TSTP Solution File: NLP208-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : NLP208-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n012.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  : 300s
% DateTime : Sun Sep 18 08:48:17 EDT 2022

% Result   : Unsatisfiable 0.19s 0.41s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   59
% Syntax   : Number of formulae    :  115 (  24 unt;  13 typ;   0 def)
%            Number of atoms       :  324 (  20 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  411 ( 197   ~; 177   |;   0   &)
%                                         (  37 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of FOOLs       :    8 (   8 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   20 (   9   >;  11   *;   0   +;   0  <<)
%            Number of predicates  :   12 (  10 usr;   1 prp; 0-4 aty)
%            Number of functors    :    4 (   4 usr;   4 con; 0-0 aty)
%            Number of variables   :  234 ( 216   !;   0   ?; 234   :)

% Comments : 
%------------------------------------------------------------------------------
tff(object_type,type,
    object: ( $i * $i ) > $o ).

tff(skc12_type,type,
    skc12: $i ).

tff(skc11_type,type,
    skc11: $i ).

tff(artifact_type,type,
    artifact: ( $i * $i ) > $o ).

tff(instrumentality_type,type,
    instrumentality: ( $i * $i ) > $o ).

tff(device_type,type,
    device: ( $i * $i ) > $o ).

tff(wheel_type,type,
    wheel: ( $i * $i ) > $o ).

tff(unisex_type,type,
    unisex: ( $i * $i ) > $o ).

tff(male_type,type,
    male: ( $i * $i ) > $o ).

tff(skc15_type,type,
    skc15: $i ).

tff(be_type,type,
    be: ( $i * $i * $i * $i ) > $o ).

tff(skc13_type,type,
    skc13: $i ).

tff(man_type,type,
    man: ( $i * $i ) > $o ).

tff(1,plain,
    ( wheel(skc11,skc12)
  <=> wheel(skc11,skc12) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    wheel(skc11,skc12),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause98) ).

tff(3,plain,
    wheel(skc11,skc12),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ wheel(U,V)
          | device(U,V) )
      <=> ( ~ wheel(U,V)
          | device(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [V: $i,U: $i] :
        ( ~ wheel(U,V)
        | device(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ wheel(U,V)
        | device(U,V) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [V: $i,U: $i] :
        ( ~ wheel(U,V)
        | device(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ wheel(U,V)
        | device(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,axiom,
    ! [V: $i,U: $i] :
      ( ~ wheel(U,V)
      | device(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause10) ).

tff(8,plain,
    ! [V: $i,U: $i] :
      ( ~ wheel(U,V)
      | device(U,V) ),
    inference(modus_ponens,[status(thm)],[7,6]) ).

tff(9,plain,
    ! [V: $i,U: $i] :
      ( ~ wheel(U,V)
      | device(U,V) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [V: $i,U: $i] :
      ( ~ wheel(U,V)
      | device(U,V) ),
    inference(modus_ponens,[status(thm)],[9,5]) ).

tff(11,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ wheel(U,V)
            | device(U,V) )
      | ~ wheel(skc11,skc12)
      | device(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ wheel(U,V)
            | device(U,V) )
      | ~ wheel(skc11,skc12)
      | device(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ wheel(U,V)
          | device(U,V) )
    | ~ wheel(skc11,skc12)
    | device(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ wheel(U,V)
          | device(U,V) )
    | ~ wheel(skc11,skc12)
    | device(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    device(skc11,skc12),
    inference(unit_resolution,[status(thm)],[13,10,3]) ).

tff(15,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ device(U,V)
          | instrumentality(U,V) )
      <=> ( ~ device(U,V)
          | instrumentality(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [V: $i,U: $i] :
        ( ~ device(U,V)
        | instrumentality(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ device(U,V)
        | instrumentality(U,V) ) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,plain,
    ( ! [V: $i,U: $i] :
        ( ~ device(U,V)
        | instrumentality(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ device(U,V)
        | instrumentality(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    ! [V: $i,U: $i] :
      ( ~ device(U,V)
      | instrumentality(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause11) ).

