TSTP Solution File: SWC188-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC188-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n023.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 11:55:59 EDT 2022

% Result   : Unsatisfiable 16.09s 10.27s
% Output   : Proof 16.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :  163
% Syntax   : Number of formulae    :  369 ( 100 unt;  19 typ;   0 def)
%            Number of atoms       : 2395 ( 597 equ)
%            Maximal formula atoms :   24 (   6 avg)
%            Number of connectives : 3650 (1746   ~;1700   |;   0   &)
%                                         ( 204 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   5 avg)
%            Maximal term depth    :    6 (   1 avg)
%            Number of FOOLs       :  141 ( 141 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  11   >;   5   *;   0   +;   0  <<)
%            Number of predicates  :   12 (  10 usr;   1 prp; 0-3 aty)
%            Number of functors    :   13 (  13 usr;   8 con; 0-2 aty)
%            Number of variables   :  664 ( 599   !;   0   ?; 664   :)

% Comments : 
%------------------------------------------------------------------------------
tff(nil_type,type,
    nil: $i ).

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

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

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

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

tff(skaf82_type,type,
    skaf82: $i > $i ).

tff(sk5_type,type,
    sk5: $i ).

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

tff(tl_type,type,
    tl: $i > $i ).

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

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

tff(frontsegP_type,type,
    frontsegP: ( $i * $i ) > $o ).

tff(segmentP_type,type,
    segmentP: ( $i * $i ) > $o ).

tff(singletonP_type,type,
    singletonP: $i > $o ).

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

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

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

tff(skaf83_type,type,
    skaf83: $i > $i ).

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

tff(1,plain,
    ( ( nil = cons(sk6,nil) )
  <=> ( cons(sk6,nil) = nil ) ),
    inference(commutativity,[status(thm)],]) ).

tff(2,plain,
    ( ( cons(sk6,nil) = nil )
  <=> ( nil = cons(sk6,nil) ) ),
    inference(symmetry,[status(thm)],[1]) ).

tff(3,plain,
    ( ( cons(sk6,nil) != nil )
  <=> ( nil != cons(sk6,nil) ) ),
    inference(monotonicity,[status(thm)],[2]) ).

tff(4,plain,
    ( ssItem(sk6)
  <=> ssItem(sk6) ),
    inference(rewrite,[status(thm)],]) ).

tff(5,axiom,
    ssItem(sk6),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

tff(6,plain,
    ssItem(sk6),
    inference(modus_ponens,[status(thm)],[5,4]) ).

tff(7,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) ) )),
    inference(bind,[status(th)],]) ).

tff(8,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) ) ),
    inference(quant_intro,[status(thm)],[7]) ).

tff(9,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | singletonP(V)
        | ( cons(U,nil) != V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(10,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ( cons(U,nil) != V )
                  | ~ ssItem(U) )
              <=> ( ~ ssItem(U)
                  | ( cons(U,nil) != V ) ) )),
              ( ( ( cons(U,nil) != V )
                | ~ ssItem(U)
                | ~ ssList(V) )
            <=> ( ~ ssItem(U)
                | ( cons(U,nil) != V )
                | ~ ssList(V) ) )),
            rewrite(
              ( ( ~ ssItem(U)
                | ( cons(U,nil) != V )
                | ~ ssList(V) )
            <=> ( ~ ssItem(U)
                | ~ ssList(V)
                | ( cons(U,nil) != V ) ) )),
            ( ( ( cons(U,nil) != V )
              | ~ ssItem(U)
              | ~ ssList(V) )
          <=> ( ~ ssItem(U)
              | ~ ssList(V)
              | ( cons(U,nil) != V ) ) )),
          ( ( ( cons(U,nil) != V )
            | ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V) )
        <=> ( ~ ssItem(U)
            | ~ ssList(V)
            | ( cons(U,nil) != V )
            | singletonP(V) ) )),
        rewrite(
          ( ( ~ ssItem(U)
            | ~ ssList(V)
            | ( cons(U,nil) != V )
            | singletonP(V) )
        <=> ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) ) )),
        ( ( ( cons(U,nil) != V )
          | ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) ) )),
    inference(bind,[status(th)],]) ).

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

tff(12,axiom,
    ! [V: $i,U: $i] :
      ( ( cons(U,nil) != V )
      | ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause116) ).

tff(13,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[13,9]) ).

tff(15,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | singletonP(V)
      | ( cons(U,nil) != V ) ),
    inference(modus_ponens,[status(thm)],[15,8]) ).

tff(17,plain,
    ( ~ singletonP(nil)
  <=> ~ singletonP(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    ~ singletonP(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause11) ).

tff(19,plain,
    ~ singletonP(nil),
    inference(modus_ponens,[status(thm)],[18,17]) ).

