TSTP Solution File: SWC180-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC180-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n012.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep 20 11:55:54 EDT 2022

% Result   : Unsatisfiable 198.51s 127.86s
% Output   : Proof 198.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :  107
% Syntax   : Number of formulae    :  247 (  72 unt;  14 typ;   0 def)
%            Number of atoms       : 1665 ( 281 equ)
%            Maximal formula atoms :   27 (   7 avg)
%            Number of connectives : 2602 (1250   ~;1217   |;   0   &)
%                                         ( 135 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of FOOLs       :   80 (  80 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   15 (  11   >;   4   *;   0   +;   0  <<)
%            Number of predicates  :   12 (   9 usr;   2 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   3 con; 0-2 aty)
%            Number of variables   :  507 ( 465   !;   0   ?; 507   :)

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

tff(skaf74_type,type,
    skaf74: $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(skaf77_type,type,
    skaf77: $i > $i ).

tff(skaf76_type,type,
    skaf76: $i > $i ).

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

tff(skaf75_type,type,
    skaf75: $i > $i ).

tff(duplicatefreeP_type,type,
    duplicatefreeP: $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,
    ( ~ duplicatefreeP(sk1)
  <=> ~ duplicatefreeP(sk3) ),
    inference(rewrite,[status(thm)],]) ).

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

tff(3,axiom,
    ~ duplicatefreeP(sk1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_9) ).

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

tff(5,plain,
    ~ duplicatefreeP(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/sandbox2/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)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      <=> ( ~ ssList(U)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(12,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) ),
    inference(quant_intro,[status(thm)],[11]) ).

tff(13,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(14,plain,
    ^ [U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ ssList(U)
              | duplicatefreeP(U) )
          <=> ( ~ ssList(U)
              | duplicatefreeP(U) ) )),
          ( ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
        <=> ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
        <=> ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) )),
        ( ( ~ ssList(U)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      <=> ( ~ ssList(U)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(15,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | duplicatefreeP(U)
        | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ) ),
    inference(quant_intro,[status(thm)],[14]) ).

tff(16,axiom,
    ! [U: $i] :
      ( ~ ssList(U)
      | duplicatefreeP(U)
      | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause162) ).

tff(17,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | duplicatefreeP(U)
      | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[16,15]) ).

tff(18,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | duplicatefreeP(U)
      | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[17,13]) ).

tff(19,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | duplicatefreeP(U)
      | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ),
    inference(skolemize,[status(sab)],[18]) ).

tff(20,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | duplicatefreeP(U)
      | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) ),
    inference(modus_ponens,[status(thm)],[19,12]) ).

tff(21,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | duplicatefreeP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | duplicatefreeP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,plain,
    ( ( ~ ssList(sk3)
      | duplicatefreeP(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) )
  <=> ( duplicatefreeP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | ~ ssList(sk3)
      | duplicatefreeP(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | duplicatefreeP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ) ),
    inference(monotonicity,[status(thm)],[22]) ).

tff(24,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | ~ ssList(sk3)
      | duplicatefreeP(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | duplicatefreeP(U)
            | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
      | duplicatefreeP(sk3)
      | ~ ssList(sk3)
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ) ),
    inference(transitivity,[status(thm)],[23,21]) ).

tff(25,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
    | ~ ssList(sk3)
    | duplicatefreeP(sk3)
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(26,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | duplicatefreeP(U)
          | ( app(app(skaf75(U),cons(skaf74(U),skaf76(U))),cons(skaf74(U),skaf77(U))) = U ) )
    | duplicatefreeP(sk3)
    | ~ ssList(sk3)
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[25,24]) ).

tff(27,plain,
    app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = sk3,
    inference(unit_resolution,[status(thm)],[26,20,10,5]) ).

tff(28,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf77(U))
      <=> ssList(skaf77(U)) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [U: $i] : ssList(skaf77(U))
  <=> ! [U: $i] : ssList(skaf77(U)) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,plain,
    ( ! [U: $i] : ssList(skaf77(U))
  <=> ! [U: $i] : ssList(skaf77(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,axiom,
    ! [U: $i] : ssList(skaf77(U)),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause18) ).

tff(32,plain,
    ! [U: $i] : ssList(skaf77(U)),
    inference(modus_ponens,[status(thm)],[31,30]) ).

