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Z3---4.15.1.UNS-Prf.s

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%------------------------------------------------------------------------------
% File     : Z3---4.15.1
% Problem  : SWC167-1 : TPTP v9.0.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : run_E %s %d THM

% Computer : n009.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 : Sat Jun 21 05:30:23 AM UTC 2025

% Result   : Unsatisfiable 0.93s 1.10s
% Output   : Proof 0.93s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   73
% Syntax   : Number of formulae    :  168 (  53 unt;   0 typ;   0 def)
%            Number of atoms       : 1377 ( 171 equ)
%            Maximal formula atoms :   31 (   8 avg)
%            Number of connectives : 2207 (1074   ~;1023   |;   0   &)
%                                         ( 110 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   6 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of FOOLs       :   76 (  76 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   11 (   9 usr;   1 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :  431 ( 389   !;   0   ?; 431   :)

% Comments : 
%------------------------------------------------------------------------------
tff(strictorderedP_type,type,
    strictorderedP: $i > $o ).

tff(app_type,type,
    app: ( $i * $i ) > $i ).

tff(cons_type,type,
    cons: ( $i * $i ) > $i ).

tff(sk9_type,type,
    sk9: $i ).

tff(sk7_type,type,
    sk7: $i ).

tff(nil_type,type,
    nil: $i ).

tff(sk8_type,type,
    sk8: $i ).

tff(sk3_type,type,
    sk3: $i ).

tff(sk1_type,type,
    sk1: $i ).

tff(sk6_type,type,
    sk6: $i ).

tff(ssList_type,type,
    ssList: $i > $o ).

tff(ssItem_type,type,
    ssItem: $i > $o ).

tff(neq_type,type,
    neq: ( $i * $i ) > $o ).

tff(lt_type,type,
    lt: ( $i * $i ) > $o ).

tff(1,plain,
    ( ( sk1 = sk3 )
  <=> ( sk1 = sk3 ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(2,axiom,
    sk1 = sk3,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_6) ).

tff(3,plain,
    sk1 = sk3,
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ( ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = sk1 )
  <=> ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = sk1 ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(5,axiom,
    app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = sk1,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_15) ).

tff(6,plain,
    app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = sk1,
    inference(modus_ponens,[status(thm)],[5,4]) ).

tff(7,plain,
    ( ssItem(sk6)
  <=> ssItem(sk6) ),
    inference(rewrite,[status(thm)],[]) ).

tff(8,axiom,
    ssItem(sk6),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_11) ).

tff(9,plain,
    ssItem(sk6),
    inference(modus_ponens,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [V: $i,U: $i] :
      refl(( ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) ) )),
    inference(bind,[status(th)],[]) ).

tff(11,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(13,plain,
    ^ [V: $i,U: $i] :
      rewrite(( ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) ) )),
    inference(bind,[status(th)],[]) ).

tff(14,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ssList(cons(U,V)) ) ),
    inference(quant_intro,[status(thm)],[13]) ).

tff(15,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

tff(16,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[15,14]) ).

tff(17,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[16,12]) ).

tff(18,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(skolemize,[status(sab)],[17]) ).

tff(19,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[18,11]) ).

tff(20,plain,
    ( ssList(nil)
  <=> ssList(nil) ),
    inference(rewrite,[status(thm)],[]) ).

tff(21,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

tff(22,plain,
    ssList(nil),
    inference(modus_ponens,[status(thm)],[21,20]) ).

tff(23,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk6)
      | ~ ssList(nil)
      | ssList(cons(sk6,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk6)
      | ~ ssList(nil)
      | ssList(cons(sk6,nil)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(24,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk6)
    | ~ ssList(nil)
    | ssList(cons(sk6,nil)) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(25,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk6)
    | ~ ssList(nil)
    | ssList(cons(sk6,nil)) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ssList(cons(sk6,nil)),
    inference(unit_resolution,[status(thm)],[25,22,19,9]) ).

tff(27,plain,
    ( ssList(sk8)
  <=> ssList(sk8) ),
    inference(rewrite,[status(thm)],[]) ).

tff(28,axiom,
    ssList(sk8),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_13) ).

tff(29,plain,
    ssList(sk8),
    inference(modus_ponens,[status(thm)],[28,27]) ).

tff(30,plain,
    ^ [V: $i,U: $i] :
      refl(( ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
      <=> ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) ) )),
    inference(bind,[status(th)],[]) ).

tff(31,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(quant_intro,[status(thm)],[30]) ).

tff(32,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(33,plain,
    ^ [V: $i,U: $i] :
      rewrite(( ( ~ ssList(U)
          | ~ ssList(V)
          | ssList(app(V,U)) )
      <=> ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) ) )),
    inference(bind,[status(th)],[]) ).

tff(34,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ssList(app(V,U)) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ssList(app(V,U))
        | ~ ssList(V) ) ),
    inference(quant_intro,[status(thm)],[33]) ).