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

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

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

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

tff(24,plain,
    ( ( ~ ssItem(sk6)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk6,nil) != nil ) )
  <=> ( singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk6)
      | ( cons(sk6,nil) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(25,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk6)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk6,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk6)
      | ( cons(sk6,nil) != nil ) ) ),
    inference(monotonicity,[status(thm)],[24]) ).

tff(26,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk6)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk6,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk6)
      | ( cons(sk6,nil) != nil ) ) ),
    inference(transitivity,[status(thm)],[25,23]) ).

tff(27,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | ~ ssItem(sk6)
    | ~ ssList(nil)
    | singletonP(nil)
    | ( cons(sk6,nil) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(28,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | singletonP(nil)
    | ~ ssList(nil)
    | ~ ssItem(sk6)
    | ( cons(sk6,nil) != nil ) ),
    inference(modus_ponens,[status(thm)],[27,26]) ).

tff(29,plain,
    cons(sk6,nil) != nil,
    inference(unit_resolution,[status(thm)],[28,22,19,16,6]) ).

tff(30,plain,
    nil != cons(sk6,nil),
    inference(modus_ponens,[status(thm)],[29,3]) ).

tff(31,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(32,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)],[31]) ).

tff(33,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(34,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(35,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)],[34]) ).

tff(36,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause86) ).

tff(37,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[36,35]) ).

tff(38,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[37,33]) ).

tff(39,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(skolemize,[status(sab)],[38]) ).

tff(40,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ssList(cons(U,V)) ),
    inference(modus_ponens,[status(thm)],[39,32]) ).

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

tff(42,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk6)
    | ~ ssList(nil)
    | ssList(cons(sk6,nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk6)
    | ~ ssList(nil)
    | ssList(cons(sk6,nil)) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    ssList(cons(sk6,nil)),
    inference(unit_resolution,[status(thm)],[43,22,40,6]) ).

tff(45,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ( nil = U )
          | ~ segmentP(nil,U) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ~ segmentP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(46,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ segmentP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ segmentP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[45]) ).

tff(47,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ segmentP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ segmentP(nil,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(48,plain,
    ^ [U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ segmentP(nil,U)
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ segmentP(nil,U) ) )),
          ( ( ~ segmentP(nil,U)
            | ~ ssList(U)
            | ( nil = U ) )
        <=> ( ~ ssList(U)
            | ~ segmentP(nil,U)
            | ( nil = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ segmentP(nil,U)
            | ( nil = U ) )
        <=> ( ~ ssList(U)
            | ( nil = U )
            | ~ segmentP(nil,U) ) )),
        ( ( ~ segmentP(nil,U)
          | ~ ssList(U)
          | ( nil = U ) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ~ segmentP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(49,plain,
    ( ! [U: $i] :
        ( ~ segmentP(nil,U)
        | ~ ssList(U)
        | ( nil = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ~ segmentP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[48]) ).

tff(50,axiom,
    ! [U: $i] :
      ( ~ segmentP(nil,U)
      | ~ ssList(U)
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause80) ).

tff(51,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ segmentP(nil,U) ),
    inference(modus_ponens,[status(thm)],[50,49]) ).

tff(52,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ segmentP(nil,U) ),
    inference(modus_ponens,[status(thm)],[51,47]) ).

tff(53,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ segmentP(nil,U) ),
    inference(skolemize,[status(sab)],[52]) ).

tff(54,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ~ segmentP(nil,U) ),
    inference(modus_ponens,[status(thm)],[53,46]) ).

tff(55,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ segmentP(nil,U) )
      | ~ ssList(cons(sk6,nil))
      | ( nil = cons(sk6,nil) )
      | ~ segmentP(nil,cons(sk6,nil)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ~ segmentP(nil,U) )
      | ~ ssList(cons(sk6,nil))
      | ( nil = cons(sk6,nil) )
      | ~ segmentP(nil,cons(sk6,nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(56,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ~ segmentP(nil,U) )
    | ~ ssList(cons(sk6,nil))
    | ( nil = cons(sk6,nil) )
    | ~ segmentP(nil,cons(sk6,nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(57,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ~ segmentP(nil,U) )
    | ~ ssList(cons(sk6,nil))
    | ( nil = cons(sk6,nil) )
    | ~ segmentP(nil,cons(sk6,nil)) ),
    inference(modus_ponens,[status(thm)],[56,55]) ).

tff(58,plain,
    ~ segmentP(nil,cons(sk6,nil)),
    inference(unit_resolution,[status(thm)],[57,54,44,30]) ).

tff(59,plain,
    ( ssItem(sk5)
  <=> ssItem(sk5) ),
    inference(rewrite,[status(thm)],]) ).

tff(60,axiom,
    ssItem(sk5),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

tff(61,plain,
    ssItem(sk5),
    inference(modus_ponens,[status(thm)],[60,59]) ).

tff(62,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk5)
      | ~ ssList(nil)
      | ssList(cons(sk5,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ssList(cons(U,V)) )
      | ~ ssItem(sk5)
      | ~ ssList(nil)
      | ssList(cons(sk5,nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(63,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk5)
    | ~ ssList(nil)
    | ssList(cons(sk5,nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(64,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ssList(cons(U,V)) )
    | ~ ssItem(sk5)
    | ~ ssList(nil)
    | ssList(cons(sk5,nil)) ),
    inference(modus_ponens,[status(thm)],[63,62]) ).

tff(65,plain,
    ssList(cons(sk5,nil)),
    inference(unit_resolution,[status(thm)],[64,22,40,61]) ).

tff(66,plain,
    ( ssList(sk7)
  <=> ssList(sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(67,axiom,
    ssList(sk7),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_9) ).

tff(68,plain,
    ssList(sk7),
    inference(modus_ponens,[status(thm)],[67,66]) ).

tff(69,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(70,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)],[69]) ).

tff(71,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(72,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(73,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)],[72]) ).

tff(74,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(75,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[74,73]) ).