tff(33,plain,
    ! [U: $i] : ssList(skaf77(U)),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [U: $i] : ssList(skaf77(U)),
    inference(modus_ponens,[status(thm)],[33,29]) ).

tff(35,plain,
    ( ~ ! [U: $i] : ssList(skaf77(U))
    | ssList(skaf77(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(36,plain,
    ssList(skaf77(sk3)),
    inference(unit_resolution,[status(thm)],[35,34]) ).

tff(37,plain,
    ^ [U: $i] :
      refl(
        ( ssItem(skaf74(U))
      <=> ssItem(skaf74(U)) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [U: $i] : ssItem(skaf74(U))
  <=> ! [U: $i] : ssItem(skaf74(U)) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [U: $i] : ssItem(skaf74(U))
  <=> ! [U: $i] : ssItem(skaf74(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,axiom,
    ! [U: $i] : ssItem(skaf74(U)),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause21) ).

tff(41,plain,
    ! [U: $i] : ssItem(skaf74(U)),
    inference(modus_ponens,[status(thm)],[40,39]) ).

tff(42,plain,
    ! [U: $i] : ssItem(skaf74(U)),
    inference(skolemize,[status(sab)],[41]) ).

tff(43,plain,
    ! [U: $i] : ssItem(skaf74(U)),
    inference(modus_ponens,[status(thm)],[42,38]) ).

tff(44,plain,
    ( ~ ! [U: $i] : ssItem(skaf74(U))
    | ssItem(skaf74(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(45,plain,
    ssItem(skaf74(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/sandbox2/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(skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ssList(cons(skaf74(sk3),skaf77(sk3))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ssList(cons(skaf74(sk3),skaf77(sk3))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(57,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf77(sk3))
    | ssList(cons(skaf74(sk3),skaf77(sk3))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(58,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf77(sk3))
    | ssList(cons(skaf74(sk3),skaf77(sk3))) ),
    inference(modus_ponens,[status(thm)],[57,56]) ).

tff(59,plain,
    ( ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf77(sk3))
    | ssList(cons(skaf74(sk3),skaf77(sk3))) ),
    inference(unit_resolution,[status(thm)],[58,55]) ).

tff(60,plain,
    ssList(cons(skaf74(sk3),skaf77(sk3))),
    inference(unit_resolution,[status(thm)],[59,45,36]) ).

tff(61,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf75(U))
      <=> ssList(skaf75(U)) )),
    inference(bind,[status(th)],]) ).

tff(62,plain,
    ( ! [U: $i] : ssList(skaf75(U))
  <=> ! [U: $i] : ssList(skaf75(U)) ),
    inference(quant_intro,[status(thm)],[61]) ).

tff(63,plain,
    ( ! [U: $i] : ssList(skaf75(U))
  <=> ! [U: $i] : ssList(skaf75(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(64,axiom,
    ! [U: $i] : ssList(skaf75(U)),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause20) ).

tff(65,plain,
    ! [U: $i] : ssList(skaf75(U)),
    inference(modus_ponens,[status(thm)],[64,63]) ).

tff(66,plain,
    ! [U: $i] : ssList(skaf75(U)),
    inference(skolemize,[status(sab)],[65]) ).

tff(67,plain,
    ! [U: $i] : ssList(skaf75(U)),
    inference(modus_ponens,[status(thm)],[66,62]) ).

tff(68,plain,
    ( ~ ! [U: $i] : ssList(skaf75(U))
    | ssList(skaf75(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(69,plain,
    ssList(skaf75(sk3)),
    inference(unit_resolution,[status(thm)],[68,67]) ).

tff(70,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf76(U))
      <=> ssList(skaf76(U)) )),
    inference(bind,[status(th)],]) ).

tff(71,plain,
    ( ! [U: $i] : ssList(skaf76(U))
  <=> ! [U: $i] : ssList(skaf76(U)) ),
    inference(quant_intro,[status(thm)],[70]) ).

tff(72,plain,
    ( ! [U: $i] : ssList(skaf76(U))
  <=> ! [U: $i] : ssList(skaf76(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(73,axiom,
    ! [U: $i] : ssList(skaf76(U)),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause19) ).

tff(74,plain,
    ! [U: $i] : ssList(skaf76(U)),
    inference(modus_ponens,[status(thm)],[73,72]) ).

tff(75,plain,
    ! [U: $i] : ssList(skaf76(U)),
    inference(skolemize,[status(sab)],[74]) ).

