TSTP Solution File: NLP143-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : NLP143-1 : 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 08:47:49 EDT 2022

% Result   : Unsatisfiable 0.19s 0.41s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   90
% Syntax   : Number of formulae    :  180 (  32 unt;  18 typ;   0 def)
%            Number of atoms       :  544 (  20 equ)
%            Maximal formula atoms :    8 (   3 avg)
%            Number of connectives :  697 ( 329   ~; 309   |;   0   &)
%                                         (  59 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :   14 (  14 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   33 (  16   >;  17   *;   0   +;   0  <<)
%            Number of predicates  :   16 (  14 usr;   1 prp; 0-4 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  364 ( 336   !;   0   ?; 364   :)

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

tff(skf5_type,type,
    skf5: $i > $i ).

tff(skf8_type,type,
    skf8: ( $i * $i ) > $i ).

tff(skc6_type,type,
    skc6: $i ).

tff(skc7_type,type,
    skc7: $i ).

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

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

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

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

tff(skf6_type,type,
    skf6: $i > $i ).

tff(member_type,type,
    member: ( $i * $i * $i ) > $o ).

tff(two_type,type,
    two: ( $i * $i ) > $o ).

tff(fellow_type,type,
    fellow: ( $i * $i ) > $o ).

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

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

tff(furniture_type,type,
    furniture: ( $i * $i ) > $o ).

tff(seat_type,type,
    seat: ( $i * $i ) > $o ).

tff(frontseat_type,type,
    frontseat: ( $i * $i ) > $o ).

tff(1,plain,
    ( two(skc6,skc7)
  <=> two(skc6,skc7) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    two(skc6,skc7),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause73) ).

tff(3,plain,
    two(skc6,skc7),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ two(U,V)
          | member(U,skf8(V,U),V) )
      <=> ( ~ two(U,V)
          | member(U,skf8(V,U),V) ) )),
    inference(bind,[status(th)],]) ).

tff(5,plain,
    ( ! [V: $i,U: $i] :
        ( ~ two(U,V)
        | member(U,skf8(V,U),V) )
  <=> ! [V: $i,U: $i] :
        ( ~ two(U,V)
        | member(U,skf8(V,U),V) ) ),
    inference(quant_intro,[status(thm)],[4]) ).

tff(6,plain,
    ( ! [V: $i,U: $i] :
        ( ~ two(U,V)
        | member(U,skf8(V,U),V) )
  <=> ! [V: $i,U: $i] :
        ( ~ two(U,V)
        | member(U,skf8(V,U),V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,axiom,
    ! [V: $i,U: $i] :
      ( ~ two(U,V)
      | member(U,skf8(V,U),V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause61) ).

tff(8,plain,
    ! [V: $i,U: $i] :
      ( ~ two(U,V)
      | member(U,skf8(V,U),V) ),
    inference(modus_ponens,[status(thm)],[7,6]) ).

tff(9,plain,
    ! [V: $i,U: $i] :
      ( ~ two(U,V)
      | member(U,skf8(V,U),V) ),
    inference(skolemize,[status(sab)],[8]) ).

tff(10,plain,
    ! [V: $i,U: $i] :
      ( ~ two(U,V)
      | member(U,skf8(V,U),V) ),
    inference(modus_ponens,[status(thm)],[9,5]) ).

tff(11,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ two(U,V)
            | member(U,skf8(V,U),V) )
      | ~ two(skc6,skc7)
      | member(skc6,skf8(skc7,skc6),skc7) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ two(U,V)
            | member(U,skf8(V,U),V) )
      | ~ two(skc6,skc7)
      | member(skc6,skf8(skc7,skc6),skc7) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ two(U,V)
          | member(U,skf8(V,U),V) )
    | ~ two(skc6,skc7)
    | member(skc6,skf8(skc7,skc6),skc7) ),
    inference(quant_inst,[status(thm)],]) ).