tff(19,plain,
    ! [V: $i,U: $i] :
      ( ~ device(U,V)
      | instrumentality(U,V) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ! [V: $i,U: $i] :
      ( ~ device(U,V)
      | instrumentality(U,V) ),
    inference(skolemize,[status(sab)],[19]) ).

tff(21,plain,
    ! [V: $i,U: $i] :
      ( ~ device(U,V)
      | instrumentality(U,V) ),
    inference(modus_ponens,[status(thm)],[20,16]) ).

tff(22,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ device(U,V)
            | instrumentality(U,V) )
      | ~ device(skc11,skc12)
      | instrumentality(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ device(U,V)
            | instrumentality(U,V) )
      | ~ device(skc11,skc12)
      | instrumentality(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ device(U,V)
          | instrumentality(U,V) )
    | ~ device(skc11,skc12)
    | instrumentality(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ device(U,V)
          | instrumentality(U,V) )
    | ~ device(skc11,skc12)
    | instrumentality(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    instrumentality(skc11,skc12),
    inference(unit_resolution,[status(thm)],[24,21,14]) ).

tff(26,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ instrumentality(U,V)
          | artifact(U,V) )
      <=> ( ~ instrumentality(U,V)
          | artifact(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(27,plain,
    ( ! [V: $i,U: $i] :
        ( ~ instrumentality(U,V)
        | artifact(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ instrumentality(U,V)
        | artifact(U,V) ) ),
    inference(quant_intro,[status(thm)],[26]) ).

tff(28,plain,
    ( ! [V: $i,U: $i] :
        ( ~ instrumentality(U,V)
        | artifact(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ instrumentality(U,V)
        | artifact(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(29,axiom,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause12) ).

tff(30,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(modus_ponens,[status(thm)],[29,28]) ).

tff(31,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(skolemize,[status(sab)],[30]) ).

tff(32,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(modus_ponens,[status(thm)],[31,27]) ).

tff(33,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ instrumentality(U,V)
            | artifact(U,V) )
      | ~ instrumentality(skc11,skc12)
      | artifact(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ instrumentality(U,V)
            | artifact(U,V) )
      | ~ instrumentality(skc11,skc12)
      | artifact(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(34,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ instrumentality(U,V)
          | artifact(U,V) )
    | ~ instrumentality(skc11,skc12)
    | artifact(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(35,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ instrumentality(U,V)
          | artifact(U,V) )
    | ~ instrumentality(skc11,skc12)
    | artifact(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[34,33]) ).

tff(36,plain,
    artifact(skc11,skc12),
    inference(unit_resolution,[status(thm)],[35,32,25]) ).

tff(37,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ artifact(U,V)
          | object(U,V) )
      <=> ( ~ artifact(U,V)
          | object(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [V: $i,U: $i] :
        ( ~ artifact(U,V)
        | object(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ artifact(U,V)
        | object(U,V) ) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [V: $i,U: $i] :
        ( ~ artifact(U,V)
        | object(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ artifact(U,V)
        | object(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,axiom,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause13) ).

tff(41,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(skolemize,[status(sab)],[41]) ).

tff(43,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(modus_ponens,[status(thm)],[42,38]) ).

tff(44,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ artifact(U,V)
            | object(U,V) )
      | ~ artifact(skc11,skc12)
      | object(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ artifact(U,V)
            | object(U,V) )
      | ~ artifact(skc11,skc12)
      | object(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(45,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ artifact(U,V)
          | object(U,V) )
    | ~ artifact(skc11,skc12)
    | object(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(46,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ artifact(U,V)
          | object(U,V) )
    | ~ artifact(skc11,skc12)
    | object(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[45,44]) ).