tff(35,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(36,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[35,34]) ).

tff(37,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[36,32]) ).

tff(38,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[37]) ).

tff(39,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[38,31]) ).

tff(40,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(sk8)
      | ssList(app(sk8,cons(sk6,nil))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(sk8)
      | ssList(app(sk8,cons(sk6,nil))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(41,plain,
    ( ( ~ ssList(cons(sk6,nil))
      | ssList(app(sk8,cons(sk6,nil)))
      | ~ ssList(sk8) )
  <=> ( ~ ssList(cons(sk6,nil))
      | ~ ssList(sk8)
      | ssList(app(sk8,cons(sk6,nil))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(42,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ssList(app(sk8,cons(sk6,nil)))
      | ~ ssList(sk8) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(sk8)
      | ssList(app(sk8,cons(sk6,nil))) ) ),
    inference(monotonicity,[status(thm)],[41]) ).

tff(43,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ssList(app(sk8,cons(sk6,nil)))
      | ~ ssList(sk8) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(sk8)
      | ssList(app(sk8,cons(sk6,nil))) ) ),
    inference(transitivity,[status(thm)],[42,40]) ).

tff(44,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(sk6,nil))
    | ssList(app(sk8,cons(sk6,nil)))
    | ~ ssList(sk8) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(45,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(sk6,nil))
    | ~ ssList(sk8)
    | ssList(app(sk8,cons(sk6,nil))) ),
    inference(modus_ponens,[status(thm)],[44,43]) ).

tff(46,plain,
    ssList(app(sk8,cons(sk6,nil))),
    inference(unit_resolution,[status(thm)],[45,39,29,26]) ).

tff(47,plain,
    ( ssItem(sk7)
  <=> ssItem(sk7) ),
    inference(rewrite,[status(thm)],[]) ).

tff(48,axiom,
    ssItem(sk7),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_12) ).

tff(49,plain,
    ssItem(sk7),
    inference(modus_ponens,[status(thm)],[48,47]) ).

tff(50,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ssList(cons(sk7,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ssList(cons(sk7,nil)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(51,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | ssList(cons(sk7,nil)) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(52,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | ssList(cons(sk7,nil)) ),
    inference(modus_ponens,[status(thm)],[51,50]) ).

tff(53,plain,
    ssList(cons(sk7,nil)),
    inference(unit_resolution,[status(thm)],[52,22,19,49]) ).

tff(54,plain,
    ( ssList(sk9)
  <=> ssList(sk9) ),
    inference(rewrite,[status(thm)],[]) ).

tff(55,axiom,
    ssList(sk9),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

tff(56,plain,
    ssList(sk9),
    inference(modus_ponens,[status(thm)],[55,54]) ).

tff(57,plain,
    ^ [W: $i,V: $i,U: $i] :
      refl(( ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(58,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) ) ),
    inference(quant_intro,[status(thm)],[57]) ).

tff(59,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(60,plain,
    ^ [W: $i,V: $i,U: $i] :
      trans(monotonicity(rewrite(( ( ~ ssList(U)
              | ~ ssList(V)
              | ~ ssList(W) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ~ ssList(W) ) )),
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) ) )),
        rewrite(( ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) ) )),
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(61,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(W)
        | ( app(app(W,V),U) = app(W,app(V,U)) ) ) ),
    inference(quant_intro,[status(thm)],[60]) ).

tff(62,axiom,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ( app(app(W,V),U) = app(W,app(V,U)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause149) ).

tff(63,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ( app(app(W,V),U) = app(W,app(V,U)) ) ),
    inference(modus_ponens,[status(thm)],[62,61]) ).

tff(64,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ( app(app(W,V),U) = app(W,app(V,U)) ) ),
    inference(modus_ponens,[status(thm)],[63,59]) ).

tff(65,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ( app(app(W,V),U) = app(W,app(V,U)) ) ),
    inference(skolemize,[status(sab)],[64]) ).

tff(66,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(W)
      | ( app(app(W,V),U) = app(W,app(V,U)) ) ),
    inference(modus_ponens,[status(thm)],[65,58]) ).

tff(67,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(sk9)
      | ~ ssList(cons(sk7,nil))
      | ~ ssList(app(sk8,cons(sk6,nil)))
      | ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(sk9)
      | ~ ssList(cons(sk7,nil))
      | ~ ssList(app(sk8,cons(sk6,nil)))
      | ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(68,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(sk9)
    | ~ ssList(cons(sk7,nil))
    | ~ ssList(app(sk8,cons(sk6,nil)))
    | ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(69,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(sk9)
    | ~ ssList(cons(sk7,nil))
    | ~ ssList(app(sk8,cons(sk6,nil)))
    | ( app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)) ) ),
    inference(modus_ponens,[status(thm)],[68,67]) ).

tff(70,plain,
    app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)),
    inference(unit_resolution,[status(thm)],[69,66,56,53,46]) ).