tff(13,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ two(U,V)
          | member(U,skf8(V,U),V) )
    | ~ two(skc6,skc7)
    | member(skc6,skf8(skc7,skc6),skc7) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    member(skc6,skf8(skc7,skc6),skc7),
    inference(unit_resolution,[status(thm)],[13,10,3]) ).

tff(15,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ member(skc6,U,skc7)
          | be(skc6,skf6(U),U,skf5(U)) )
      <=> ( ~ member(skc6,U,skc7)
          | be(skc6,skf6(U),U,skf5(U)) ) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | be(skc6,skf6(U),U,skf5(U)) )
  <=> ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | be(skc6,skf6(U),U,skf5(U)) ) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,plain,
    ( ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | be(skc6,skf6(U),U,skf5(U)) )
  <=> ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | be(skc6,skf6(U),U,skf5(U)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | be(skc6,skf6(U),U,skf5(U)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause92) ).

tff(19,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | be(skc6,skf6(U),U,skf5(U)) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | be(skc6,skf6(U),U,skf5(U)) ),
    inference(skolemize,[status(sab)],[19]) ).

tff(21,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | be(skc6,skf6(U),U,skf5(U)) ),
    inference(modus_ponens,[status(thm)],[20,16]) ).

tff(22,plain,
    ( ( ~ ! [U: $i] :
            ( ~ member(skc6,U,skc7)
            | be(skc6,skf6(U),U,skf5(U)) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [U: $i] :
            ( ~ member(skc6,U,skc7)
            | be(skc6,skf6(U),U,skf5(U)) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,plain,
    ( ~ ! [U: $i] :
          ( ~ member(skc6,U,skc7)
          | be(skc6,skf6(U),U,skf5(U)) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [U: $i] :
          ( ~ member(skc6,U,skc7)
          | be(skc6,skf6(U),U,skf5(U)) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[24,21,14]) ).

tff(26,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(27,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)],[26]) ).

tff(28,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(29,axiom,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause59) ).

tff(30,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(modus_ponens,[status(thm)],[29,28]) ).

tff(31,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(skolemize,[status(sab)],[30]) ).

tff(32,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ be(U,V,W,X)
      | ( W = X ) ),
    inference(modus_ponens,[status(thm)],[31,27]) ).

tff(33,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ be(U,V,W,X)
            | ( W = X ) )
      | ~ be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6)))
      | ( skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ be(U,V,W,X)
            | ( W = X ) )
      | ~ be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6)))
      | ( skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(34,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ be(U,V,W,X)
          | ( W = X ) )
    | ~ be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6)))
    | ( skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(35,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ be(U,V,W,X)
          | ( W = X ) )
    | ~ be(skc6,skf6(skf8(skc7,skc6)),skf8(skc7,skc6),skf5(skf8(skc7,skc6)))
    | ( skf8(skc7,skc6) = skf5(skf8(skc7,skc6)) ) ),
    inference(modus_ponens,[status(thm)],[34,33]) ).

tff(36,plain,
    skf8(skc7,skc6) = skf5(skf8(skc7,skc6)),
    inference(unit_resolution,[status(thm)],[35,32,25]) ).

tff(37,plain,
    skf5(skf8(skc7,skc6)) = skf8(skc7,skc6),
    inference(symmetry,[status(thm)],[36]) ).

tff(38,plain,
    ( man(skc6,skf5(skf8(skc7,skc6)))
  <=> man(skc6,skf8(skc7,skc6)) ),
    inference(monotonicity,[status(thm)],[37]) ).

tff(39,plain,
    ( man(skc6,skf8(skc7,skc6))
  <=> man(skc6,skf5(skf8(skc7,skc6))) ),
    inference(symmetry,[status(thm)],[38]) ).

tff(40,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ member(skc6,U,skc7)
          | fellow(skc6,U) )
      <=> ( ~ member(skc6,U,skc7)
          | fellow(skc6,U) ) )),
    inference(bind,[status(th)],]) ).