tff(47,plain,
    object(skc11,skc12),
    inference(unit_resolution,[status(thm)],[46,43,36]) ).

tff(48,plain,
    ( be(skc11,skc13,skc15,skc12)
  <=> be(skc11,skc13,skc15,skc12) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,axiom,
    be(skc11,skc13,skc15,skc12),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause106) ).

tff(50,plain,
    be(skc11,skc13,skc15,skc12),
    inference(modus_ponens,[status(thm)],[49,48]) ).

tff(51,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      refl(
        ( ( ~ be(U,V,W,X)
          | ( W = X ) )
      <=> ( ~ be(U,V,W,X)
          | ( W = X ) ) )),
    inference(bind,[status(th)],]) ).

tff(52,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ be(U,V,W,X)
        | ( W = X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ be(U,V,W,X)
        | ( W = X ) ) ),
    inference(quant_intro,[status(thm)],[51]) ).

tff(53,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ be(U,V,W,X)
        | ( W = X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ be(U,V,W,X)
        | ( W = X ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(54,axiom,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause67) ).

tff(55,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(skolemize,[status(sab)],[55]) ).

tff(57,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(modus_ponens,[status(thm)],[56,52]) ).

tff(58,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ be(U,V,W,X)
            | ( W = X ) )
      | ~ be(skc11,skc13,skc15,skc12)
      | ( skc15 = skc12 ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ be(U,V,W,X)
            | ( W = X ) )
      | ~ be(skc11,skc13,skc15,skc12)
      | ( skc15 = skc12 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(59,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ be(U,V,W,X)
          | ( W = X ) )
    | ~ be(skc11,skc13,skc15,skc12)
    | ( skc15 = skc12 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(60,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ be(U,V,W,X)
          | ( W = X ) )
    | ~ be(skc11,skc13,skc15,skc12)
    | ( skc15 = skc12 ) ),
    inference(modus_ponens,[status(thm)],[59,58]) ).

tff(61,plain,
    skc15 = skc12,
    inference(unit_resolution,[status(thm)],[60,57,50]) ).

tff(62,plain,
    skc12 = skc15,
    inference(symmetry,[status(thm)],[61]) ).

tff(63,plain,
    ( male(skc11,skc12)
  <=> male(skc11,skc15) ),
    inference(monotonicity,[status(thm)],[62]) ).

tff(64,plain,
    ( male(skc11,skc15)
  <=> male(skc11,skc12) ),
    inference(symmetry,[status(thm)],[63]) ).

tff(65,plain,
    ( man(skc11,skc15)
  <=> man(skc11,skc15) ),
    inference(rewrite,[status(thm)],]) ).

tff(66,axiom,
    man(skc11,skc15),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause94) ).

tff(67,plain,
    man(skc11,skc15),
    inference(modus_ponens,[status(thm)],[66,65]) ).

tff(68,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ man(U,V)
          | male(U,V) )
      <=> ( ~ man(U,V)
          | male(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(69,plain,
    ( ! [V: $i,U: $i] :
        ( ~ man(U,V)
        | male(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ man(U,V)
        | male(U,V) ) ),
    inference(quant_intro,[status(thm)],[68]) ).

tff(70,plain,
    ( ! [V: $i,U: $i] :
        ( ~ man(U,V)
        | male(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ man(U,V)
        | male(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(71,axiom,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause34) ).

tff(72,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(modus_ponens,[status(thm)],[71,70]) ).

tff(73,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(skolemize,[status(sab)],[72]) ).

tff(74,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(modus_ponens,[status(thm)],[73,69]) ).

tff(75,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ man(U,V)
            | male(U,V) )
      | ~ man(skc11,skc15)
      | male(skc11,skc15) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ man(U,V)
            | male(U,V) )
      | ~ man(skc11,skc15)
      | male(skc11,skc15) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(76,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ man(U,V)
          | male(U,V) )
    | ~ man(skc11,skc15)
    | male(skc11,skc15) ),
    inference(quant_inst,[status(thm)],]) ).