tff(76,plain,
    ! [U: $i] : ssList(skaf76(U)),
    inference(modus_ponens,[status(thm)],[75,71]) ).

tff(77,plain,
    ( ~ ! [U: $i] : ssList(skaf76(U))
    | ssList(skaf76(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(78,plain,
    ssList(skaf76(sk3)),
    inference(unit_resolution,[status(thm)],[77,76]) ).

tff(79,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ssList(cons(skaf74(sk3),skaf76(sk3))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ssList(cons(skaf74(sk3),skaf76(sk3))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(80,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ssList(cons(skaf74(sk3),skaf76(sk3))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(81,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ssList(cons(skaf74(sk3),skaf76(sk3))) ),
    inference(modus_ponens,[status(thm)],[80,79]) ).

tff(82,plain,
    ( ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ssList(cons(skaf74(sk3),skaf76(sk3))) ),
    inference(unit_resolution,[status(thm)],[81,55]) ).

tff(83,plain,
    ssList(cons(skaf74(sk3),skaf76(sk3))),
    inference(unit_resolution,[status(thm)],[82,78,45]) ).

tff(84,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(85,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)],[84]) ).

tff(86,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(87,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(88,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)],[87]) ).

tff(89,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/sandbox2/benchmark/Axioms/SWC001-0.ax',clause149) ).

tff(90,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)],[89,88]) ).

tff(91,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)],[90,86]) ).

tff(92,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)],[91]) ).

tff(93,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)],[92,85]) ).

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)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(95,plain,
    ( ( ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ssList(skaf75(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(96,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(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(monotonicity,[status(thm)],[95]) ).

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)) ) )
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(transitivity,[status(thm)],[96,94]) ).

tff(98,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(skaf74(sk3),skaf77(sk3)))
    | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
    | ~ ssList(skaf75(sk3))
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

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)) ) )
    | ~ ssList(skaf75(sk3))
    | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
    | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(modus_ponens,[status(thm)],[98,97]) ).

tff(100,plain,
    ( ~ ssList(skaf75(sk3))
    | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
    | ~ ssList(cons(skaf74(sk3),skaf76(sk3)))
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(unit_resolution,[status(thm)],[99,93]) ).

tff(101,plain,
    app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))),
    inference(unit_resolution,[status(thm)],[100,83,69,60]) ).

tff(102,plain,
    app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))) = app(app(skaf75(sk3),cons(skaf74(sk3),skaf76(sk3))),cons(skaf74(sk3),skaf77(sk3))),
    inference(symmetry,[status(thm)],[101]) ).

tff(103,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(104,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)],[103]) ).

tff(105,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(106,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(107,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)],[106]) ).

tff(108,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause120) ).

tff(109,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[108,107]) ).

tff(110,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[109,105]) ).

tff(111,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(skolemize,[status(sab)],[110]) ).

tff(112,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[111,104]) ).

tff(113,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ( app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ( app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(114,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ( app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(115,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ( app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)) ) ),
    inference(modus_ponens,[status(thm)],[114,113]) ).

tff(116,plain,
    ( ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ( app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)) ) ),
    inference(unit_resolution,[status(thm)],[115,112]) ).

tff(117,plain,
    app(cons(skaf74(sk3),nil),skaf76(sk3)) = cons(skaf74(sk3),skaf76(sk3)),
    inference(unit_resolution,[status(thm)],[116,78,45]) ).

tff(118,plain,
    app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))),
    inference(monotonicity,[status(thm)],[117]) ).

tff(119,plain,
    ( ssList(nil)
  <=> ssList(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(120,axiom,
    ssList(nil),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause8) ).

tff(121,plain,
    ssList(nil),
    inference(modus_ponens,[status(thm)],[120,119]) ).

tff(122,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ssList(cons(skaf74(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ssList(cons(skaf74(sk3),nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(123,plain,
    ( ( ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf74(sk3),nil)) )
  <=> ( ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ssList(cons(skaf74(sk3),nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(124,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf74(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ssList(cons(skaf74(sk3),nil)) ) ),
    inference(monotonicity,[status(thm)],[123]) ).

tff(125,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ssList(cons(skaf74(sk3),nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ssList(cons(skaf74(sk3),nil)) ) ),
    inference(transitivity,[status(thm)],[124,122]) ).

