TSTP Solution File: SWC290-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC290-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n007.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 : Tue Sep 20 11:56:51 EDT 2022

% Result   : Unsatisfiable 159.79s 101.62s
% Output   : Proof 159.90s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :  113
% Syntax   : Number of formulae    :  260 (  78 unt;  15 typ;   0 def)
%            Number of atoms       : 1757 ( 281 equ)
%            Maximal formula atoms :   28 (   7 avg)
%            Number of connectives : 2718 (1293   ~;1281   |;   0   &)
%                                         ( 144 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of FOOLs       :   87 (  87 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  12   >;   4   *;   0   +;   0  <<)
%            Number of predicates  :   12 (   9 usr;   2 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;   3 con; 0-2 aty)
%            Number of variables   :  521 ( 478   !;   0   ?; 521   :)

% Comments : 
%------------------------------------------------------------------------------
tff(memberP_type,type,
    memberP: ( $i * $i ) > $o ).

tff(skaf70_type,type,
    skaf70: $i > $i ).

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

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

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

tff(skaf73_type,type,
    skaf73: $i > $i ).

tff(skaf72_type,type,
    skaf72: $i > $i ).

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

tff(skaf69_type,type,
    skaf69: $i > $i ).

tff(skaf71_type,type,
    skaf71: $i > $i ).

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

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

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

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

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

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

tff(2,plain,
    ( ~ strictorderedP(sk1)
  <=> ~ strictorderedP(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(3,axiom,
    ~ strictorderedP(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

tff(4,plain,
    ~ strictorderedP(sk1),
    inference(modus_ponens,[status(thm)],[3,2]) ).

tff(5,plain,
    ~ strictorderedP(sk3),
    inference(modus_ponens,[status(thm)],[4,1]) ).

tff(6,plain,
    ( ssList(sk1)
  <=> ssList(sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(7,plain,
    ( ssList(sk1)
  <=> ssList(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(8,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

tff(9,plain,
    ssList(sk1),
    inference(modus_ponens,[status(thm)],[8,7]) ).

tff(10,plain,
    ssList(sk3),
    inference(modus_ponens,[status(thm)],[9,6]) ).

tff(11,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      <=> ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(12,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) ),
    inference(quant_intro,[status(thm)],[11]) ).

tff(13,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(14,plain,
    ^ [U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ ssList(U)
              | strictorderedP(U) )
          <=> ( ~ ssList(U)
              | strictorderedP(U) ) )),
          ( ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
        <=> ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
        <=> ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) )),
        ( ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      <=> ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(15,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ) ),
    inference(quant_intro,[status(thm)],[14]) ).

tff(16,axiom,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause163) ).

tff(17,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[16,15]) ).

tff(18,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[17,13]) ).

tff(19,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ),
    inference(skolemize,[status(sab)],[18]) ).

tff(20,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[19,12]) ).

tff(21,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,plain,
    ( ( ~ ssList(sk3)
      | strictorderedP(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) )
  <=> ( strictorderedP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | ~ ssList(sk3)
      | strictorderedP(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ) ),
    inference(monotonicity,[status(thm)],[22]) ).

tff(24,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | ~ ssList(sk3)
      | strictorderedP(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ) ),
    inference(transitivity,[status(thm)],[23,21]) ).

tff(25,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
    | ~ ssList(sk3)
    | strictorderedP(sk3)
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(26,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | strictorderedP(U)
          | ( app(app(skaf71(U),cons(skaf69(U),skaf72(U))),cons(skaf70(U),skaf73(U))) = U ) )
    | strictorderedP(sk3)
    | ~ ssList(sk3)
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[25,24]) ).

tff(27,plain,
    app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = sk3,
    inference(unit_resolution,[status(thm)],[26,20,10,5]) ).

tff(28,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf73(U))
      <=> ssList(skaf73(U)) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [U: $i] : ssList(skaf73(U))
  <=> ! [U: $i] : ssList(skaf73(U)) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,plain,
    ( ! [U: $i] : ssList(skaf73(U))
  <=> ! [U: $i] : ssList(skaf73(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,axiom,
    ! [U: $i] : ssList(skaf73(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause22) ).

tff(32,plain,
    ! [U: $i] : ssList(skaf73(U)),
    inference(modus_ponens,[status(thm)],[31,30]) ).

tff(33,plain,
    ! [U: $i] : ssList(skaf73(U)),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [U: $i] : ssList(skaf73(U)),
    inference(modus_ponens,[status(thm)],[33,29]) ).

tff(35,plain,
    ( ~ ! [U: $i] : ssList(skaf73(U))
    | ssList(skaf73(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(36,plain,
    ssList(skaf73(sk3)),
    inference(unit_resolution,[status(thm)],[35,34]) ).

tff(37,plain,
    ^ [U: $i] :
      refl(
        ( ssItem(skaf70(U))
      <=> ssItem(skaf70(U)) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [U: $i] : ssItem(skaf70(U))
  <=> ! [U: $i] : ssItem(skaf70(U)) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [U: $i] : ssItem(skaf70(U))
  <=> ! [U: $i] : ssItem(skaf70(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,axiom,
    ! [U: $i] : ssItem(skaf70(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause25) ).

tff(41,plain,
    ! [U: $i] : ssItem(skaf70(U)),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ! [U: $i] : ssItem(skaf70(U)),
    inference(skolemize,[status(sab)],[41]) ).