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

tff(77,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[76]) ).

tff(78,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[77,70]) ).

tff(79,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil))) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(80,plain,
    ( ( ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(sk7) )
  <=> ( ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(81,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(sk7) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil))) ) ),
    inference(monotonicity,[status(thm)],[80]) ).

tff(82,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(sk7) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ssList(app(sk7,cons(sk5,nil))) ) ),
    inference(transitivity,[status(thm)],[81,79]) ).

tff(83,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(cons(sk5,nil))
    | ssList(app(sk7,cons(sk5,nil)))
    | ~ ssList(sk7) ),
    inference(quant_inst,[status(thm)],]) ).

tff(84,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk7)
    | ~ ssList(cons(sk5,nil))
    | ssList(app(sk7,cons(sk5,nil))) ),
    inference(modus_ponens,[status(thm)],[83,82]) ).

tff(85,plain,
    ssList(app(sk7,cons(sk5,nil))),
    inference(unit_resolution,[status(thm)],[84,78,68,65]) ).

tff(86,plain,
    ( ssList(sk8)
  <=> ssList(sk8) ),
    inference(rewrite,[status(thm)],]) ).

tff(87,axiom,
    ssList(sk8),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_10) ).

tff(88,plain,
    ssList(sk8),
    inference(modus_ponens,[status(thm)],[87,86]) ).

tff(89,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      refl(
        ( ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssList(V)
          | segmentP(X,V)
          | ~ ssList(W)
          | ( app(app(U,V),W) != X ) )
      <=> ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssList(V)
          | segmentP(X,V)
          | ~ ssList(W)
          | ( app(app(U,V),W) != X ) ) )),
    inference(bind,[status(th)],]) ).

tff(90,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssList(V)
        | segmentP(X,V)
        | ~ ssList(W)
        | ( app(app(U,V),W) != X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssList(V)
        | segmentP(X,V)
        | ~ ssList(W)
        | ( app(app(U,V),W) != X ) ) ),
    inference(quant_intro,[status(thm)],[89]) ).

tff(91,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssList(V)
        | segmentP(X,V)
        | ~ ssList(W)
        | ( app(app(U,V),W) != X ) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssList(V)
        | segmentP(X,V)
        | ~ ssList(W)
        | ( app(app(U,V),W) != X ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(92,plain,
    ^ [W: $i,V: $i,U: $i,X: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  trans(
                    monotonicity(
                      rewrite(
                        ( ( ( app(app(U,V),W) != X )
                          | ~ ssList(W) )
                      <=> ( ~ ssList(W)
                          | ( app(app(U,V),W) != X ) ) )),
                      ( ( ( app(app(U,V),W) != X )
                        | ~ ssList(W)
                        | ~ ssList(U) )
                    <=> ( ~ ssList(W)
                        | ( app(app(U,V),W) != X )
                        | ~ ssList(U) ) )),
                    rewrite(
                      ( ( ~ ssList(W)
                        | ( app(app(U,V),W) != X )
                        | ~ ssList(U) )
                    <=> ( ~ ssList(U)
                        | ~ ssList(W)
                        | ( app(app(U,V),W) != X ) ) )),
                    ( ( ( app(app(U,V),W) != X )
                      | ~ ssList(W)
                      | ~ ssList(U) )
                  <=> ( ~ ssList(U)
                      | ~ ssList(W)
                      | ( app(app(U,V),W) != X ) ) )),
                  ( ( ( app(app(U,V),W) != X )
                    | ~ ssList(W)
                    | ~ ssList(U)
                    | ~ ssList(V) )
                <=> ( ~ ssList(U)
                    | ~ ssList(W)
                    | ( app(app(U,V),W) != X )
                    | ~ ssList(V) ) )),
                rewrite(
                  ( ( ~ ssList(U)
                    | ~ ssList(W)
                    | ( app(app(U,V),W) != X )
                    | ~ ssList(V) )
                <=> ( ~ ssList(U)
                    | ~ ssList(V)
                    | ~ ssList(W)
                    | ( app(app(U,V),W) != X ) ) )),
                ( ( ( app(app(U,V),W) != X )
                  | ~ ssList(W)
                  | ~ ssList(U)
                  | ~ ssList(V) )
              <=> ( ~ ssList(U)
                  | ~ ssList(V)
                  | ~ ssList(W)
                  | ( app(app(U,V),W) != X ) ) )),
              ( ( ( app(app(U,V),W) != X )
                | ~ ssList(W)
                | ~ ssList(U)
                | ~ ssList(V)
                | ~ ssList(X) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ~ ssList(W)
                | ( app(app(U,V),W) != X )
                | ~ ssList(X) ) )),
            rewrite(
              ( ( ~ ssList(U)
                | ~ ssList(V)
                | ~ ssList(W)
                | ( app(app(U,V),W) != X )
                | ~ ssList(X) )
            <=> ( ~ ssList(X)
                | ~ ssList(U)
                | ~ ssList(V)
                | ~ ssList(W)
                | ( app(app(U,V),W) != X ) ) )),
            ( ( ( app(app(U,V),W) != X )
              | ~ ssList(W)
              | ~ ssList(U)
              | ~ ssList(V)
              | ~ ssList(X) )
          <=> ( ~ ssList(X)
              | ~ ssList(U)
              | ~ ssList(V)
              | ~ ssList(W)
              | ( app(app(U,V),W) != X ) ) )),
          ( ( ( app(app(U,V),W) != X )
            | ~ ssList(W)
            | ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(X)
            | segmentP(X,V) )
        <=> ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X )
            | segmentP(X,V) ) )),
        rewrite(
          ( ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X )
            | segmentP(X,V) )
        <=> ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) ) )),
        ( ( ( app(app(U,V),W) != X )
          | ~ ssList(W)
          | ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(X)
          | segmentP(X,V) )
      <=> ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssList(V)
          | segmentP(X,V)
          | ~ ssList(W)
          | ( app(app(U,V),W) != X ) ) )),
    inference(bind,[status(th)],]) ).