tff(71,plain,
    app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)) = app(app(app(sk8,cons(sk6,nil)),cons(sk7,nil)),sk9),
    inference(symmetry,[status(thm)],[70]) ).

tff(72,plain,
    ^ [V: $i,U: $i] :
      refl(( ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(73,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) ) ),
    inference(quant_intro,[status(thm)],[72]) ).

tff(74,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(75,plain,
    ^ [V: $i,U: $i] :
      rewrite(( ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(76,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( app(cons(U,nil),V) = cons(U,V) ) ) ),
    inference(quant_intro,[status(thm)],[75]) ).

tff(77,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause120) ).

tff(78,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[77,76]) ).

tff(79,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[78,74]) ).

tff(80,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(skolemize,[status(sab)],[79]) ).

tff(81,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[80,73]) ).

tff(82,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(sk7)
      | ~ ssList(sk9)
      | ( app(cons(sk7,nil),sk9) = cons(sk7,sk9) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(sk7)
      | ~ ssList(sk9)
      | ( app(cons(sk7,nil),sk9) = cons(sk7,sk9) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(83,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(sk7)
    | ~ ssList(sk9)
    | ( app(cons(sk7,nil),sk9) = cons(sk7,sk9) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(84,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(sk7)
    | ~ ssList(sk9)
    | ( app(cons(sk7,nil),sk9) = cons(sk7,sk9) ) ),
    inference(modus_ponens,[status(thm)],[83,82]) ).

tff(85,plain,
    app(cons(sk7,nil),sk9) = cons(sk7,sk9),
    inference(unit_resolution,[status(thm)],[84,81,49,56]) ).

tff(86,plain,
    cons(sk7,sk9) = app(cons(sk7,nil),sk9),
    inference(symmetry,[status(thm)],[85]) ).

tff(87,plain,
    ( ~ neq(sk6,sk7)
  <=> ~ neq(sk6,sk7) ),
    inference(rewrite,[status(thm)],[]) ).

tff(88,axiom,
    ~ neq(sk6,sk7),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_16) ).

tff(89,plain,
    ~ neq(sk6,sk7),
    inference(modus_ponens,[status(thm)],[88,87]) ).

tff(90,plain,
    ^ [V: $i,U: $i] :
      refl(( ( ~ ssItem(U)
          | ( V = U )
          | neq(V,U)
          | ~ ssItem(V) )
      <=> ( ~ ssItem(U)
          | ( V = U )
          | neq(V,U)
          | ~ ssItem(V) ) )),
    inference(bind,[status(th)],[]) ).

tff(91,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ( V = U )
        | neq(V,U)
        | ~ ssItem(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ( V = U )
        | neq(V,U)
        | ~ ssItem(V) ) ),
    inference(quant_intro,[status(thm)],[90]) ).

tff(92,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ( V = U )
        | neq(V,U)
        | ~ ssItem(V) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ( V = U )
        | neq(V,U)
        | ~ ssItem(V) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(93,plain,
    ^ [V: $i,U: $i] :
      trans(monotonicity(rewrite(( ( ~ ssItem(U)
              | ~ ssItem(V)
              | neq(V,U) )
          <=> ( ~ ssItem(U)
              | neq(V,U)
              | ~ ssItem(V) ) )),
          ( ( ~ ssItem(U)
            | ~ ssItem(V)
            | neq(V,U)
            | ( V = U ) )
        <=> ( ~ ssItem(U)
            | neq(V,U)
            | ~ ssItem(V)
            | ( V = U ) ) )),
        rewrite(( ( ~ ssItem(U)
            | neq(V,U)
            | ~ ssItem(V)
            | ( V = U ) )
        <=> ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) ) )),
        ( ( ~ ssItem(U)
          | ~ ssItem(V)
          | neq(V,U)
          | ( V = U ) )
      <=> ( ~ ssItem(U)
          | ( V = U )
          | neq(V,U)
          | ~ ssItem(V) ) )),
    inference(bind,[status(th)],[]) ).

tff(94,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssItem(V)
        | neq(V,U)
        | ( V = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ( V = U )
        | neq(V,U)
        | ~ ssItem(V) ) ),
    inference(quant_intro,[status(thm)],[93]) ).

tff(95,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssItem(V)
      | neq(V,U)
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause102) ).

