at_least_one_line) ),
    inference(spl,[status(thm),theory(equality)],[457,12]),
    [iquote('2:SpL:457.0,12.1')] ).

cnf(475,plain,
    ~ on(point_2_on_line(at_least_one_line),at_least_one_line),
    inference(ssi,[status(thm)],[474,14]),
    [iquote('2:SSi:474.0,14.0')] ).

cnf(477,plain,
    ~ line(at_least_one_line),
    inference(res,[status(thm),theory(equality)],[8,475]),
    [iquote('2:Res:8.1,475.0')] ).

cnf(478,plain,
    $false,
    inference(ssi,[status(thm)],[477,14]),
    [iquote('2:SSi:477.0,14.0')] ).

cnf(479,plain,
    equal(point_2_on_line(at_least_one_line),a_point),
    inference(spt,[spt(split,[position(s2s2)])],[151]),
    [iquote('2:Spt:478.0,151.3')] ).

cnf(483,plain,
    ( ~ line(at_least_one_line)
    | ~ equal(point_1_on_line(at_least_one_line),a_point) ),
    inference(spl,[status(thm),theory(equality)],[479,11]),
    [iquote('2:SpL:479.0,11.1')] ).

cnf(485,plain,
    ( ~ line(at_least_one_line)
    | ~ equal(a_point,a_point) ),
    inference(rew,[status(thm),theory(equality)],[303,483]),
    [iquote('2:Rew:303.0,483.1')] ).

cnf(486,plain,
    ~ line(at_least_one_line),
    inference(obv,[status(thm),theory(equality)],[485]),
    [iquote('2:Obv:485.1')] ).

cnf(487,plain,
    $false,
    inference(ssi,[status(thm)],[486,14]),
    [iquote('2:SSi:486.0,14.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GEO076-4 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n008.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 : Sat Jun 18 09:14:52 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.41/0.59  
% 0.41/0.59  SPASS V 3.9 
% 0.41/0.59  SPASS beiseite: Proof found.
% 0.41/0.59  % SZS status Theorem
% 0.41/0.59  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.41/0.59  SPASS derived 209 clauses, backtracked 3 clauses, performed 3 splits and kept 142 clauses.
% 0.41/0.59  SPASS allocated 82683 KBytes.
% 0.41/0.59  SPASS spent	0:00:00.23 on the problem.
% 0.41/0.59  		0:00:00.03 for the input.
% 0.41/0.59  		0:00:00.00 for the FLOTTER CNF translation.
% 0.41/0.59  		0:00:00.01 for inferences.
% 0.41/0.59  		0:00:00.00 for the backtracking.
% 0.41/0.59  		0:00:00.16 for the reduction.
% 0.41/0.59  
% 0.41/0.59  
% 0.41/0.59  Here is a proof with depth 10, length 58 :
% 0.41/0.59  % SZS output start Refutation
% See solution above
% 0.41/0.59  Formulae used in the proof : there_is_a_point prove_point_is_not_on_every_line axiom_G1A axiom_G1B axiom_G1C axiom_G1D axiom_G2A axiom_G2B axiom_G2C axiom_G2D axiom_G2E axiom_G3A axiom_G3B axiom_G4A
% 0.41/0.59  
%------------------------------------------------------------------------------