tff(93,plain,
    ( ! [W: $i,V: $i,U: $i,X: $i] :
        ( ( app(app(U,V),W) != X )
        | ~ ssList(W)
        | ~ ssList(U)
        | ~ ssList(V)
        | ~ ssList(X)
        | segmentP(X,V) )
  <=> ! [W: $i,V: $i,U: $i,X: $i] :
        ( ~ ssList(X)
        | ~ ssList(U)
        | ~ ssList(V)
        | segmentP(X,V)
        | ~ ssList(W)
        | ( app(app(U,V),W) != X ) ) ),
    inference(quant_intro,[status(thm)],[92]) ).

tff(94,axiom,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ( app(app(U,V),W) != X )
      | ~ ssList(W)
      | ~ ssList(U)
      | ~ ssList(V)
      | ~ ssList(X)
      | segmentP(X,V) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause173) ).

tff(95,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssList(V)
      | segmentP(X,V)
      | ~ ssList(W)
      | ( app(app(U,V),W) != X ) ),
    inference(modus_ponens,[status(thm)],[94,93]) ).

tff(96,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssList(V)
      | segmentP(X,V)
      | ~ ssList(W)
      | ( app(app(U,V),W) != X ) ),
    inference(modus_ponens,[status(thm)],[95,91]) ).

tff(97,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssList(V)
      | segmentP(X,V)
      | ~ ssList(W)
      | ( app(app(U,V),W) != X ) ),
    inference(skolemize,[status(sab)],[96]) ).

tff(98,plain,
    ! [W: $i,V: $i,U: $i,X: $i] :
      ( ~ ssList(X)
      | ~ ssList(U)
      | ~ ssList(V)
      | segmentP(X,V)
      | ~ ssList(W)
      | ( app(app(U,V),W) != X ) ),
    inference(modus_ponens,[status(thm)],[97,90]) ).

tff(99,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
      | segmentP(nil,cons(sk6,nil)) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
      | segmentP(nil,cons(sk6,nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(100,plain,
    ( ( ~ ssList(nil)
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(cons(sk6,nil))
      | segmentP(nil,cons(sk6,nil))
      | ~ ssList(sk8)
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil ) )
  <=> ( ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
      | segmentP(nil,cons(sk6,nil)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(101,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(cons(sk6,nil))
      | segmentP(nil,cons(sk6,nil))
      | ~ ssList(sk8)
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
      | segmentP(nil,cons(sk6,nil)) ) ),
    inference(monotonicity,[status(thm)],[100]) ).

tff(102,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ~ ssList(cons(sk6,nil))
      | segmentP(nil,cons(sk6,nil))
      | ~ ssList(sk8)
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
            ( ~ ssList(X)
            | ~ ssList(U)
            | ~ ssList(V)
            | segmentP(X,V)
            | ~ ssList(W)
            | ( app(app(U,V),W) != X ) )
      | ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
      | segmentP(nil,cons(sk6,nil)) ) ),
    inference(transitivity,[status(thm)],[101,99]) ).

tff(103,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssList(V)
          | segmentP(X,V)
          | ~ ssList(W)
          | ( app(app(U,V),W) != X ) )
    | ~ ssList(nil)
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ~ ssList(cons(sk6,nil))
    | segmentP(nil,cons(sk6,nil))
    | ~ ssList(sk8)
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(104,plain,
    ( ~ ! [W: $i,V: $i,U: $i,X: $i] :
          ( ~ ssList(X)
          | ~ ssList(U)
          | ~ ssList(V)
          | segmentP(X,V)
          | ~ ssList(W)
          | ( app(app(U,V),W) != X ) )
    | ~ ssList(nil)
    | ~ ssList(sk8)
    | ~ ssList(cons(sk6,nil))
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil )
    | segmentP(nil,cons(sk6,nil)) ),
    inference(modus_ponens,[status(thm)],[103,102]) ).