tff(43,plain,
    ! [U: $i] : ssItem(skaf70(U)),
    inference(modus_ponens,[status(thm)],[42,38]) ).

tff(44,plain,
    ( ~ ! [U: $i] : ssItem(skaf70(U))
    | ssItem(skaf70(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(45,plain,
    ssItem(skaf70(sk3)),
    inference(unit_resolution,[status(thm)],[44,43]) ).

tff(46,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(47,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)],[46]) ).

tff(48,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(49,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(50,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)],[49]) ).

tff(51,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

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

tff(53,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[52,48]) ).

tff(54,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(skolemize,[status(sab)],[53]) ).

tff(55,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[54,47]) ).

tff(56,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ssList(cons(skaf70(sk3),skaf73(sk3))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ssList(cons(skaf70(sk3),skaf73(sk3))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(57,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf70(sk3))
    | ~ ssList(skaf73(sk3))
    | ssList(cons(skaf70(sk3),skaf73(sk3))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(58,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf70(sk3))
    | ~ ssList(skaf73(sk3))
    | ssList(cons(skaf70(sk3),skaf73(sk3))) ),
    inference(modus_ponens,[status(thm)],[57,56]) ).

tff(59,plain,
    ( ~ ssItem(skaf70(sk3))
    | ~ ssList(skaf73(sk3))
    | ssList(cons(skaf70(sk3),skaf73(sk3))) ),
    inference(unit_resolution,[status(thm)],[58,55]) ).

tff(60,plain,
    ssList(cons(skaf70(sk3),skaf73(sk3))),
    inference(unit_resolution,[status(thm)],[59,45,36]) ).

tff(61,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf71(U))
      <=> ssList(skaf71(U)) )),
    inference(bind,[status(th)],]) ).

tff(62,plain,
    ( ! [U: $i] : ssList(skaf71(U))
  <=> ! [U: $i] : ssList(skaf71(U)) ),
    inference(quant_intro,[status(thm)],[61]) ).

tff(63,plain,
    ( ! [U: $i] : ssList(skaf71(U))
  <=> ! [U: $i] : ssList(skaf71(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(64,axiom,
    ! [U: $i] : ssList(skaf71(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause24) ).

tff(65,plain,
    ! [U: $i] : ssList(skaf71(U)),
    inference(modus_ponens,[status(thm)],[64,63]) ).

tff(66,plain,
    ! [U: $i] : ssList(skaf71(U)),
    inference(skolemize,[status(sab)],[65]) ).

tff(67,plain,
    ! [U: $i] : ssList(skaf71(U)),
    inference(modus_ponens,[status(thm)],[66,62]) ).

tff(68,plain,
    ( ~ ! [U: $i] : ssList(skaf71(U))
    | ssList(skaf71(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(69,plain,
    ssList(skaf71(sk3)),
    inference(unit_resolution,[status(thm)],[68,67]) ).

tff(70,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf72(U))
      <=> ssList(skaf72(U)) )),
    inference(bind,[status(th)],]) ).

tff(71,plain,
    ( ! [U: $i] : ssList(skaf72(U))
  <=> ! [U: $i] : ssList(skaf72(U)) ),
    inference(quant_intro,[status(thm)],[70]) ).

tff(72,plain,
    ( ! [U: $i] : ssList(skaf72(U))
  <=> ! [U: $i] : ssList(skaf72(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(73,axiom,
    ! [U: $i] : ssList(skaf72(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause23) ).

tff(74,plain,
    ! [U: $i] : ssList(skaf72(U)),
    inference(modus_ponens,[status(thm)],[73,72]) ).

tff(75,plain,
    ! [U: $i] : ssList(skaf72(U)),
    inference(skolemize,[status(sab)],[74]) ).

tff(76,plain,
    ! [U: $i] : ssList(skaf72(U)),
    inference(modus_ponens,[status(thm)],[75,71]) ).

tff(77,plain,
    ( ~ ! [U: $i] : ssList(skaf72(U))
    | ssList(skaf72(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(78,plain,
    ssList(skaf72(sk3)),
    inference(unit_resolution,[status(thm)],[77,76]) ).

tff(79,plain,
    ^ [U: $i] :
      refl(
        ( ssItem(skaf69(U))
      <=> ssItem(skaf69(U)) )),
    inference(bind,[status(th)],]) ).

tff(80,plain,
    ( ! [U: $i] : ssItem(skaf69(U))
  <=> ! [U: $i] : ssItem(skaf69(U)) ),
    inference(quant_intro,[status(thm)],[79]) ).

tff(81,plain,
    ( ! [U: $i] : ssItem(skaf69(U))
  <=> ! [U: $i] : ssItem(skaf69(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(82,axiom,
    ! [U: $i] : ssItem(skaf69(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause26) ).

tff(83,plain,
    ! [U: $i] : ssItem(skaf69(U)),
    inference(modus_ponens,[status(thm)],[82,81]) ).

tff(84,plain,
    ! [U: $i] : ssItem(skaf69(U)),
    inference(skolemize,[status(sab)],[83]) ).

tff(85,plain,
    ! [U: $i] : ssItem(skaf69(U)),
    inference(modus_ponens,[status(thm)],[84,80]) ).

tff(86,plain,
    ( ~ ! [U: $i] : ssItem(skaf69(U))
    | ssItem(skaf69(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(87,plain,
    ssItem(skaf69(sk3)),
    inference(unit_resolution,[status(thm)],[86,85]) ).