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

tff(97,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ( V = U )
      | neq(V,U)
      | ~ ssItem(V) ),
    inference(modus_ponens,[status(thm)],[96,92]) ).

tff(98,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ( V = U )
      | neq(V,U)
      | ~ ssItem(V) ),
    inference(skolemize,[status(sab)],[97]) ).

tff(99,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ( V = U )
      | neq(V,U)
      | ~ ssItem(V) ),
    inference(modus_ponens,[status(thm)],[98,91]) ).

tff(100,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | neq(sk6,sk7)
      | ~ ssItem(sk6)
      | ~ ssItem(sk7)
      | ( sk6 = sk7 ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | neq(sk6,sk7)
      | ~ ssItem(sk6)
      | ~ ssItem(sk7)
      | ( sk6 = sk7 ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(101,plain,
    ( ( ~ ssItem(sk7)
      | ( sk6 = sk7 )
      | neq(sk6,sk7)
      | ~ ssItem(sk6) )
  <=> ( neq(sk6,sk7)
      | ~ ssItem(sk6)
      | ~ ssItem(sk7)
      | ( sk6 = sk7 ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(102,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | ~ ssItem(sk7)
      | ( sk6 = sk7 )
      | neq(sk6,sk7)
      | ~ ssItem(sk6) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | neq(sk6,sk7)
      | ~ ssItem(sk6)
      | ~ ssItem(sk7)
      | ( sk6 = sk7 ) ) ),
    inference(monotonicity,[status(thm)],[101]) ).

tff(103,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | ~ ssItem(sk7)
      | ( sk6 = sk7 )
      | neq(sk6,sk7)
      | ~ ssItem(sk6) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ( V = U )
            | neq(V,U)
            | ~ ssItem(V) )
      | neq(sk6,sk7)
      | ~ ssItem(sk6)
      | ~ ssItem(sk7)
      | ( sk6 = sk7 ) ) ),
    inference(transitivity,[status(thm)],[102,100]) ).

tff(104,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ( V = U )
          | neq(V,U)
          | ~ ssItem(V) )
    | ~ ssItem(sk7)
    | ( sk6 = sk7 )
    | neq(sk6,sk7)
    | ~ ssItem(sk6) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(105,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ( V = U )
          | neq(V,U)
          | ~ ssItem(V) )
    | neq(sk6,sk7)
    | ~ ssItem(sk6)
    | ~ ssItem(sk7)
    | ( sk6 = sk7 ) ),
    inference(modus_ponens,[status(thm)],[104,103]) ).

tff(106,plain,
    sk6 = sk7,
    inference(unit_resolution,[status(thm)],[105,99,9,49,89]) ).

tff(107,plain,
    cons(sk6,nil) = cons(sk7,nil),
    inference(monotonicity,[status(thm)],[106]) ).

tff(108,plain,
    cons(sk7,nil) = cons(sk6,nil),
    inference(symmetry,[status(thm)],[107]) ).

tff(109,plain,
    app(sk8,cons(sk7,nil)) = app(sk8,cons(sk6,nil)),
    inference(monotonicity,[status(thm)],[108]) ).

tff(110,plain,
    app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)) = app(app(sk8,cons(sk6,nil)),app(cons(sk7,nil),sk9)),
    inference(monotonicity,[status(thm)],[109,86]) ).

tff(111,plain,
    app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)) = sk3,
    inference(transitivity,[status(thm)],[110,71,6,3]) ).

tff(112,plain,
    ( strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
  <=> strictorderedP(sk3) ),
    inference(monotonicity,[status(thm)],[111]) ).

tff(113,plain,
    ( strictorderedP(sk3)
  <=> strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ),
    inference(symmetry,[status(thm)],[112]) ).

tff(114,plain,
    ( strictorderedP(sk3)
  <=> strictorderedP(sk3) ),
    inference(rewrite,[status(thm)],[]) ).

tff(115,axiom,
    strictorderedP(sk3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

tff(116,plain,
    strictorderedP(sk3),
    inference(modus_ponens,[status(thm)],[115,114]) ).

tff(117,plain,
    strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))),
    inference(modus_ponens,[status(thm)],[116,113]) ).

tff(118,plain,
    ( ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
  <=> ssList(sk3) ),
    inference(monotonicity,[status(thm)],[111]) ).

tff(119,plain,
    ( ssList(sk3)
  <=> ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ),
    inference(symmetry,[status(thm)],[118]) ).

tff(120,plain,
    ( ssList(sk3)
  <=> ssList(sk3) ),
    inference(rewrite,[status(thm)],[]) ).

tff(121,axiom,
    ssList(sk3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_3) ).

tff(122,plain,
    ssList(sk3),
    inference(modus_ponens,[status(thm)],[121,120]) ).

tff(123,plain,
    ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))),
    inference(modus_ponens,[status(thm)],[122,119]) ).

tff(124,plain,
    ^ [V: $i] :
      refl(( ( ~ ssItem(V)
          | ~ lt(V,V) )
      <=> ( ~ ssItem(V)
          | ~ lt(V,V) ) )),
    inference(bind,[status(th)],[]) ).

tff(125,plain,
    ( ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(quant_intro,[status(thm)],[124]) ).

tff(126,plain,
    ( ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(127,plain,
    ^ [V: $i] :
      rewrite(( ( ~ ssItem(V)
          | ~ ssItem(V)
          | ~ lt(V,V) )
      <=> ( ~ ssItem(V)
          | ~ lt(V,V) ) )),
    inference(bind,[status(th)],[]) ).