tff(105,plain,
    app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) != nil,
    inference(unit_resolution,[status(thm)],[104,22,98,88,44,85,58]) ).

tff(106,plain,
    ( ssList(sk3)
  <=> ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ),
    inference(rewrite,[status(thm)],]) ).

tff(107,plain,
    ( ssList(sk1)
  <=> ssList(sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(108,plain,
    ( ssList(sk1)
  <=> ssList(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(109,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

tff(110,plain,
    ssList(sk1),
    inference(modus_ponens,[status(thm)],[109,108]) ).

tff(111,plain,
    ssList(sk3),
    inference(modus_ponens,[status(thm)],[110,107]) ).

tff(112,plain,
    ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)),
    inference(modus_ponens,[status(thm)],[111,106]) ).

tff(113,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | frontsegP(U,nil) )
      <=> ( ~ ssList(U)
          | frontsegP(U,nil) ) )),
    inference(bind,[status(th)],]) ).

tff(114,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | frontsegP(U,nil) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | frontsegP(U,nil) ) ),
    inference(quant_intro,[status(thm)],[113]) ).

tff(115,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | frontsegP(U,nil) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | frontsegP(U,nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(116,axiom,
    ! [U: $i] :
      ( ~ ssList(U)
      | frontsegP(U,nil) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause60) ).

tff(117,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | frontsegP(U,nil) ),
    inference(modus_ponens,[status(thm)],[116,115]) ).

tff(118,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | frontsegP(U,nil) ),
    inference(skolemize,[status(sab)],[117]) ).

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

tff(120,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | frontsegP(U,nil) )
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | frontsegP(U,nil) )
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(121,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | frontsegP(U,nil) )
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ),
    inference(quant_inst,[status(thm)],]) ).

tff(122,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | frontsegP(U,nil) )
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ),
    inference(modus_ponens,[status(thm)],[121,120]) ).

tff(123,plain,
    frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil),
    inference(unit_resolution,[status(thm)],[122,119,112]) ).

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

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

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

tff(127,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ~ frontsegP(U,V)
                  | ~ frontsegP(V,U)
                  | ~ ssList(U) )
              <=> ( ~ ssList(U)
                  | ~ frontsegP(V,U)
                  | ~ frontsegP(U,V) ) )),
              ( ( ~ frontsegP(U,V)
                | ~ frontsegP(V,U)
                | ~ ssList(U)
                | ~ ssList(V) )
            <=> ( ~ ssList(U)
                | ~ frontsegP(V,U)
                | ~ frontsegP(U,V)
                | ~ ssList(V) ) )),
            rewrite(
              ( ( ~ ssList(U)
                | ~ frontsegP(V,U)
                | ~ frontsegP(U,V)
                | ~ ssList(V) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ~ frontsegP(V,U)
                | ~ frontsegP(U,V) ) )),
            ( ( ~ frontsegP(U,V)
              | ~ frontsegP(V,U)
              | ~ ssList(U)
              | ~ ssList(V) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ~ frontsegP(V,U)
              | ~ frontsegP(U,V) ) )),
          ( ( ~ frontsegP(U,V)
            | ~ frontsegP(V,U)
            | ~ ssList(U)
            | ~ ssList(V)
            | ( V = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V)
            | ( V = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V)
            | ( V = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) ) )),
        ( ( ~ frontsegP(U,V)
          | ~ frontsegP(V,U)
          | ~ ssList(U)
          | ~ ssList(V)
          | ( V = U ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | ~ frontsegP(V,U)
          | ~ frontsegP(U,V) ) )),
    inference(bind,[status(th)],]) ).

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

tff(129,axiom,
    ! [V: $i,U: $i] :
      ( ~ frontsegP(U,V)
      | ~ frontsegP(V,U)
      | ~ ssList(U)
      | ~ ssList(V)
      | ( V = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause129) ).

tff(130,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | ~ frontsegP(V,U)
      | ~ frontsegP(U,V) ),
    inference(modus_ponens,[status(thm)],[129,128]) ).

tff(131,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | ~ frontsegP(V,U)
      | ~ frontsegP(U,V) ),
    inference(modus_ponens,[status(thm)],[130,126]) ).

tff(132,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | ~ frontsegP(V,U)
      | ~ frontsegP(U,V) ),
    inference(skolemize,[status(sab)],[131]) ).

tff(133,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( V = U )
      | ~ frontsegP(V,U)
      | ~ frontsegP(U,V) ),
    inference(modus_ponens,[status(thm)],[132,125]) ).

tff(134,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(135,plain,
    ( ( ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil)
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) )
  <=> ( ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(136,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil)
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ) ),
    inference(monotonicity,[status(thm)],[135]) ).

tff(137,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil)
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( V = U )
            | ~ frontsegP(V,U)
            | ~ frontsegP(U,V) )
      | ~ ssList(nil)
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
      | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ) ),
    inference(transitivity,[status(thm)],[136,134]) ).