tff(126,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(nil)
    | ssList(cons(skaf74(sk3),nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(127,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssList(nil)
    | ~ ssItem(skaf74(sk3))
    | ssList(cons(skaf74(sk3),nil)) ),
    inference(modus_ponens,[status(thm)],[126,125]) ).

tff(128,plain,
    ssList(cons(skaf74(sk3),nil)),
    inference(unit_resolution,[status(thm)],[127,121,55,45]) ).

tff(129,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(130,plain,
    ( ( ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(131,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(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(monotonicity,[status(thm)],[130]) ).

tff(132,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(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ~ ssList(cons(skaf74(sk3),nil))
      | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ) ),
    inference(transitivity,[status(thm)],[131,129]) ).

tff(133,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(skaf74(sk3),skaf77(sk3)))
    | ~ ssList(skaf76(sk3))
    | ~ ssList(cons(skaf74(sk3),nil))
    | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(134,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(skaf76(sk3))
    | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
    | ~ ssList(cons(skaf74(sk3),nil))
    | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(modus_ponens,[status(thm)],[133,132]) ).

tff(135,plain,
    ( ~ ssList(cons(skaf74(sk3),nil))
    | ( app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(unit_resolution,[status(thm)],[134,93,78,60]) ).

tff(136,plain,
    app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))),
    inference(unit_resolution,[status(thm)],[135,128]) ).

tff(137,plain,
    app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(app(cons(skaf74(sk3),nil),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))),
    inference(symmetry,[status(thm)],[136]) ).

tff(138,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(139,plain,
    ( ( ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) )
  <=> ( ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(140,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ) ),
    inference(monotonicity,[status(thm)],[139]) ).

tff(141,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(nil)
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssList(nil)
      | ~ ssItem(skaf74(sk3))
      | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ) ),
    inference(transitivity,[status(thm)],[140,138]) ).

tff(142,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(nil)
    | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(143,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssList(nil)
    | ~ ssItem(skaf74(sk3))
    | ( app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil) ) ),
    inference(modus_ponens,[status(thm)],[142,141]) ).

tff(144,plain,
    app(cons(skaf74(sk3),nil),nil) = cons(skaf74(sk3),nil),
    inference(unit_resolution,[status(thm)],[143,121,112,45]) ).

tff(145,plain,
    app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(cons(skaf74(sk3),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))),
    inference(monotonicity,[status(thm)],[144]) ).

tff(146,plain,
    app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3))),
    inference(transitivity,[status(thm)],[145,137,118]) ).

tff(147,plain,
    app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) = app(skaf75(sk3),app(cons(skaf74(sk3),skaf76(sk3)),cons(skaf74(sk3),skaf77(sk3)))),
    inference(monotonicity,[status(thm)],[146]) ).

tff(148,plain,
    ( ssList(app(cons(skaf74(sk3),nil),nil))
  <=> ssList(cons(skaf74(sk3),nil)) ),
    inference(monotonicity,[status(thm)],[144]) ).

tff(149,plain,
    ( ssList(cons(skaf74(sk3),nil))
  <=> ssList(app(cons(skaf74(sk3),nil),nil)) ),
    inference(symmetry,[status(thm)],[148]) ).

tff(150,plain,
    ssList(app(cons(skaf74(sk3),nil),nil)),
    inference(modus_ponens,[status(thm)],[128,149]) ).

tff(151,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(152,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)],[151]) ).

tff(153,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(154,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(155,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)],[154]) ).

tff(156,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(157,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[156,155]) ).

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

tff(159,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[158]) ).

tff(160,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[159,152]) ).

tff(161,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(162,plain,
    ( ( ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3)) )
  <=> ( ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(163,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(monotonicity,[status(thm)],[162]) ).

tff(164,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(skaf76(sk3))
      | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
      | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ) ),
    inference(transitivity,[status(thm)],[163,161]) ).

tff(165,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
    | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ ssList(skaf76(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(166,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(skaf76(sk3))
    | ~ ssList(cons(skaf74(sk3),skaf77(sk3)))
    | ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) ),
    inference(modus_ponens,[status(thm)],[165,164]) ).

tff(167,plain,
    ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))),
    inference(unit_resolution,[status(thm)],[166,160,78,60]) ).

tff(168,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(169,plain,
    ( ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) )
  <=> ( ~ ssList(skaf75(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(170,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(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ) ),
    inference(monotonicity,[status(thm)],[169]) ).