tff(128,plain,
    ( ! [V: $i] :
        ( ~ ssItem(V)
        | ~ ssItem(V)
        | ~ lt(V,V) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(quant_intro,[status(thm)],[127]) ).

tff(129,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(V)
        | ~ ssItem(V)
        | ~ lt(V,V) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(elim_unused_vars,[status(thm)],[]) ).

tff(130,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssItem(V)
        | ~ lt(U,V)
        | ( U != V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(V)
        | ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(destructive_equality_resolution,[status(thm)],[]) ).

tff(131,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssItem(V)
        | ~ lt(U,V)
        | ( U != V ) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(transitivity,[status(thm)],[130,129]) ).

tff(132,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssItem(V)
        | ~ lt(U,V)
        | ( U != V ) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(transitivity,[status(thm)],[131,128]) ).

tff(133,plain,
    ^ [V: $i,U: $i] :
      trans(monotonicity(rewrite(( ( ( U != V )
              | ~ lt(U,V)
              | ~ ssItem(V) )
          <=> ( ~ ssItem(V)
              | ~ lt(U,V)
              | ( U != V ) ) )),
          ( ( ( U != V )
            | ~ lt(U,V)
            | ~ ssItem(V)
            | ~ ssItem(U) )
        <=> ( ~ ssItem(V)
            | ~ lt(U,V)
            | ( U != V )
            | ~ ssItem(U) ) )),
        rewrite(( ( ~ ssItem(V)
            | ~ lt(U,V)
            | ( U != V )
            | ~ ssItem(U) )
        <=> ( ~ ssItem(U)
            | ~ ssItem(V)
            | ~ lt(U,V)
            | ( U != V ) ) )),
        ( ( ( U != V )
          | ~ lt(U,V)
          | ~ ssItem(V)
          | ~ ssItem(U) )
      <=> ( ~ ssItem(U)
          | ~ ssItem(V)
          | ~ lt(U,V)
          | ( U != V ) ) )),
    inference(bind,[status(th)],[]) ).

tff(134,plain,
    ( ! [V: $i,U: $i] :
        ( ( U != V )
        | ~ lt(U,V)
        | ~ ssItem(V)
        | ~ ssItem(U) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssItem(V)
        | ~ lt(U,V)
        | ( U != V ) ) ),
    inference(quant_intro,[status(thm)],[133]) ).

tff(135,plain,
    ( ! [V: $i,U: $i] :
        ( ( U != V )
        | ~ lt(U,V)
        | ~ ssItem(V)
        | ~ ssItem(U) )
  <=> ! [V: $i] :
        ( ~ ssItem(V)
        | ~ lt(V,V) ) ),
    inference(transitivity,[status(thm)],[134,132]) ).

tff(136,axiom,
    ! [V: $i,U: $i] :
      ( ( U != V )
      | ~ lt(U,V)
      | ~ ssItem(V)
      | ~ ssItem(U) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause111) ).

tff(137,plain,
    ! [V: $i] :
      ( ~ ssItem(V)
      | ~ lt(V,V) ),
    inference(modus_ponens,[status(thm)],[136,135]) ).

tff(138,plain,
    ! [V: $i] :
      ( ~ ssItem(V)
      | ~ lt(V,V) ),
    inference(modus_ponens,[status(thm)],[137,126]) ).

tff(139,plain,
    ! [V: $i] :
      ( ~ ssItem(V)
      | ~ lt(V,V) ),
    inference(skolemize,[status(sab)],[138]) ).

tff(140,plain,
    ! [V: $i] :
      ( ~ ssItem(V)
      | ~ lt(V,V) ),
    inference(modus_ponens,[status(thm)],[139,125]) ).

tff(141,plain,
    ( ( ~ ! [V: $i] :
            ( ~ ssItem(V)
            | ~ lt(V,V) )
      | ~ ssItem(sk7)
      | ~ lt(sk7,sk7) )
  <=> ( ~ ! [V: $i] :
            ( ~ ssItem(V)
            | ~ lt(V,V) )
      | ~ ssItem(sk7)
      | ~ lt(sk7,sk7) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(142,plain,
    ( ~ ! [V: $i] :
          ( ~ ssItem(V)
          | ~ lt(V,V) )
    | ~ ssItem(sk7)
    | ~ lt(sk7,sk7) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(143,plain,
    ( ~ ! [V: $i] :
          ( ~ ssItem(V)
          | ~ lt(V,V) )
    | ~ ssItem(sk7)
    | ~ lt(sk7,sk7) ),
    inference(modus_ponens,[status(thm)],[142,141]) ).

tff(144,plain,
    ~ lt(sk7,sk7),
    inference(unit_resolution,[status(thm)],[143,140,49]) ).

tff(145,plain,
    ^ [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      refl(( ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      <=> ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) )),
    inference(bind,[status(th)],[]) ).