tff(138,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | ~ frontsegP(V,U)
          | ~ frontsegP(U,V) )
    | ~ ssList(nil)
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
    | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil)
    | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(139,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( V = U )
          | ~ frontsegP(V,U)
          | ~ frontsegP(U,V) )
    | ~ ssList(nil)
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil )
    | ~ frontsegP(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),nil) ),
    inference(modus_ponens,[status(thm)],[138,137]) ).

tff(140,plain,
    ( ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = nil ) ),
    inference(unit_resolution,[status(thm)],[139,22,133,112,123]) ).

tff(141,plain,
    ~ frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)),
    inference(unit_resolution,[status(thm)],[140,105]) ).

tff(142,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ( nil != U )
          | frontsegP(nil,U) )
      <=> ( ~ ssList(U)
          | ( nil != U )
          | frontsegP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(143,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil != U )
        | frontsegP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil != U )
        | frontsegP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[142]) ).

tff(144,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil != U )
        | frontsegP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil != U )
        | frontsegP(nil,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(145,plain,
    ^ [U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ( nil != U )
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ( nil != U ) ) )),
          ( ( ( nil != U )
            | ~ ssList(U)
            | frontsegP(nil,U) )
        <=> ( ~ ssList(U)
            | ( nil != U )
            | frontsegP(nil,U) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ( nil != U )
            | frontsegP(nil,U) )
        <=> ( ~ ssList(U)
            | ( nil != U )
            | frontsegP(nil,U) ) )),
        ( ( ( nil != U )
          | ~ ssList(U)
          | frontsegP(nil,U) )
      <=> ( ~ ssList(U)
          | ( nil != U )
          | frontsegP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(146,plain,
    ( ! [U: $i] :
        ( ( nil != U )
        | ~ ssList(U)
        | frontsegP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil != U )
        | frontsegP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[145]) ).

tff(147,axiom,
    ! [U: $i] :
      ( ( nil != U )
      | ~ ssList(U)
      | frontsegP(nil,U) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause83) ).

tff(148,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil != U )
      | frontsegP(nil,U) ),
    inference(modus_ponens,[status(thm)],[147,146]) ).

tff(149,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil != U )
      | frontsegP(nil,U) ),
    inference(modus_ponens,[status(thm)],[148,144]) ).

tff(150,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil != U )
      | frontsegP(nil,U) ),
    inference(skolemize,[status(sab)],[149]) ).

tff(151,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil != U )
      | frontsegP(nil,U) ),
    inference(modus_ponens,[status(thm)],[150,143]) ).

tff(152,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil != U )
            | frontsegP(nil,U) )
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
      | frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil != U )
            | frontsegP(nil,U) )
      | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
      | ( nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
      | frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(153,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil != U )
          | frontsegP(nil,U) )
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ( nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
    | frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(154,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil != U )
          | frontsegP(nil,U) )
    | ~ ssList(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8))
    | ( nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
    | frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ),
    inference(modus_ponens,[status(thm)],[153,152]) ).

tff(155,plain,
    ( ( nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
    | frontsegP(nil,app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) ),
    inference(unit_resolution,[status(thm)],[154,151,112]) ).

tff(156,plain,
    nil != app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),
    inference(unit_resolution,[status(thm)],[155,141]) ).

tff(157,plain,
    ( ( ssItem(sk9)
      | ( nil = sk3 ) )
  <=> ( ssItem(sk9)
      | ( nil = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(158,plain,
    ( ( ssItem(sk9)
      | ( nil = sk3 ) )
  <=> ( ssItem(sk9)
      | ( nil = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(159,axiom,
    ( ssItem(sk9)
    | ( nil = sk3 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_14) ).

tff(160,plain,
    ( ssItem(sk9)
    | ( nil = sk3 ) ),
    inference(modus_ponens,[status(thm)],[159,158]) ).

tff(161,plain,
    ( ssItem(sk9)
    | ( nil = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) ) ),
    inference(modus_ponens,[status(thm)],[160,157]) ).

tff(162,plain,
    ssItem(sk9),
    inference(unit_resolution,[status(thm)],[161,156]) ).

tff(163,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(164,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) ) ),
    inference(quant_intro,[status(thm)],[163]) ).

tff(165,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(166,plain,
    ^ [V: $i,U: $i] :
      rewrite(
        ( ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
      <=> ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(167,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssItem(U)
        | ~ ssList(V)
        | ( tl(cons(U,V)) = V ) ) ),
    inference(quant_intro,[status(thm)],[166]) ).

tff(168,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( tl(cons(U,V)) = V ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause96) ).

tff(169,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( tl(cons(U,V)) = V ) ),
    inference(modus_ponens,[status(thm)],[168,167]) ).

tff(170,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( tl(cons(U,V)) = V ) ),
    inference(modus_ponens,[status(thm)],[169,165]) ).

tff(171,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( tl(cons(U,V)) = V ) ),
    inference(skolemize,[status(sab)],[170]) ).