tff(88,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(skaf72(sk3))
      | ssList(cons(skaf69(sk3),skaf72(sk3))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(skaf72(sk3))
      | ssList(cons(skaf69(sk3),skaf72(sk3))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(89,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ssList(cons(skaf69(sk3),skaf72(sk3))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(90,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ssList(cons(skaf69(sk3),skaf72(sk3))) ),
    inference(modus_ponens,[status(thm)],[89,88]) ).

tff(91,plain,
    ( ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ssList(cons(skaf69(sk3),skaf72(sk3))) ),
    inference(unit_resolution,[status(thm)],[90,55]) ).

tff(92,plain,
    ssList(cons(skaf69(sk3),skaf72(sk3))),
    inference(unit_resolution,[status(thm)],[91,87,78]) ).

tff(93,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(94,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)],[93]) ).

tff(95,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(96,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(97,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)],[96]) ).

tff(98,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(99,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)],[98,97]) ).

tff(100,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)],[99,95]) ).

tff(101,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)],[100]) ).

tff(102,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)],[101,94]) ).

tff(103,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(104,plain,
    ( ( ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ssList(skaf71(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(105,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(monotonicity,[status(thm)],[104]) ).

tff(106,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(transitivity,[status(thm)],[105,103]) ).

tff(107,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
    | ~ ssList(skaf71(sk3))
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(108,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(skaf71(sk3))
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(modus_ponens,[status(thm)],[107,106]) ).

tff(109,plain,
    ( ~ ssList(skaf71(sk3))
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ~ ssList(cons(skaf69(sk3),skaf72(sk3)))
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(unit_resolution,[status(thm)],[108,102]) ).

tff(110,plain,
    app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))),
    inference(unit_resolution,[status(thm)],[109,92,69,60]) ).

tff(111,plain,
    app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))) = app(app(skaf71(sk3),cons(skaf69(sk3),skaf72(sk3))),cons(skaf70(sk3),skaf73(sk3))),
    inference(symmetry,[status(thm)],[110]) ).

tff(112,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(113,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)],[112]) ).

tff(114,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(115,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(116,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)],[115]) ).

tff(117,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(118,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[117,116]) ).

tff(119,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[118,114]) ).

tff(120,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(skolemize,[status(sab)],[119]) ).

tff(121,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[120,113]) ).

tff(122,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(skaf72(sk3))
      | ( app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(skaf72(sk3))
      | ( app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(123,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ( app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(124,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ( app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)) ) ),
    inference(modus_ponens,[status(thm)],[123,122]) ).

tff(125,plain,
    ( ~ ssItem(skaf69(sk3))
    | ~ ssList(skaf72(sk3))
    | ( app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)) ) ),
    inference(unit_resolution,[status(thm)],[124,121]) ).

tff(126,plain,
    app(cons(skaf69(sk3),nil),skaf72(sk3)) = cons(skaf69(sk3),skaf72(sk3)),
    inference(unit_resolution,[status(thm)],[125,87,78]) ).

tff(127,plain,
    app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))),
    inference(monotonicity,[status(thm)],[126]) ).

tff(128,plain,
    ( ssList(nil)
  <=> ssList(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(129,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

tff(130,plain,
    ssList(nil),
    inference(modus_ponens,[status(thm)],[129,128]) ).

tff(131,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ssList(cons(skaf69(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ssList(cons(skaf69(sk3),nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(132,plain,
    ( ( ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf69(sk3),nil)) )
  <=> ( ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ssList(cons(skaf69(sk3),nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(133,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf69(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ssList(cons(skaf69(sk3),nil)) ) ),
    inference(monotonicity,[status(thm)],[132]) ).

tff(134,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf69(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ssList(cons(skaf69(sk3),nil)) ) ),
    inference(transitivity,[status(thm)],[133,131]) ).

tff(135,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(nil)
    | ssList(cons(skaf69(sk3),nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(136,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssList(nil)
    | ~ ssItem(skaf69(sk3))
    | ssList(cons(skaf69(sk3),nil)) ),
    inference(modus_ponens,[status(thm)],[135,134]) ).

tff(137,plain,
    ssList(cons(skaf69(sk3),nil)),
    inference(unit_resolution,[status(thm)],[136,130,55,87]) ).

tff(138,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(139,plain,
    ( ( ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(140,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(monotonicity,[status(thm)],[139]) ).

tff(141,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ~ ssList(cons(skaf69(sk3),nil))
      | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ) ),
    inference(transitivity,[status(thm)],[140,138]) ).

tff(142,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ~ ssList(skaf72(sk3))
    | ~ ssList(cons(skaf69(sk3),nil))
    | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(143,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(skaf72(sk3))
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ~ ssList(cons(skaf69(sk3),nil))
    | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(modus_ponens,[status(thm)],[142,141]) ).

tff(144,plain,
    ( ~ ssList(cons(skaf69(sk3),nil))
    | ( app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(unit_resolution,[status(thm)],[143,102,78,60]) ).

tff(145,plain,
    app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))),
    inference(unit_resolution,[status(thm)],[144,137]) ).

tff(146,plain,
    app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(app(cons(skaf69(sk3),nil),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))),
    inference(symmetry,[status(thm)],[145]) ).

tff(147,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(148,plain,
    ( ( ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) )
  <=> ( ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(149,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ) ),
    inference(monotonicity,[status(thm)],[148]) ).

tff(150,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf69(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf69(sk3))
      | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ) ),
    inference(transitivity,[status(thm)],[149,147]) ).