tff(146,plain,
    ( ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) ),
    inference(quant_intro,[status(thm)],[145]) ).

tff(147,plain,
    ( ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(148,plain,
    ^ [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      rewrite(( ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | ~ ssItem(V)
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
          | ~ ssList(W) )
      <=> ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) )),
    inference(bind,[status(th)],[]) ).

tff(149,plain,
    ( ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssList(W) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) ),
    inference(quant_intro,[status(thm)],[148]) ).

tff(150,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssList(W) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssList(W) ) ),
    inference(elim_unused_vars,[status(thm)],[]) ).

tff(151,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(Z)
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(Z)
        | ~ ssList(W)
        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssList(W) ) ),
    inference(destructive_equality_resolution,[status(thm)],[]) ).

tff(152,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(Z)
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(Z)
        | ~ ssList(W)
        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y)))
        | ~ ssList(W) ) ),
    inference(transitivity,[status(thm)],[151,150]) ).

tff(153,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(Z)
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(Z)
        | ~ ssList(W)
        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) ),
    inference(transitivity,[status(thm)],[152,149]) ).

tff(154,plain,
    ^ [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      trans(monotonicity(trans(monotonicity(trans(monotonicity(trans(monotonicity(trans(monotonicity(trans(monotonicity(trans(monotonicity(rewrite(( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                      | ~ ssList(Y) )
                                  <=> ( ~ ssList(Y)
                                      | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                                  ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                    | ~ ssList(Y)
                                    | ~ ssList(W) )
                                <=> ( ~ ssList(Y)
                                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                    | ~ ssList(W) ) )),
                                rewrite(( ( ~ ssList(Y)
                                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                    | ~ ssList(W) )
                                <=> ( ~ ssList(Y)
                                    | ~ ssList(W)
                                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                                ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                  | ~ ssList(Y)
                                  | ~ ssList(W) )
                              <=> ( ~ ssList(Y)
                                  | ~ ssList(W)
                                  | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                              ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                | ~ ssList(Y)
                                | ~ ssList(W)
                                | ~ ssList(U) )
                            <=> ( ~ ssList(Y)
                                | ~ ssList(W)
                                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                | ~ ssList(U) ) )),
                            rewrite(( ( ~ ssList(Y)
                                | ~ ssList(W)
                                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                                | ~ ssList(U) )
                            <=> ( ~ ssList(U)
                                | ~ ssList(Y)
                                | ~ ssList(W)
                                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                            ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                              | ~ ssList(Y)
                              | ~ ssList(W)
                              | ~ ssList(U) )
                          <=> ( ~ ssList(U)
                              | ~ ssList(Y)
                              | ~ ssList(W)
                              | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                          ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                            | ~ ssList(Y)
                            | ~ ssList(W)
                            | ~ ssList(U)
                            | ~ ssItem(X) )
                        <=> ( ~ ssList(U)
                            | ~ ssList(Y)
                            | ~ ssList(W)
                            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                            | ~ ssItem(X) ) )),
                        rewrite(( ( ~ ssList(U)
                            | ~ ssList(Y)
                            | ~ ssList(W)
                            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                            | ~ ssItem(X) )
                        <=> ( ~ ssItem(X)
                            | ~ ssList(U)
                            | ~ ssList(Y)
                            | ~ ssList(W)
                            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                        ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                          | ~ ssList(Y)
                          | ~ ssList(W)
                          | ~ ssList(U)
                          | ~ ssItem(X) )
                      <=> ( ~ ssItem(X)
                          | ~ ssList(U)
                          | ~ ssList(Y)
                          | ~ ssList(W)
                          | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                      ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                        | ~ ssList(Y)
                        | ~ ssList(W)
                        | ~ ssList(U)
                        | ~ ssItem(X)
                        | ~ ssItem(V) )
                    <=> ( ~ ssItem(X)
                        | ~ ssList(U)
                        | ~ ssList(Y)
                        | ~ ssList(W)
                        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                        | ~ ssItem(V) ) )),