tff(172,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( tl(cons(U,V)) = V ) ),
    inference(modus_ponens,[status(thm)],[171,164]) ).

tff(173,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( tl(cons(U,V)) = V ) )
      | ~ ssItem(sk9)
      | ~ ssList(nil)
      | ( tl(cons(sk9,nil)) = nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( tl(cons(U,V)) = V ) )
      | ~ ssItem(sk9)
      | ~ ssList(nil)
      | ( tl(cons(sk9,nil)) = nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(174,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
    | ~ ssItem(sk9)
    | ~ ssList(nil)
    | ( tl(cons(sk9,nil)) = nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(175,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
    | ~ ssItem(sk9)
    | ~ ssList(nil)
    | ( tl(cons(sk9,nil)) = nil ) ),
    inference(modus_ponens,[status(thm)],[174,173]) ).

tff(176,plain,
    tl(cons(sk9,nil)) = nil,
    inference(unit_resolution,[status(thm)],[175,22,172,162]) ).

tff(177,plain,
    ( ( ( nil = sk3 )
      | ( cons(sk9,nil) = sk3 ) )
  <=> ( ( nil = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
      | ( cons(sk9,nil) = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(178,plain,
    ( ( ( nil = sk3 )
      | ( cons(sk9,nil) = sk3 ) )
  <=> ( ( nil = sk3 )
      | ( cons(sk9,nil) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(179,plain,
    ( ( ( cons(sk9,nil) = sk3 )
      | ( nil = sk3 ) )
  <=> ( ( nil = sk3 )
      | ( cons(sk9,nil) = sk3 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(180,axiom,
    ( ( cons(sk9,nil) = sk3 )
    | ( nil = sk3 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_18) ).

tff(181,plain,
    ( ( nil = sk3 )
    | ( cons(sk9,nil) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[180,179]) ).

tff(182,plain,
    ( ( nil = sk3 )
    | ( cons(sk9,nil) = sk3 ) ),
    inference(modus_ponens,[status(thm)],[181,178]) ).

tff(183,plain,
    ( ( nil = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) )
    | ( cons(sk9,nil) = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) ) ),
    inference(modus_ponens,[status(thm)],[182,177]) ).

tff(184,plain,
    cons(sk9,nil) = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),
    inference(unit_resolution,[status(thm)],[183,156]) ).

tff(185,plain,
    app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = cons(sk9,nil),
    inference(symmetry,[status(thm)],[184]) ).

tff(186,plain,
    tl(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)) = tl(cons(sk9,nil)),
    inference(monotonicity,[status(thm)],[185]) ).

tff(187,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(188,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)],[187]) ).

tff(189,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(190,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(191,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)],[190]) ).

tff(192,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(193,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)],[192,191]) ).

tff(194,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)],[193,189]) ).

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

tff(196,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)],[195,188]) ).

tff(197,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)) ) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ ssList(W)
            | ( app(app(W,V),U) = app(W,app(V,U)) ) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(198,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(sk8)
    | ~ ssList(cons(sk6,nil))
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(199,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ ssList(W)
          | ( app(app(W,V),U) = app(W,app(V,U)) ) )
    | ~ ssList(sk8)
    | ~ ssList(cons(sk6,nil))
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)) ) ),
    inference(modus_ponens,[status(thm)],[198,197]) ).

tff(200,plain,
    app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)),
    inference(unit_resolution,[status(thm)],[199,196,88,44,85]) ).

tff(201,plain,
    app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)) = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),
    inference(symmetry,[status(thm)],[200]) ).

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

tff(204,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(205,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(206,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)],[205]) ).

tff(207,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(208,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[207,206]) ).

tff(209,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[208,204]) ).

tff(210,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(skolemize,[status(sab)],[209]) ).

tff(211,plain,
    ! [V: $i,U: $i] :
      ( ~ ssItem(U)
      | ~ ssList(V)
      | ( app(cons(U,nil),V) = cons(U,V) ) ),
    inference(modus_ponens,[status(thm)],[210,203]) ).

tff(212,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(sk6)
      | ~ ssList(sk8)
      | ( app(cons(sk6,nil),sk8) = cons(sk6,sk8) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( app(cons(U,nil),V) = cons(U,V) ) )
      | ~ ssItem(sk6)
      | ~ ssList(sk8)
      | ( app(cons(sk6,nil),sk8) = cons(sk6,sk8) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(213,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(sk6)
    | ~ ssList(sk8)
    | ( app(cons(sk6,nil),sk8) = cons(sk6,sk8) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(214,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( app(cons(U,nil),V) = cons(U,V) ) )
    | ~ ssItem(sk6)
    | ~ ssList(sk8)
    | ( app(cons(sk6,nil),sk8) = cons(sk6,sk8) ) ),
    inference(modus_ponens,[status(thm)],[213,212]) ).

tff(215,plain,
    app(cons(sk6,nil),sk8) = cons(sk6,sk8),
    inference(unit_resolution,[status(thm)],[214,211,6,88]) ).

tff(216,plain,
    cons(sk6,sk8) = app(cons(sk6,nil),sk8),
    inference(symmetry,[status(thm)],[215]) ).