tff(151,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf69(sk3))
    | ~ ssList(nil)
    | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(152,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssList(nil)
    | ~ ssItem(skaf69(sk3))
    | ( app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil) ) ),
    inference(modus_ponens,[status(thm)],[151,150]) ).

tff(153,plain,
    app(cons(skaf69(sk3),nil),nil) = cons(skaf69(sk3),nil),
    inference(unit_resolution,[status(thm)],[152,130,121,87]) ).

tff(154,plain,
    app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(cons(skaf69(sk3),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))),
    inference(monotonicity,[status(thm)],[153]) ).

tff(155,plain,
    app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3))),
    inference(transitivity,[status(thm)],[154,146,127]) ).

tff(156,plain,
    app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) = app(skaf71(sk3),app(cons(skaf69(sk3),skaf72(sk3)),cons(skaf70(sk3),skaf73(sk3)))),
    inference(monotonicity,[status(thm)],[155]) ).

tff(157,plain,
    ( ssList(app(cons(skaf69(sk3),nil),nil))
  <=> ssList(cons(skaf69(sk3),nil)) ),
    inference(monotonicity,[status(thm)],[153]) ).

tff(158,plain,
    ( ssList(cons(skaf69(sk3),nil))
  <=> ssList(app(cons(skaf69(sk3),nil),nil)) ),
    inference(symmetry,[status(thm)],[157]) ).

tff(159,plain,
    ssList(app(cons(skaf69(sk3),nil),nil)),
    inference(modus_ponens,[status(thm)],[137,158]) ).

tff(160,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(161,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)],[160]) ).

tff(162,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(163,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(164,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)],[163]) ).

tff(165,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(166,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[165,164]) ).

tff(167,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[166,162]) ).

tff(168,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[167]) ).

tff(169,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[168,161]) ).

tff(170,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(171,plain,
    ( ( ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3)) )
  <=> ( ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(172,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(monotonicity,[status(thm)],[171]) ).

tff(173,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf72(sk3))
      | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
      | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ) ),
    inference(transitivity,[status(thm)],[172,170]) ).

tff(174,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ ssList(skaf72(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(175,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(skaf72(sk3))
    | ~ ssList(cons(skaf70(sk3),skaf73(sk3)))
    | ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) ),
    inference(modus_ponens,[status(thm)],[174,173]) ).

tff(176,plain,
    ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))),
    inference(unit_resolution,[status(thm)],[175,169,78,60]) ).

tff(177,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(178,plain,
    ( ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) )
  <=> ( ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(179,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ) ),
    inference(monotonicity,[status(thm)],[178]) ).

tff(180,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(app(cons(skaf69(sk3),nil),nil))
      | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ) ),
    inference(transitivity,[status(thm)],[179,177]) ).

tff(181,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ ssList(app(cons(skaf69(sk3),nil),nil))
    | ~ ssList(skaf71(sk3))
    | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(182,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(skaf71(sk3))
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ ssList(app(cons(skaf69(sk3),nil),nil))
    | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ),
    inference(modus_ponens,[status(thm)],[181,180]) ).

tff(183,plain,
    ( ~ ssList(app(cons(skaf69(sk3),nil),nil))
    | ( app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))) ) ),
    inference(unit_resolution,[status(thm)],[182,102,69,176]) ).

tff(184,plain,
    app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(skaf71(sk3),app(app(cons(skaf69(sk3),nil),nil),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))),
    inference(unit_resolution,[status(thm)],[183,159]) ).

tff(185,plain,
    app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)) = app(skaf71(sk3),cons(skaf69(sk3),nil)),
    inference(monotonicity,[status(thm)],[153]) ).

tff(186,plain,
    app(skaf71(sk3),cons(skaf69(sk3),nil)) = app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),
    inference(symmetry,[status(thm)],[185]) ).

tff(187,plain,
    app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = app(app(skaf71(sk3),app(cons(skaf69(sk3),nil),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))),
    inference(monotonicity,[status(thm)],[186]) ).

tff(188,plain,
    app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) = sk3,
    inference(transitivity,[status(thm)],[187,184,156,111,27]) ).

tff(189,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | strictorderedP(U)
          | ~ lt(skaf69(U),skaf70(U)) )
      <=> ( ~ ssList(U)
          | strictorderedP(U)
          | ~ lt(skaf69(U),skaf70(U)) ) )),
    inference(bind,[status(th)],]) ).

tff(190,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ~ lt(skaf69(U),skaf70(U)) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ~ lt(skaf69(U),skaf70(U)) ) ),
    inference(quant_intro,[status(thm)],[189]) ).

tff(191,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ~ lt(skaf69(U),skaf70(U)) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ~ lt(skaf69(U),skaf70(U)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(192,plain,
    ^ [U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ lt(skaf69(U),skaf70(U))
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ lt(skaf69(U),skaf70(U)) ) )),
          ( ( ~ lt(skaf69(U),skaf70(U))
            | ~ ssList(U)
            | strictorderedP(U) )
        <=> ( ~ ssList(U)
            | ~ lt(skaf69(U),skaf70(U))
            | strictorderedP(U) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ lt(skaf69(U),skaf70(U))
            | strictorderedP(U) )
        <=> ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) ) )),
        ( ( ~ lt(skaf69(U),skaf70(U))
          | ~ ssList(U)
          | strictorderedP(U) )
      <=> ( ~ ssList(U)
          | strictorderedP(U)
          | ~ lt(skaf69(U),skaf70(U)) ) )),
    inference(bind,[status(th)],]) ).