tff(41,plain,
    ( ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | fellow(skc6,U) )
  <=> ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | fellow(skc6,U) ) ),
    inference(quant_intro,[status(thm)],[40]) ).

tff(42,plain,
    ( ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | fellow(skc6,U) )
  <=> ! [U: $i] :
        ( ~ member(skc6,U,skc7)
        | fellow(skc6,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(43,axiom,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | fellow(skc6,U) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause88) ).

tff(44,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | fellow(skc6,U) ),
    inference(modus_ponens,[status(thm)],[43,42]) ).

tff(45,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | fellow(skc6,U) ),
    inference(skolemize,[status(sab)],[44]) ).

tff(46,plain,
    ! [U: $i] :
      ( ~ member(skc6,U,skc7)
      | fellow(skc6,U) ),
    inference(modus_ponens,[status(thm)],[45,41]) ).

tff(47,plain,
    ( ( ~ ! [U: $i] :
            ( ~ member(skc6,U,skc7)
            | fellow(skc6,U) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | fellow(skc6,skf8(skc7,skc6)) )
  <=> ( ~ ! [U: $i] :
            ( ~ member(skc6,U,skc7)
            | fellow(skc6,U) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | fellow(skc6,skf8(skc7,skc6)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(48,plain,
    ( ~ ! [U: $i] :
          ( ~ member(skc6,U,skc7)
          | fellow(skc6,U) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | fellow(skc6,skf8(skc7,skc6)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(49,plain,
    ( ~ ! [U: $i] :
          ( ~ member(skc6,U,skc7)
          | fellow(skc6,U) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | fellow(skc6,skf8(skc7,skc6)) ),
    inference(modus_ponens,[status(thm)],[48,47]) ).

tff(50,plain,
    fellow(skc6,skf8(skc7,skc6)),
    inference(unit_resolution,[status(thm)],[49,46,14]) ).

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

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

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

tff(54,axiom,
    ! [V: $i,U: $i] :
      ( ~ fellow(U,V)
      | man(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause2) ).

tff(55,plain,
    ! [V: $i,U: $i] :
      ( ~ fellow(U,V)
      | man(U,V) ),
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    ! [V: $i,U: $i] :
      ( ~ fellow(U,V)
      | man(U,V) ),
    inference(skolemize,[status(sab)],[55]) ).

tff(57,plain,
    ! [V: $i,U: $i] :
      ( ~ fellow(U,V)
      | man(U,V) ),
    inference(modus_ponens,[status(thm)],[56,52]) ).

tff(58,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ fellow(U,V)
            | man(U,V) )
      | ~ fellow(skc6,skf8(skc7,skc6))
      | man(skc6,skf8(skc7,skc6)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ fellow(U,V)
            | man(U,V) )
      | ~ fellow(skc6,skf8(skc7,skc6))
      | man(skc6,skf8(skc7,skc6)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(59,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ fellow(U,V)
          | man(U,V) )
    | ~ fellow(skc6,skf8(skc7,skc6))
    | man(skc6,skf8(skc7,skc6)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(60,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ fellow(U,V)
          | man(U,V) )
    | ~ fellow(skc6,skf8(skc7,skc6))
    | man(skc6,skf8(skc7,skc6)) ),
    inference(modus_ponens,[status(thm)],[59,58]) ).

tff(61,plain,
    man(skc6,skf8(skc7,skc6)),
    inference(unit_resolution,[status(thm)],[60,57,50]) ).

tff(62,plain,
    man(skc6,skf5(skf8(skc7,skc6))),
    inference(modus_ponens,[status(thm)],[61,39]) ).

tff(63,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ man(U,V)
          | male(U,V) )
      <=> ( ~ man(U,V)
          | male(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(64,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)],[63]) ).

tff(65,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(66,axiom,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause14) ).

tff(67,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(modus_ponens,[status(thm)],[66,65]) ).

tff(68,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(skolemize,[status(sab)],[67]) ).