tff(171,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(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(skaf75(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(app(cons(skaf74(sk3),nil),nil))
      | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ) ),
    inference(transitivity,[status(thm)],[170,168]) ).

tff(172,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(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ ssList(app(cons(skaf74(sk3),nil),nil))
    | ~ ssList(skaf75(sk3))
    | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(173,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(skaf75(sk3))
    | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ ssList(app(cons(skaf74(sk3),nil),nil))
    | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ),
    inference(modus_ponens,[status(thm)],[172,171]) ).

tff(174,plain,
    ( ~ ssList(app(cons(skaf74(sk3),nil),nil))
    | ( app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))) ) ),
    inference(unit_resolution,[status(thm)],[173,93,69,167]) ).

tff(175,plain,
    app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(skaf75(sk3),app(app(cons(skaf74(sk3),nil),nil),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))),
    inference(unit_resolution,[status(thm)],[174,150]) ).

tff(176,plain,
    app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)) = app(skaf75(sk3),cons(skaf74(sk3),nil)),
    inference(monotonicity,[status(thm)],[144]) ).

tff(177,plain,
    app(skaf75(sk3),cons(skaf74(sk3),nil)) = app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),
    inference(symmetry,[status(thm)],[176]) ).

tff(178,plain,
    app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = app(app(skaf75(sk3),app(cons(skaf74(sk3),nil),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))),
    inference(monotonicity,[status(thm)],[177]) ).

tff(179,plain,
    app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) = sk3,
    inference(transitivity,[status(thm)],[178,175,147,102,27]) ).

tff(180,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ lt(U,U) )
      <=> ( ~ ssItem(U)
          | ~ lt(U,U) ) )),
    inference(bind,[status(th)],]) ).

tff(181,plain,
    ( ! [U: $i] :
        ( ~ ssItem(U)
        | ~ lt(U,U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ lt(U,U) ) ),
    inference(quant_intro,[status(thm)],[180]) ).

tff(182,plain,
    ( ! [U: $i] :
        ( ~ ssItem(U)
        | ~ lt(U,U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ lt(U,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(183,plain,
    ^ [U: $i] :
      rewrite(
        ( ( ~ lt(U,U)
          | ~ ssItem(U) )
      <=> ( ~ ssItem(U)
          | ~ lt(U,U) ) )),
    inference(bind,[status(th)],]) ).

tff(184,plain,
    ( ! [U: $i] :
        ( ~ lt(U,U)
        | ~ ssItem(U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ lt(U,U) ) ),
    inference(quant_intro,[status(thm)],[183]) ).

tff(185,axiom,
    ! [U: $i] :
      ( ~ lt(U,U)
      | ~ ssItem(U) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause63) ).

tff(186,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ lt(U,U) ),
    inference(modus_ponens,[status(thm)],[185,184]) ).

tff(187,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ lt(U,U) ),
    inference(modus_ponens,[status(thm)],[186,182]) ).

tff(188,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ lt(U,U) ),
    inference(skolemize,[status(sab)],[187]) ).

tff(189,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ lt(U,U) ),
    inference(modus_ponens,[status(thm)],[188,181]) ).

tff(190,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssItem(U)
            | ~ lt(U,U) )
      | ~ ssItem(skaf74(sk3))
      | ~ lt(skaf74(sk3),skaf74(sk3)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssItem(U)
            | ~ lt(U,U) )
      | ~ ssItem(skaf74(sk3))
      | ~ lt(skaf74(sk3),skaf74(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(191,plain,
    ( ~ ! [U: $i] :
          ( ~ ssItem(U)
          | ~ lt(U,U) )
    | ~ ssItem(skaf74(sk3))
    | ~ lt(skaf74(sk3),skaf74(sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(192,plain,
    ( ~ ! [U: $i] :
          ( ~ ssItem(U)
          | ~ lt(U,U) )
    | ~ ssItem(skaf74(sk3))
    | ~ lt(skaf74(sk3),skaf74(sk3)) ),
    inference(modus_ponens,[status(thm)],[191,190]) ).

tff(193,plain,
    ~ lt(skaf74(sk3),skaf74(sk3)),
    inference(unit_resolution,[status(thm)],[192,189,45]) ).

tff(194,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(195,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)],[194]) ).

tff(196,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(197,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(198,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)],[197]) ).

tff(199,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/sandbox2/benchmark/theBenchmark.p',co1_7) ).

tff(200,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)],[199,198]) ).

tff(201,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)],[200,196]) ).

tff(202,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)],[201]) ).

tff(203,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)],[202,195]) ).

tff(204,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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(205,plain,
    ( ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssItem(skaf74(sk3))
      | ~ ssItem(skaf74(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) )
  <=> ( ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(206,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(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssItem(skaf74(sk3))
      | ~ ssItem(skaf74(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ) ),
    inference(monotonicity,[status(thm)],[205]) ).