tff(193,plain,
    ( ! [U: $i] :
        ( ~ lt(skaf69(U),skaf70(U))
        | ~ ssList(U)
        | strictorderedP(U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | strictorderedP(U)
        | ~ lt(skaf69(U),skaf70(U)) ) ),
    inference(quant_intro,[status(thm)],[192]) ).

tff(194,axiom,
    ! [U: $i] :
      ( ~ lt(skaf69(U),skaf70(U))
      | ~ ssList(U)
      | strictorderedP(U) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause90) ).

tff(195,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ~ lt(skaf69(U),skaf70(U)) ),
    inference(modus_ponens,[status(thm)],[194,193]) ).

tff(196,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ~ lt(skaf69(U),skaf70(U)) ),
    inference(modus_ponens,[status(thm)],[195,191]) ).

tff(197,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ~ lt(skaf69(U),skaf70(U)) ),
    inference(skolemize,[status(sab)],[196]) ).

tff(198,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | strictorderedP(U)
      | ~ lt(skaf69(U),skaf70(U)) ),
    inference(modus_ponens,[status(thm)],[197,190]) ).

tff(199,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(200,plain,
    ( ( ~ ssList(sk3)
      | strictorderedP(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) )
  <=> ( strictorderedP(sk3)
      | ~ ssList(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(201,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | ~ ssList(sk3)
      | strictorderedP(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) ) ),
    inference(monotonicity,[status(thm)],[200]) ).

tff(202,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | ~ ssList(sk3)
      | strictorderedP(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | strictorderedP(U)
            | ~ lt(skaf69(U),skaf70(U)) )
      | strictorderedP(sk3)
      | ~ ssList(sk3)
      | ~ lt(skaf69(sk3),skaf70(sk3)) ) ),
    inference(transitivity,[status(thm)],[201,199]) ).

tff(203,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | strictorderedP(U)
          | ~ lt(skaf69(U),skaf70(U)) )
    | ~ ssList(sk3)
    | strictorderedP(sk3)
    | ~ lt(skaf69(sk3),skaf70(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(204,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | strictorderedP(U)
          | ~ lt(skaf69(U),skaf70(U)) )
    | strictorderedP(sk3)
    | ~ ssList(sk3)
    | ~ lt(skaf69(sk3),skaf70(sk3)) ),
    inference(modus_ponens,[status(thm)],[203,202]) ).

tff(205,plain,
    ~ lt(skaf69(sk3),skaf70(sk3)),
    inference(unit_resolution,[status(thm)],[204,198,10,5]) ).

tff(206,plain,
    ^ [B: $i,D: $i,A: $i,C: $i] :
      refl(
        ( ( ~ ssList(C)
          | ~ ssItem(A)
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D)
          | ~ ssList(B)
          | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      <=> ( ~ ssList(C)
          | ~ ssItem(A)
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D)
          | ~ ssList(B)
          | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
    inference(bind,[status(th)],]) ).

tff(207,plain,
    ( ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssList(C)
        | ~ ssItem(A)
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D)
        | ~ ssList(B)
        | ( app(app(B,cons(A,nil)),C) != sk3 ) )
  <=> ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssList(C)
        | ~ ssItem(A)
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D)
        | ~ ssList(B)
        | ( app(app(B,cons(A,nil)),C) != sk3 ) ) ),
    inference(quant_intro,[status(thm)],[206]) ).