tff(69,plain,
    ! [V: $i,U: $i] :
      ( ~ man(U,V)
      | male(U,V) ),
    inference(modus_ponens,[status(thm)],[68,64]) ).

tff(70,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ man(U,V)
            | male(U,V) )
      | ~ man(skc6,skf5(skf8(skc7,skc6)))
      | male(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ man(U,V)
            | male(U,V) )
      | ~ man(skc6,skf5(skf8(skc7,skc6)))
      | male(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(71,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ man(U,V)
          | male(U,V) )
    | ~ man(skc6,skf5(skf8(skc7,skc6)))
    | male(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(72,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ man(U,V)
          | male(U,V) )
    | ~ man(skc6,skf5(skf8(skc7,skc6)))
    | male(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[71,70]) ).

tff(73,plain,
    ( ~ man(skc6,skf5(skf8(skc7,skc6)))
    | male(skc6,skf5(skf8(skc7,skc6))) ),
    inference(unit_resolution,[status(thm)],[72,69]) ).

tff(74,plain,
    male(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[73,62]) ).

tff(75,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ male(U,V)
          | ~ unisex(U,V) )
      <=> ( ~ male(U,V)
          | ~ unisex(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(76,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)],[75]) ).

tff(77,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(78,axiom,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause52) ).

tff(79,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[78,77]) ).

tff(80,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(skolemize,[status(sab)],[79]) ).

tff(81,plain,
    ! [V: $i,U: $i] :
      ( ~ male(U,V)
      | ~ unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[80,76]) ).

tff(82,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ male(U,V)
            | ~ unisex(U,V) )
      | ~ male(skc6,skf5(skf8(skc7,skc6)))
      | ~ unisex(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ male(U,V)
            | ~ unisex(U,V) )
      | ~ male(skc6,skf5(skf8(skc7,skc6)))
      | ~ unisex(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(83,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ male(U,V)
          | ~ unisex(U,V) )
    | ~ male(skc6,skf5(skf8(skc7,skc6)))
    | ~ unisex(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(84,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ male(U,V)
          | ~ unisex(U,V) )
    | ~ male(skc6,skf5(skf8(skc7,skc6)))
    | ~ unisex(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[83,82]) ).

tff(85,plain,
    ~ unisex(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[84,81,74]) ).

tff(86,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ object(U,V)
          | unisex(U,V) )
      <=> ( ~ object(U,V)
          | unisex(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(87,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)],[86]) ).

tff(88,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(89,axiom,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause35) ).

tff(90,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[89,88]) ).

tff(91,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(skolemize,[status(sab)],[90]) ).

tff(92,plain,
    ! [V: $i,U: $i] :
      ( ~ object(U,V)
      | unisex(U,V) ),
    inference(modus_ponens,[status(thm)],[91,87]) ).

tff(93,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ object(U,V)
            | unisex(U,V) )
      | ~ object(skc6,skf5(skf8(skc7,skc6)))
      | unisex(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ object(U,V)
            | unisex(U,V) )
      | ~ object(skc6,skf5(skf8(skc7,skc6)))
      | unisex(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(94,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ object(U,V)
          | unisex(U,V) )
    | ~ object(skc6,skf5(skf8(skc7,skc6)))
    | unisex(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(95,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ object(U,V)
          | unisex(U,V) )
    | ~ object(skc6,skf5(skf8(skc7,skc6)))
    | unisex(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[94,93]) ).

tff(96,plain,
    ~ object(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[95,92,85]) ).

tff(97,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ member(skc6,U,skc7)
          | frontseat(skc6,skf5(V)) )
      <=> ( ~ member(skc6,U,skc7)
          | frontseat(skc6,skf5(V)) ) )),
    inference(bind,[status(th)],]) ).

tff(98,plain,
    ( ! [V: $i,U: $i] :
        ( ~ member(skc6,U,skc7)
        | frontseat(skc6,skf5(V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ member(skc6,U,skc7)
        | frontseat(skc6,skf5(V)) ) ),
    inference(quant_intro,[status(thm)],[97]) ).