                    rewrite(( ( ~ ssItem(X)
                        | ~ ssList(U)
                        | ~ ssList(Y)
                        | ~ ssList(W)
                        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                        | ~ ssItem(V) )
                    <=> ( ~ ssItem(X)
                        | ~ ssList(U)
                        | ~ ssList(Y)
                        | ~ ssItem(V)
                        | ~ ssList(W)
                        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                    ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                      | ~ ssList(Y)
                      | ~ ssList(W)
                      | ~ ssList(U)
                      | ~ ssItem(X)
                      | ~ ssItem(V) )
                  <=> ( ~ ssItem(X)
                      | ~ ssList(U)
                      | ~ ssList(Y)
                      | ~ ssItem(V)
                      | ~ ssList(W)
                      | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                  ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                    | ~ ssList(Y)
                    | ~ ssList(W)
                    | ~ ssList(U)
                    | ~ ssItem(X)
                    | ~ ssItem(V)
                    | ~ strictorderedP(Z) )
                <=> ( ~ ssItem(X)
                    | ~ ssList(U)
                    | ~ ssList(Y)
                    | ~ ssItem(V)
                    | ~ ssList(W)
                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                    | ~ strictorderedP(Z) ) )),
                rewrite(( ( ~ ssItem(X)
                    | ~ ssList(U)
                    | ~ ssList(Y)
                    | ~ ssItem(V)
                    | ~ ssList(W)
                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                    | ~ strictorderedP(Z) )
                <=> ( ~ ssItem(X)
                    | ~ ssList(U)
                    | ~ ssList(Y)
                    | ~ ssItem(V)
                    | ~ strictorderedP(Z)
                    | ~ ssList(W)
                    | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
                ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                  | ~ ssList(Y)
                  | ~ ssList(W)
                  | ~ ssList(U)
                  | ~ ssItem(X)
                  | ~ ssItem(V)
                  | ~ strictorderedP(Z) )
              <=> ( ~ ssItem(X)
                  | ~ ssList(U)
                  | ~ ssList(Y)
                  | ~ ssItem(V)
                  | ~ strictorderedP(Z)
                  | ~ ssList(W)
                  | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
              ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                | ~ ssList(Y)
                | ~ ssList(W)
                | ~ ssList(U)
                | ~ ssItem(X)
                | ~ ssItem(V)
                | ~ strictorderedP(Z)
                | ~ ssList(Z) )
            <=> ( ~ ssItem(X)
                | ~ ssList(U)
                | ~ ssList(Y)
                | ~ ssItem(V)
                | ~ strictorderedP(Z)
                | ~ ssList(W)
                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                | ~ ssList(Z) ) )),
            rewrite(( ( ~ ssItem(X)
                | ~ ssList(U)
                | ~ ssList(Y)
                | ~ ssItem(V)
                | ~ strictorderedP(Z)
                | ~ ssList(W)
                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
                | ~ ssList(Z) )
            <=> ( ~ ssItem(X)
                | ~ ssList(U)
                | ~ ssList(Y)
                | ~ ssList(Z)
                | ~ ssItem(V)
                | ~ strictorderedP(Z)
                | ~ ssList(W)
                | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
            ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
              | ~ ssList(Y)
              | ~ ssList(W)
              | ~ ssList(U)
              | ~ ssItem(X)
              | ~ ssItem(V)
              | ~ strictorderedP(Z)
              | ~ ssList(Z) )
          <=> ( ~ ssItem(X)
              | ~ ssList(U)
              | ~ ssList(Y)
              | ~ ssList(Z)
              | ~ ssItem(V)
              | ~ strictorderedP(Z)
              | ~ ssList(W)
              | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
          ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
            | ~ ssList(Y)
            | ~ ssList(W)
            | ~ ssList(U)
            | ~ ssItem(X)
            | ~ ssItem(V)
            | ~ strictorderedP(Z)
            | ~ ssList(Z)
            | lt(V,X) )
        <=> ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssList(Z)
            | ~ ssItem(V)
            | ~ strictorderedP(Z)
            | ~ ssList(W)
            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
            | lt(V,X) ) )),
        rewrite(( ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssList(Z)
            | ~ ssItem(V)
            | ~ strictorderedP(Z)
            | ~ ssList(W)
            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
            | lt(V,X) )
        <=> ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssList(Z)
            | ~ ssItem(V)
            | lt(V,X)
            | ~ strictorderedP(Z)
            | ~ ssList(W)
            | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
        ( ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
          | ~ ssList(Y)
          | ~ ssList(W)
          | ~ ssList(U)
          | ~ ssItem(X)
          | ~ ssItem(V)
          | ~ strictorderedP(Z)
          | ~ ssList(Z)
          | lt(V,X) )
      <=> ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssList(Z)
          | ~ ssItem(V)
          | lt(V,X)
          | ~ strictorderedP(Z)
          | ~ ssList(W)
          | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) )),
    inference(bind,[status(th)],[]) ).

tff(155,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
        | ~ ssList(Y)
        | ~ ssList(W)
        | ~ ssList(U)
        | ~ ssItem(X)
        | ~ ssItem(V)
        | ~ strictorderedP(Z)
        | ~ ssList(Z)
        | lt(V,X) )
  <=> ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssList(Z)
        | ~ ssItem(V)
        | lt(V,X)
        | ~ strictorderedP(Z)
        | ~ ssList(W)
        | ( app(app(U,cons(V,W)),cons(X,Y)) != Z ) ) ),
    inference(quant_intro,[status(thm)],[154]) ).