tff(208,plain,
    ( ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssList(C)
        | ~ ssItem(A)
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D)
        | ~ ssList(B)
        | ( app(app(B,cons(A,nil)),C) != sk3 ) )
  <=> ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssList(C)
        | ~ ssItem(A)
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D)
        | ~ ssList(B)
        | ( app(app(B,cons(A,nil)),C) != sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(209,plain,
    ^ [B: $i,D: $i,A: $i,C: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  trans(
                    monotonicity(
                      rewrite(
                        ( ( ~ ssItem(A)
                          | ~ ssList(B)
                          | ~ ssList(C) )
                      <=> ( ~ ssList(C)
                          | ~ ssItem(A)
                          | ~ ssList(B) ) )),
                      ( ( ~ ssItem(A)
                        | ~ ssList(B)
                        | ~ ssList(C)
                        | ( app(app(B,cons(A,nil)),C) != sk3 ) )
                    <=> ( ~ ssList(C)
                        | ~ ssItem(A)
                        | ~ ssList(B)
                        | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
                    rewrite(
                      ( ( ~ ssList(C)
                        | ~ ssItem(A)
                        | ~ ssList(B)
                        | ( app(app(B,cons(A,nil)),C) != sk3 ) )
                    <=> ( ~ ssList(C)
                        | ~ ssItem(A)
                        | ~ ssList(B)
                        | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
                    ( ( ~ ssItem(A)
                      | ~ ssList(B)
                      | ~ ssList(C)
                      | ( app(app(B,cons(A,nil)),C) != sk3 ) )
                  <=> ( ~ ssList(C)
                      | ~ ssItem(A)
                      | ~ ssList(B)
                      | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
                  ( ( ~ ssItem(A)
                    | ~ ssList(B)
                    | ~ ssList(C)
                    | ( app(app(B,cons(A,nil)),C) != sk3 )
                    | ~ ssItem(D) )
                <=> ( ~ ssList(C)
                    | ~ ssItem(A)
                    | ~ ssList(B)
                    | ( app(app(B,cons(A,nil)),C) != sk3 )
                    | ~ ssItem(D) ) )),
                rewrite(
                  ( ( ~ ssList(C)
                    | ~ ssItem(A)
                    | ~ ssList(B)
                    | ( app(app(B,cons(A,nil)),C) != sk3 )
                    | ~ ssItem(D) )
                <=> ( ~ ssList(C)
                    | ~ ssItem(A)
                    | ~ ssItem(D)
                    | ~ ssList(B)
                    | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
                ( ( ~ ssItem(A)
                  | ~ ssList(B)
                  | ~ ssList(C)
                  | ( app(app(B,cons(A,nil)),C) != sk3 )
                  | ~ ssItem(D) )
              <=> ( ~ ssList(C)
                  | ~ ssItem(A)
                  | ~ ssItem(D)
                  | ~ ssList(B)
                  | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
              ( ( ~ ssItem(A)
                | ~ ssList(B)
                | ~ ssList(C)
                | ( app(app(B,cons(A,nil)),C) != sk3 )
                | ~ ssItem(D)
                | lt(A,D) )
            <=> ( ~ ssList(C)
                | ~ ssItem(A)
                | ~ ssItem(D)
                | ~ ssList(B)
                | ( app(app(B,cons(A,nil)),C) != sk3 )
                | lt(A,D) ) )),
            rewrite(
              ( ( ~ ssList(C)
                | ~ ssItem(A)
                | ~ ssItem(D)
                | ~ ssList(B)
                | ( app(app(B,cons(A,nil)),C) != sk3 )
                | lt(A,D) )
            <=> ( ~ ssList(C)
                | ~ ssItem(A)
                | ~ ssItem(D)
                | lt(A,D)
                | ~ ssList(B)
                | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
            ( ( ~ ssItem(A)
              | ~ ssList(B)
              | ~ ssList(C)
              | ( app(app(B,cons(A,nil)),C) != sk3 )
              | ~ ssItem(D)
              | lt(A,D) )
          <=> ( ~ ssList(C)
              | ~ ssItem(A)
              | ~ ssItem(D)
              | lt(A,D)
              | ~ ssList(B)
              | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
          ( ( ~ ssItem(A)
            | ~ ssList(B)
            | ~ ssList(C)
            | ( app(app(B,cons(A,nil)),C) != sk3 )
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D) )
        <=> ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 )
            | ~ memberP(C,D) ) )),
        rewrite(
          ( ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 )
            | ~ memberP(C,D) )
        <=> ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
        ( ( ~ ssItem(A)
          | ~ ssList(B)
          | ~ ssList(C)
          | ( app(app(B,cons(A,nil)),C) != sk3 )
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D) )
      <=> ( ~ ssList(C)
          | ~ ssItem(A)
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D)
          | ~ ssList(B)
          | ( app(app(B,cons(A,nil)),C) != sk3 ) ) )),
    inference(bind,[status(th)],]) ).

tff(210,plain,
    ( ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssItem(A)
        | ~ ssList(B)
        | ~ ssList(C)
        | ( app(app(B,cons(A,nil)),C) != sk3 )
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D) )
  <=> ! [B: $i,D: $i,A: $i,C: $i] :
        ( ~ ssList(C)
        | ~ ssItem(A)
        | ~ ssItem(D)
        | lt(A,D)
        | ~ memberP(C,D)
        | ~ ssList(B)
        | ( app(app(B,cons(A,nil)),C) != sk3 ) ) ),
    inference(quant_intro,[status(thm)],[209]) ).

tff(211,axiom,
    ! [B: $i,D: $i,A: $i,C: $i] :
      ( ~ ssItem(A)
      | ~ ssList(B)
      | ~ ssList(C)
      | ( app(app(B,cons(A,nil)),C) != sk3 )
      | ~ ssItem(D)
      | lt(A,D)
      | ~ memberP(C,D) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

tff(212,plain,
    ! [B: $i,D: $i,A: $i,C: $i] :
      ( ~ ssList(C)
      | ~ ssItem(A)
      | ~ ssItem(D)
      | lt(A,D)
      | ~ memberP(C,D)
      | ~ ssList(B)
      | ( app(app(B,cons(A,nil)),C) != sk3 ) ),
    inference(modus_ponens,[status(thm)],[211,210]) ).

tff(213,plain,
    ! [B: $i,D: $i,A: $i,C: $i] :
      ( ~ ssList(C)
      | ~ ssItem(A)
      | ~ ssItem(D)
      | lt(A,D)
      | ~ memberP(C,D)
      | ~ ssList(B)
      | ( app(app(B,cons(A,nil)),C) != sk3 ) ),
    inference(modus_ponens,[status(thm)],[212,208]) ).

tff(214,plain,
    ! [B: $i,D: $i,A: $i,C: $i] :
      ( ~ ssList(C)
      | ~ ssItem(A)
      | ~ ssItem(D)
      | lt(A,D)
      | ~ memberP(C,D)
      | ~ ssList(B)
      | ( app(app(B,cons(A,nil)),C) != sk3 ) ),
    inference(skolemize,[status(sab)],[213]) ).

tff(215,plain,
    ! [B: $i,D: $i,A: $i,C: $i] :
      ( ~ ssList(C)
      | ~ ssItem(A)
      | ~ ssItem(D)
      | lt(A,D)
      | ~ memberP(C,D)
      | ~ ssList(B)
      | ( app(app(B,cons(A,nil)),C) != sk3 ) ),
    inference(modus_ponens,[status(thm)],[214,207]) ).