tff(99,plain,
    ( ! [V: $i,U: $i] :
        ( ~ member(skc6,U,skc7)
        | frontseat(skc6,skf5(V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ member(skc6,U,skc7)
        | frontseat(skc6,skf5(V)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(100,axiom,
    ! [V: $i,U: $i] :
      ( ~ member(skc6,U,skc7)
      | frontseat(skc6,skf5(V)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause89) ).

tff(101,plain,
    ! [V: $i,U: $i] :
      ( ~ member(skc6,U,skc7)
      | frontseat(skc6,skf5(V)) ),
    inference(modus_ponens,[status(thm)],[100,99]) ).

tff(102,plain,
    ! [V: $i,U: $i] :
      ( ~ member(skc6,U,skc7)
      | frontseat(skc6,skf5(V)) ),
    inference(skolemize,[status(sab)],[101]) ).

tff(103,plain,
    ! [V: $i,U: $i] :
      ( ~ member(skc6,U,skc7)
      | frontseat(skc6,skf5(V)) ),
    inference(modus_ponens,[status(thm)],[102,98]) ).

tff(104,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ member(skc6,U,skc7)
            | frontseat(skc6,skf5(V)) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | frontseat(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ member(skc6,U,skc7)
            | frontseat(skc6,skf5(V)) )
      | ~ member(skc6,skf8(skc7,skc6),skc7)
      | frontseat(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(105,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ member(skc6,U,skc7)
          | frontseat(skc6,skf5(V)) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | frontseat(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(106,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ member(skc6,U,skc7)
          | frontseat(skc6,skf5(V)) )
    | ~ member(skc6,skf8(skc7,skc6),skc7)
    | frontseat(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[105,104]) ).

tff(107,plain,
    frontseat(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[106,103,14]) ).

tff(108,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ frontseat(U,V)
          | seat(U,V) )
      <=> ( ~ frontseat(U,V)
          | seat(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(109,plain,
    ( ! [V: $i,U: $i] :
        ( ~ frontseat(U,V)
        | seat(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ frontseat(U,V)
        | seat(U,V) ) ),
    inference(quant_intro,[status(thm)],[108]) ).

tff(110,plain,
    ( ! [V: $i,U: $i] :
        ( ~ frontseat(U,V)
        | seat(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ frontseat(U,V)
        | seat(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(111,axiom,
    ! [V: $i,U: $i] :
      ( ~ frontseat(U,V)
      | seat(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause48) ).

tff(112,plain,
    ! [V: $i,U: $i] :
      ( ~ frontseat(U,V)
      | seat(U,V) ),
    inference(modus_ponens,[status(thm)],[111,110]) ).

tff(113,plain,
    ! [V: $i,U: $i] :
      ( ~ frontseat(U,V)
      | seat(U,V) ),
    inference(skolemize,[status(sab)],[112]) ).

tff(114,plain,
    ! [V: $i,U: $i] :
      ( ~ frontseat(U,V)
      | seat(U,V) ),
    inference(modus_ponens,[status(thm)],[113,109]) ).

tff(115,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ frontseat(U,V)
            | seat(U,V) )
      | ~ frontseat(skc6,skf5(skf8(skc7,skc6)))
      | seat(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ frontseat(U,V)
            | seat(U,V) )
      | ~ frontseat(skc6,skf5(skf8(skc7,skc6)))
      | seat(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(116,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ frontseat(U,V)
          | seat(U,V) )
    | ~ frontseat(skc6,skf5(skf8(skc7,skc6)))
    | seat(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(117,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ frontseat(U,V)
          | seat(U,V) )
    | ~ frontseat(skc6,skf5(skf8(skc7,skc6)))
    | seat(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[116,115]) ).

tff(118,plain,
    seat(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[117,114,107]) ).