tff(156,plain,
    ( ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
        ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
        | ~ ssList(Y)
        | ~ ssList(W)
        | ~ ssList(U)
        | ~ ssItem(X)
        | ~ ssItem(V)
        | ~ strictorderedP(Z)
        | ~ ssList(Z)
        | lt(V,X) )
  <=> ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
        ( ~ ssItem(X)
        | ~ ssList(U)
        | ~ ssList(Y)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
        | lt(V,X)
        | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ) ),
    inference(transitivity,[status(thm)],[155,153]) ).

tff(157,axiom,
    ! [W: $i,V: $i,Z: $i,Y: $i,U: $i,X: $i] :
      ( ( app(app(U,cons(V,W)),cons(X,Y)) != Z )
      | ~ ssList(Y)
      | ~ ssList(W)
      | ~ ssList(U)
      | ~ ssItem(X)
      | ~ ssItem(V)
      | ~ strictorderedP(Z)
      | ~ ssList(Z)
      | lt(V,X) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause181) ).

tff(158,plain,
    ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      ( ~ ssItem(X)
      | ~ ssList(U)
      | ~ ssList(Y)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
      | lt(V,X)
      | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ),
    inference(modus_ponens,[status(thm)],[157,156]) ).

tff(159,plain,
    ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      ( ~ ssItem(X)
      | ~ ssList(U)
      | ~ ssList(Y)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
      | lt(V,X)
      | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ),
    inference(modus_ponens,[status(thm)],[158,147]) ).

tff(160,plain,
    ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      ( ~ ssItem(X)
      | ~ ssList(U)
      | ~ ssList(Y)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
      | lt(V,X)
      | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ),
    inference(skolemize,[status(sab)],[159]) ).

tff(161,plain,
    ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
      ( ~ ssItem(X)
      | ~ ssList(U)
      | ~ ssList(Y)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
      | lt(V,X)
      | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) ),
    inference(modus_ponens,[status(thm)],[160,146]) ).

tff(162,plain,
    ( ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssList(nil)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | lt(sk7,sk7)
      | ~ ssList(sk8)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) )
  <=> ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssList(nil)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | lt(sk7,sk7)
      | ~ ssList(sk8)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(163,plain,
    ( ( ~ ssItem(sk7)
      | ~ ssList(sk8)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | lt(sk7,sk7)
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) )
  <=> ( ~ ssList(nil)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | lt(sk7,sk7)
      | ~ ssList(sk8)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(164,plain,
    ( ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssItem(sk7)
      | ~ ssList(sk8)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | lt(sk7,sk7)
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) )
  <=> ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssList(nil)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | lt(sk7,sk7)
      | ~ ssList(sk8)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ) ),
    inference(monotonicity,[status(thm)],[163]) ).

tff(165,plain,
    ( ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssItem(sk7)
      | ~ ssList(sk8)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | ~ ssList(nil)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | lt(sk7,sk7)
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) )
  <=> ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
            ( ~ ssItem(X)
            | ~ ssList(U)
            | ~ ssList(Y)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
            | lt(V,X)
            | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
      | ~ ssList(nil)
      | ~ ssList(sk9)
      | ~ ssItem(sk7)
      | lt(sk7,sk7)
      | ~ ssList(sk8)
      | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
      | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ) ),
    inference(transitivity,[status(thm)],[164,162]) ).

tff(166,plain,
    ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
          ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
    | ~ ssItem(sk7)
    | ~ ssList(sk8)
    | ~ ssList(sk9)
    | ~ ssItem(sk7)
    | ~ ssList(nil)
    | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
    | lt(sk7,sk7)
    | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(167,plain,
    ( ~ ! [W: $i,V: $i,Y: $i,U: $i,X: $i] :
          ( ~ ssItem(X)
          | ~ ssList(U)
          | ~ ssList(Y)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ ssList(app(app(U,cons(V,W)),cons(X,Y)))
          | lt(V,X)
          | ~ strictorderedP(app(app(U,cons(V,W)),cons(X,Y))) )
    | ~ ssList(nil)
    | ~ ssList(sk9)
    | ~ ssItem(sk7)
    | lt(sk7,sk7)
    | ~ ssList(sk8)
    | ~ ssList(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9)))
    | ~ strictorderedP(app(app(sk8,cons(sk7,nil)),cons(sk7,sk9))) ),
    inference(modus_ponens,[status(thm)],[166,165]) ).

tff(168,plain,
    $false,
    inference(unit_resolution,[status(thm)],[167,22,161,49,29,56,144,123,117]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem    : SWC167-1 : TPTP v9.0.0. Released v2.4.0.
% 0.03/0.12  % Command    : run_E %s %d THM
% 0.12/0.33  % Computer : n009.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    : 300
% 0.12/0.33  % DateTime   : Fri Jun 20 08:29:48 EDT 2025
% 0.12/0.33  % CPUTime    : 
% 0.93/1.10  % SZS status Unsatisfiable
% 0.93/1.10  % SZS output start Proof
% See solution above
% 0.93/1.12  % E exiting
%------------------------------------------------------------------------------