tff(216,plain,
    ( ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) )
  <=> ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(217,plain,
    ( ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) )
  <=> ( lt(skaf69(sk3),skaf70(sk3))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(218,plain,
    ( ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) )
  <=> ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ) ),
    inference(monotonicity,[status(thm)],[217]) ).

tff(219,plain,
    ( ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) )
  <=> ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
            ( ~ ssList(C)
            | ~ ssItem(A)
            | ~ ssItem(D)
            | lt(A,D)
            | ~ memberP(C,D)
            | ~ ssList(B)
            | ( app(app(B,cons(A,nil)),C) != sk3 ) )
      | lt(skaf69(sk3),skaf70(sk3))
      | ~ ssItem(skaf69(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf71(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ) ),
    inference(transitivity,[status(thm)],[218,216]) ).

tff(220,plain,
    ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
          ( ~ ssList(C)
          | ~ ssItem(A)
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D)
          | ~ ssList(B)
          | ( app(app(B,cons(A,nil)),C) != sk3 ) )
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ ssItem(skaf69(sk3))
    | ~ ssItem(skaf70(sk3))
    | lt(skaf69(sk3),skaf70(sk3))
    | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
    | ~ ssList(skaf71(sk3))
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(221,plain,
    ( ~ ! [B: $i,D: $i,A: $i,C: $i] :
          ( ~ ssList(C)
          | ~ ssItem(A)
          | ~ ssItem(D)
          | lt(A,D)
          | ~ memberP(C,D)
          | ~ ssList(B)
          | ( app(app(B,cons(A,nil)),C) != sk3 ) )
    | lt(skaf69(sk3),skaf70(sk3))
    | ~ ssItem(skaf69(sk3))
    | ~ ssItem(skaf70(sk3))
    | ~ ssList(skaf71(sk3))
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
    | ( app(app(skaf71(sk3),cons(skaf69(sk3),nil)),app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3)))) != sk3 ) ),
    inference(modus_ponens,[status(thm)],[220,219]) ).

tff(222,plain,
    ~ memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)),
    inference(unit_resolution,[status(thm)],[221,215,205,87,45,69,176,188]) ).

tff(223,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      refl(
        ( ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(X,V)
          | ~ ssList(W)
          | ( app(U,cons(V,W)) != X ) )
      <=> ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(X,V)
          | ~ ssList(W)
          | ( app(U,cons(V,W)) != X ) ) )),
    inference(bind,[status(th)],]) ).

tff(224,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(X,V)
        | ~ ssList(W)
        | ( app(U,cons(V,W)) != X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(X,V)
        | ~ ssList(W)
        | ( app(U,cons(V,W)) != X ) ) ),
    inference(quant_intro,[status(thm)],[223]) ).

tff(225,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(X,V)
        | ~ ssList(W)
        | ( app(U,cons(V,W)) != X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(X,V)
        | ~ ssList(W)
        | ( app(U,cons(V,W)) != X ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(226,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  trans(
                    monotonicity(
                      rewrite(
                        ( ( ( app(U,cons(V,W)) != X )
                          | ~ ssList(W) )
                      <=> ( ~ ssList(W)
                          | ( app(U,cons(V,W)) != X ) ) )),
                      ( ( ( app(U,cons(V,W)) != X )
                        | ~ ssList(W)
                        | ~ ssList(U) )
                    <=> ( ~ ssList(W)
                        | ( app(U,cons(V,W)) != X )
                        | ~ ssList(U) ) )),
                    rewrite(
                      ( ( ~ ssList(W)
                        | ( app(U,cons(V,W)) != X )
                        | ~ ssList(U) )
                    <=> ( ~ ssList(U)
                        | ~ ssList(W)
                        | ( app(U,cons(V,W)) != X ) ) )),
                    ( ( ( app(U,cons(V,W)) != X )
                      | ~ ssList(W)
                      | ~ ssList(U) )
                  <=> ( ~ ssList(U)
                      | ~ ssList(W)
                      | ( app(U,cons(V,W)) != X ) ) )),
                  ( ( ( app(U,cons(V,W)) != X )
                    | ~ ssList(W)
                    | ~ ssList(U)
                    | ~ ssItem(V) )
                <=> ( ~ ssList(U)
                    | ~ ssList(W)
                    | ( app(U,cons(V,W)) != X )
                    | ~ ssItem(V) ) )),
                rewrite(
                  ( ( ~ ssList(U)
                    | ~ ssList(W)
                    | ( app(U,cons(V,W)) != X )
                    | ~ ssItem(V) )
                <=> ( ~ ssList(U)
                    | ~ ssItem(V)
                    | ~ ssList(W)
                    | ( app(U,cons(V,W)) != X ) ) )),
                ( ( ( app(U,cons(V,W)) != X )
                  | ~ ssList(W)
                  | ~ ssList(U)
                  | ~ ssItem(V) )
              <=> ( ~ ssList(U)
                  | ~ ssItem(V)
                  | ~ ssList(W)
                  | ( app(U,cons(V,W)) != X ) ) )),
              ( ( ( app(U,cons(V,W)) != X )
                | ~ ssList(W)
                | ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(X) )
            <=> ( ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(W)
                | ( app(U,cons(V,W)) != X )
                | ~ ssList(X) ) )),
            rewrite(
              ( ( ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(W)
                | ( app(U,cons(V,W)) != X )
                | ~ ssList(X) )
            <=> ( ~ ssList(X)
                | ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(W)
                | ( app(U,cons(V,W)) != X ) ) )),
            ( ( ( app(U,cons(V,W)) != X )
              | ~ ssList(W)
              | ~ ssList(U)
              | ~ ssItem(V)
              | ~ ssList(X) )
          <=> ( ~ ssList(X)
              | ~ ssList(U)
              | ~ ssItem(V)
              | ~ ssList(W)
              | ( app(U,cons(V,W)) != X ) ) )),
          ( ( ( app(U,cons(V,W)) != X )
            | ~ ssList(W)
            | ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(X)
            | memberP(X,V) )
        <=> ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X )
            | memberP(X,V) ) )),
        rewrite(
          ( ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X )
            | memberP(X,V) )
        <=> ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) ) )),
        ( ( ( app(U,cons(V,W)) != X )
          | ~ ssList(W)
          | ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(X)
          | memberP(X,V) )
      <=> ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(X,V)
          | ~ ssList(W)
          | ( app(U,cons(V,W)) != X ) ) )),
    inference(bind,[status(th)],]) ).