tff(119,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ seat(U,V)
          | furniture(U,V) )
      <=> ( ~ seat(U,V)
          | furniture(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(120,plain,
    ( ! [V: $i,U: $i] :
        ( ~ seat(U,V)
        | furniture(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ seat(U,V)
        | furniture(U,V) ) ),
    inference(quant_intro,[status(thm)],[119]) ).

tff(121,plain,
    ( ! [V: $i,U: $i] :
        ( ~ seat(U,V)
        | furniture(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ seat(U,V)
        | furniture(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(122,axiom,
    ! [V: $i,U: $i] :
      ( ~ seat(U,V)
      | furniture(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause49) ).

tff(123,plain,
    ! [V: $i,U: $i] :
      ( ~ seat(U,V)
      | furniture(U,V) ),
    inference(modus_ponens,[status(thm)],[122,121]) ).

tff(124,plain,
    ! [V: $i,U: $i] :
      ( ~ seat(U,V)
      | furniture(U,V) ),
    inference(skolemize,[status(sab)],[123]) ).

tff(125,plain,
    ! [V: $i,U: $i] :
      ( ~ seat(U,V)
      | furniture(U,V) ),
    inference(modus_ponens,[status(thm)],[124,120]) ).

tff(126,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ seat(U,V)
            | furniture(U,V) )
      | ~ seat(skc6,skf5(skf8(skc7,skc6)))
      | furniture(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ seat(U,V)
            | furniture(U,V) )
      | ~ seat(skc6,skf5(skf8(skc7,skc6)))
      | furniture(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(127,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ seat(U,V)
          | furniture(U,V) )
    | ~ seat(skc6,skf5(skf8(skc7,skc6)))
    | furniture(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(128,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ seat(U,V)
          | furniture(U,V) )
    | ~ seat(skc6,skf5(skf8(skc7,skc6)))
    | furniture(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[127,126]) ).

tff(129,plain,
    furniture(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[128,125,118]) ).

tff(130,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ furniture(U,V)
          | instrumentality(U,V) )
      <=> ( ~ furniture(U,V)
          | instrumentality(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(131,plain,
    ( ! [V: $i,U: $i] :
        ( ~ furniture(U,V)
        | instrumentality(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ furniture(U,V)
        | instrumentality(U,V) ) ),
    inference(quant_intro,[status(thm)],[130]) ).

tff(132,plain,
    ( ! [V: $i,U: $i] :
        ( ~ furniture(U,V)
        | instrumentality(U,V) )
  <=> ! [V: $i,U: $i] :
        ( ~ furniture(U,V)
        | instrumentality(U,V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(133,axiom,
    ! [V: $i,U: $i] :
      ( ~ furniture(U,V)
      | instrumentality(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause50) ).

tff(134,plain,
    ! [V: $i,U: $i] :
      ( ~ furniture(U,V)
      | instrumentality(U,V) ),
    inference(modus_ponens,[status(thm)],[133,132]) ).

tff(135,plain,
    ! [V: $i,U: $i] :
      ( ~ furniture(U,V)
      | instrumentality(U,V) ),
    inference(skolemize,[status(sab)],[134]) ).

tff(136,plain,
    ! [V: $i,U: $i] :
      ( ~ furniture(U,V)
      | instrumentality(U,V) ),
    inference(modus_ponens,[status(thm)],[135,131]) ).

tff(137,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ furniture(U,V)
            | instrumentality(U,V) )
      | ~ furniture(skc6,skf5(skf8(skc7,skc6)))
      | instrumentality(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ furniture(U,V)
            | instrumentality(U,V) )
      | ~ furniture(skc6,skf5(skf8(skc7,skc6)))
      | instrumentality(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(138,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ furniture(U,V)
          | instrumentality(U,V) )
    | ~ furniture(skc6,skf5(skf8(skc7,skc6)))
    | instrumentality(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(139,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ furniture(U,V)
          | instrumentality(U,V) )
    | ~ furniture(skc6,skf5(skf8(skc7,skc6)))
    | instrumentality(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[138,137]) ).