tff(77,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ man(U,V)
          | male(U,V) )
    | ~ man(skc11,skc15)
    | male(skc11,skc15) ),
    inference(modus_ponens,[status(thm)],[76,75]) ).

tff(78,plain,
    male(skc11,skc15),
    inference(unit_resolution,[status(thm)],[77,74,67]) ).

tff(79,plain,
    male(skc11,skc12),
    inference(modus_ponens,[status(thm)],[78,64]) ).

tff(80,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ male(U,V)
          | ~ unisex(U,V) )
      <=> ( ~ male(U,V)
          | ~ unisex(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(81,plain,
    ( ! [V: $i,U: $i] :
        ( ~ male(U,V)
        | ~ unisex(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ male(U,V)
        | ~ unisex(U,V) ) ),
    inference(quant_intro,[status(thm)],[80]) ).

tff(82,plain,
    ( ! [V: $i,U: $i] :
        ( ~ male(U,V)
        | ~ unisex(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ male(U,V)
        | ~ unisex(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(83,axiom,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause60) ).

tff(84,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[83,82]) ).

tff(85,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(skolemize,[status(sab)],[84]) ).

tff(86,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[85,81]) ).

tff(87,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ male(U,V)
            | ~ unisex(U,V) )
      | ~ male(skc11,skc12)
      | ~ unisex(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ male(U,V)
            | ~ unisex(U,V) )
      | ~ male(skc11,skc12)
      | ~ unisex(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(88,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ male(U,V)
          | ~ unisex(U,V) )
    | ~ male(skc11,skc12)
    | ~ unisex(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(89,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ male(U,V)
          | ~ unisex(U,V) )
    | ~ male(skc11,skc12)
    | ~ unisex(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[88,87]) ).

tff(90,plain,
    ( ~ male(skc11,skc12)
    | ~ unisex(skc11,skc12) ),
    inference(unit_resolution,[status(thm)],[89,86]) ).

tff(91,plain,
    ~ unisex(skc11,skc12),
    inference(unit_resolution,[status(thm)],[90,79]) ).

tff(92,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ object(U,V)
          | unisex(U,V) )
      <=> ( ~ object(U,V)
          | unisex(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(93,plain,
    ( ! [V: $i,U: $i] :
        ( ~ object(U,V)
        | unisex(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ object(U,V)
        | unisex(U,V) ) ),
    inference(quant_intro,[status(thm)],[92]) ).

tff(94,plain,
    ( ! [V: $i,U: $i] :
        ( ~ object(U,V)
        | unisex(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ object(U,V)
        | unisex(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(95,axiom,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause20) ).

tff(96,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[95,94]) ).

tff(97,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(skolemize,[status(sab)],[96]) ).

tff(98,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[97,93]) ).

tff(99,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ object(U,V)
            | unisex(U,V) )
      | ~ object(skc11,skc12)
      | unisex(skc11,skc12) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ object(U,V)
            | unisex(U,V) )
      | ~ object(skc11,skc12)
      | unisex(skc11,skc12) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(100,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ object(U,V)
          | unisex(U,V) )
    | ~ object(skc11,skc12)
    | unisex(skc11,skc12) ),
    inference(quant_inst,[status(thm)],]) ).

tff(101,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ object(U,V)
          | unisex(U,V) )
    | ~ object(skc11,skc12)
    | unisex(skc11,skc12) ),
    inference(modus_ponens,[status(thm)],[100,99]) ).

tff(102,plain,
    $false,
    inference(unit_resolution,[status(thm)],[101,98,91,47]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12  % Problem  : NLP208-1 : TPTP v8.1.0. Released v2.4.0.
% 0.04/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n012.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Sep  2 05:35:19 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.19/0.41  % SZS status Unsatisfiable
% 0.19/0.41  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------