tff(227,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( app(U,cons(V,W)) != X )
        | ~ ssList(W)
        | ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(X)
        | memberP(X,V) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(X,V)
        | ~ ssList(W)
        | ( app(U,cons(V,W)) != X ) ) ),
    inference(quant_intro,[status(thm)],[226]) ).

tff(228,axiom,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( app(U,cons(V,W)) != X )
      | ~ ssList(W)
      | ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(X)
      | memberP(X,V) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause175) ).

tff(229,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssItem(V)
      | memberP(X,V)
      | ~ ssList(W)
      | ( app(U,cons(V,W)) != X ) ),
    inference(modus_ponens,[status(thm)],[228,227]) ).

tff(230,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssItem(V)
      | memberP(X,V)
      | ~ ssList(W)
      | ( app(U,cons(V,W)) != X ) ),
    inference(modus_ponens,[status(thm)],[229,225]) ).

tff(231,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssItem(V)
      | memberP(X,V)
      | ~ ssList(W)
      | ( app(U,cons(V,W)) != X ) ),
    inference(skolemize,[status(sab)],[230]) ).

tff(232,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssItem(V)
      | memberP(X,V)
      | ~ ssList(W)
      | ( app(U,cons(V,W)) != X ) ),
    inference(modus_ponens,[status(thm)],[231,224]) ).

tff(233,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(234,plain,
    ( ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | $false )
  <=> ( ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(235,plain,
    ( ~ $true
  <=> $false ),
    inference(rewrite,[status(thm)],]) ).

tff(236,plain,
    ( ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) = app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) )
  <=> $true ),
    inference(rewrite,[status(thm)],]) ).

tff(237,plain,
    ( ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) )
  <=> ~ $true ),
    inference(monotonicity,[status(thm)],[236]) ).

tff(238,plain,
    ( ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) )
  <=> $false ),
    inference(transitivity,[status(thm)],[237,235]) ).

tff(239,plain,
    ( ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) ) )
  <=> ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | $false ) ),
    inference(monotonicity,[status(thm)],[238]) ).

tff(240,plain,
    ( ( ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) ) )
  <=> ( ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ) ),
    inference(transitivity,[status(thm)],[239,234]) ).

tff(241,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ) ),
    inference(monotonicity,[status(thm)],[240]) ).

tff(242,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(X,V)
            | ~ ssList(W)
            | ( app(U,cons(V,W)) != X ) )
      | ~ ssList(skaf72(sk3))
      | ~ ssItem(skaf70(sk3))
      | ~ ssList(skaf73(sk3))
      | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
      | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ) ),
    inference(transitivity,[status(thm)],[241,233]) ).

tff(243,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(X,V)
          | ~ ssList(W)
          | ( app(U,cons(V,W)) != X ) )
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | ~ ssList(skaf72(sk3))
    | ~ ssItem(skaf70(sk3))
    | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3))
    | ~ ssList(skaf73(sk3))
    | ( app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) != app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(244,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(X,V)
          | ~ ssList(W)
          | ( app(U,cons(V,W)) != X ) )
    | ~ ssList(skaf72(sk3))
    | ~ ssItem(skaf70(sk3))
    | ~ ssList(skaf73(sk3))
    | ~ ssList(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))))
    | memberP(app(skaf72(sk3),cons(skaf70(sk3),skaf73(sk3))),skaf70(sk3)) ),
    inference(modus_ponens,[status(thm)],[243,242]) ).

tff(245,plain,
    $false,
    inference(unit_resolution,[status(thm)],[244,232,78,45,36,176,222]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWC290-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.14  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.14/0.35  % Computer : n007.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Sat Sep  3 23:20:49 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.14/0.35  Usage: tptp [options] [-file:]file
% 0.14/0.35    -h, -?       prints this message.
% 0.14/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.14/0.35    -m, -model   generate model.
% 0.14/0.35    -p, -proof   generate proof.
% 0.14/0.35    -c, -core    generate unsat core of named formulas.
% 0.14/0.35    -st, -statistics display statistics.
% 0.14/0.35    -t:timeout   set timeout (in second).
% 0.14/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.14/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.14/0.35    -<param>:<value> configuration parameter and value.
% 0.14/0.35    -o:<output-file> file to place output in.
% 159.79/101.62  % SZS status Unsatisfiable
% 159.79/101.62  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------