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 ) )
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssItem(skaf74(sk3))
      | ~ ssItem(skaf74(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf75(sk3))
      | lt(skaf74(sk3),skaf74(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ) ),
    inference(transitivity,[status(thm)],[206,204]) ).

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 ) )
    | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ ssItem(skaf74(sk3))
    | ~ ssItem(skaf74(sk3))
    | lt(skaf74(sk3),skaf74(sk3))
    | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
    | ~ ssList(skaf75(sk3))
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(209,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 ) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf75(sk3))
    | lt(skaf74(sk3),skaf74(sk3))
    | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
    | ( app(app(skaf75(sk3),cons(skaf74(sk3),nil)),app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3)))) != sk3 ) ),
    inference(modus_ponens,[status(thm)],[208,207]) ).

tff(210,plain,
    ~ memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)),
    inference(unit_resolution,[status(thm)],[209,203,45,69,193,167,179]) ).

tff(211,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(212,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)],[211]) ).

tff(213,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(214,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(215,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)],[214]) ).

tff(216,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/sandbox2/benchmark/Axioms/SWC001-0.ax',clause175) ).

tff(217,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)],[216,215]) ).

tff(218,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)],[217,213]) ).

tff(219,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)],[218]) ).

tff(220,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)],[219,212]) ).

tff(221,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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(222,plain,
    ( ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | $false )
  <=> ( ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(223,plain,
    ( ~ $true
  <=> $false ),
    inference(rewrite,[status(thm)],]) ).

tff(224,plain,
    ( ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) = app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) )
  <=> $true ),
    inference(rewrite,[status(thm)],]) ).

tff(225,plain,
    ( ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) )
  <=> ~ $true ),
    inference(monotonicity,[status(thm)],[224]) ).

tff(226,plain,
    ( ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) )
  <=> $false ),
    inference(transitivity,[status(thm)],[225,223]) ).

tff(227,plain,
    ( ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) ) )
  <=> ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | $false ) ),
    inference(monotonicity,[status(thm)],[226]) ).

tff(228,plain,
    ( ( ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) ) )
  <=> ( ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ) ),
    inference(transitivity,[status(thm)],[227,222]) ).

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 ) )
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ) ),
    inference(monotonicity,[status(thm)],[228]) ).

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 ) )
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | ~ ssList(skaf76(sk3))
      | ~ ssItem(skaf74(sk3))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
      | ~ ssList(skaf77(sk3))
      | ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(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 ) )
      | ~ ssItem(skaf74(sk3))
      | ~ ssList(skaf76(sk3))
      | ~ ssList(skaf77(sk3))
      | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
      | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ) ),
    inference(transitivity,[status(thm)],[229,221]) ).

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 ) )
    | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | ~ ssList(skaf76(sk3))
    | ~ ssItem(skaf74(sk3))
    | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3))
    | ~ ssList(skaf77(sk3))
    | ( app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) != app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))) ) ),
    inference(quant_inst,[status(thm)],]) ).

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 ) )
    | ~ ssItem(skaf74(sk3))
    | ~ ssList(skaf76(sk3))
    | ~ ssList(skaf77(sk3))
    | ~ ssList(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))))
    | memberP(app(skaf76(sk3),cons(skaf74(sk3),skaf77(sk3))),skaf74(sk3)) ),
    inference(modus_ponens,[status(thm)],[231,230]) ).

tff(233,plain,
    $false,
    inference(unit_resolution,[status(thm)],[232,220,45,78,36,167,210]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SWC180-1 : TPTP v8.1.0. Released v2.4.0.
% 0.11/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n012.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Sat Sep  3 22:16:18 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 198.51/127.86  % SZS status Unsatisfiable
% 198.51/127.86  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------