tff(140,plain,
    instrumentality(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[139,136,129]) ).

tff(141,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ instrumentality(U,V)
          | artifact(U,V) )
      <=> ( ~ instrumentality(U,V)
          | artifact(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(142,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)],[141]) ).

tff(143,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(144,axiom,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause30) ).

tff(145,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(modus_ponens,[status(thm)],[144,143]) ).

tff(146,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(skolemize,[status(sab)],[145]) ).

tff(147,plain,
    ! [V: $i,U: $i] :
      ( ~ instrumentality(U,V)
      | artifact(U,V) ),
    inference(modus_ponens,[status(thm)],[146,142]) ).

tff(148,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ instrumentality(U,V)
            | artifact(U,V) )
      | ~ instrumentality(skc6,skf5(skf8(skc7,skc6)))
      | artifact(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ instrumentality(U,V)
            | artifact(U,V) )
      | ~ instrumentality(skc6,skf5(skf8(skc7,skc6)))
      | artifact(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(149,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ instrumentality(U,V)
          | artifact(U,V) )
    | ~ instrumentality(skc6,skf5(skf8(skc7,skc6)))
    | artifact(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(150,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ instrumentality(U,V)
          | artifact(U,V) )
    | ~ instrumentality(skc6,skf5(skf8(skc7,skc6)))
    | artifact(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[149,148]) ).

tff(151,plain,
    artifact(skc6,skf5(skf8(skc7,skc6))),
    inference(unit_resolution,[status(thm)],[150,147,140]) ).

tff(152,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ artifact(U,V)
          | object(U,V) )
      <=> ( ~ artifact(U,V)
          | object(U,V) ) )),
    inference(bind,[status(th)],]) ).

tff(153,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)],[152]) ).

tff(154,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(155,axiom,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',clause31) ).

tff(156,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(modus_ponens,[status(thm)],[155,154]) ).

tff(157,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(skolemize,[status(sab)],[156]) ).

tff(158,plain,
    ! [V: $i,U: $i] :
      ( ~ artifact(U,V)
      | object(U,V) ),
    inference(modus_ponens,[status(thm)],[157,153]) ).

tff(159,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ artifact(U,V)
            | object(U,V) )
      | ~ artifact(skc6,skf5(skf8(skc7,skc6)))
      | object(skc6,skf5(skf8(skc7,skc6))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ artifact(U,V)
            | object(U,V) )
      | ~ artifact(skc6,skf5(skf8(skc7,skc6)))
      | object(skc6,skf5(skf8(skc7,skc6))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(160,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ artifact(U,V)
          | object(U,V) )
    | ~ artifact(skc6,skf5(skf8(skc7,skc6)))
    | object(skc6,skf5(skf8(skc7,skc6))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(161,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ artifact(U,V)
          | object(U,V) )
    | ~ artifact(skc6,skf5(skf8(skc7,skc6)))
    | object(skc6,skf5(skf8(skc7,skc6))) ),
    inference(modus_ponens,[status(thm)],[160,159]) ).

tff(162,plain,
    $false,
    inference(unit_resolution,[status(thm)],[161,158,151,96]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : NLP143-1 : TPTP v8.1.0. Released v2.4.0.
% 0.12/0.13  % 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
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.34  % DateTime : Fri Sep  2 04:55:34 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.19/0.34  Usage: tptp [options] [-file:]file
% 0.19/0.34    -h, -?       prints this message.
% 0.19/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.19/0.34    -m, -model   generate model.
% 0.19/0.34    -p, -proof   generate proof.
% 0.19/0.34    -c, -core    generate unsat core of named formulas.
% 0.19/0.34    -st, -statistics display statistics.
% 0.19/0.34    -t:timeout   set timeout (in second).
% 0.19/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.19/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.19/0.34    -<param>:<value> configuration parameter and value.
% 0.19/0.34    -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
%------------------------------------------------------------------------------