tff(217,plain,
    app(app(sk7,cons(sk5,nil)),cons(sk6,sk8)) = app(app(sk7,cons(sk5,nil)),app(cons(sk6,nil),sk8)),
    inference(monotonicity,[status(thm)],[216]) ).

tff(218,plain,
    app(app(sk7,cons(sk5,nil)),cons(sk6,sk8)) = app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8),
    inference(transitivity,[status(thm)],[217,201]) ).

tff(219,plain,
    tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = tl(app(app(app(sk7,cons(sk5,nil)),cons(sk6,nil)),sk8)),
    inference(monotonicity,[status(thm)],[218]) ).

tff(220,plain,
    ( ssList(cons(sk6,sk8))
  <=> ssList(app(cons(sk6,nil),sk8)) ),
    inference(monotonicity,[status(thm)],[216]) ).

tff(221,plain,
    ( ssList(app(cons(sk6,nil),sk8))
  <=> ssList(cons(sk6,sk8)) ),
    inference(symmetry,[status(thm)],[220]) ).

tff(222,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ssList(app(cons(sk6,nil),sk8)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ssList(app(cons(sk6,nil),sk8)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(223,plain,
    ( ( ~ ssList(sk8)
      | ssList(app(cons(sk6,nil),sk8))
      | ~ ssList(cons(sk6,nil)) )
  <=> ( ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ssList(app(cons(sk6,nil),sk8)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(224,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ssList(app(cons(sk6,nil),sk8))
      | ~ ssList(cons(sk6,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ssList(app(cons(sk6,nil),sk8)) ) ),
    inference(monotonicity,[status(thm)],[223]) ).

tff(225,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ssList(app(cons(sk6,nil),sk8))
      | ~ ssList(cons(sk6,nil)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk8)
      | ~ ssList(cons(sk6,nil))
      | ssList(app(cons(sk6,nil),sk8)) ) ),
    inference(transitivity,[status(thm)],[224,222]) ).

tff(226,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk8)
    | ssList(app(cons(sk6,nil),sk8))
    | ~ ssList(cons(sk6,nil)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(227,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk8)
    | ~ ssList(cons(sk6,nil))
    | ssList(app(cons(sk6,nil),sk8)) ),
    inference(modus_ponens,[status(thm)],[226,225]) ).

tff(228,plain,
    ssList(app(cons(sk6,nil),sk8)),
    inference(unit_resolution,[status(thm)],[227,78,88,44]) ).

tff(229,plain,
    ssList(cons(sk6,sk8)),
    inference(modus_ponens,[status(thm)],[228,221]) ).

tff(230,plain,
    ( ( nil = app(sk7,cons(sk5,nil)) )
  <=> ( app(sk7,cons(sk5,nil)) = nil ) ),
    inference(commutativity,[status(thm)],]) ).

tff(231,plain,
    ( ( app(sk7,cons(sk5,nil)) = nil )
  <=> ( nil = app(sk7,cons(sk5,nil)) ) ),
    inference(symmetry,[status(thm)],[230]) ).

tff(232,plain,
    ( ( app(sk7,cons(sk5,nil)) != nil )
  <=> ( nil != app(sk7,cons(sk5,nil)) ) ),
    inference(monotonicity,[status(thm)],[231]) ).

tff(233,plain,
    ( ( nil = cons(sk5,nil) )
  <=> ( cons(sk5,nil) = nil ) ),
    inference(commutativity,[status(thm)],]) ).

tff(234,plain,
    ( ( cons(sk5,nil) = nil )
  <=> ( nil = cons(sk5,nil) ) ),
    inference(symmetry,[status(thm)],[233]) ).

tff(235,plain,
    ( ( cons(sk5,nil) != nil )
  <=> ( nil != cons(sk5,nil) ) ),
    inference(monotonicity,[status(thm)],[234]) ).

tff(236,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(237,plain,
    ( ( ~ ssItem(sk5)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk5,nil) != nil ) )
  <=> ( singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(238,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk5)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk5,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != nil ) ) ),
    inference(monotonicity,[status(thm)],[237]) ).

tff(239,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | ~ ssItem(sk5)
      | ~ ssList(nil)
      | singletonP(nil)
      | ( cons(sk5,nil) != nil ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | singletonP(V)
            | ( cons(U,nil) != V ) )
      | singletonP(nil)
      | ~ ssList(nil)
      | ~ ssItem(sk5)
      | ( cons(sk5,nil) != nil ) ) ),
    inference(transitivity,[status(thm)],[238,236]) ).

tff(240,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | ~ ssItem(sk5)
    | ~ ssList(nil)
    | singletonP(nil)
    | ( cons(sk5,nil) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(241,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | singletonP(V)
          | ( cons(U,nil) != V ) )
    | singletonP(nil)
    | ~ ssList(nil)
    | ~ ssItem(sk5)
    | ( cons(sk5,nil) != nil ) ),
    inference(modus_ponens,[status(thm)],[240,239]) ).

tff(242,plain,
    cons(sk5,nil) != nil,
    inference(unit_resolution,[status(thm)],[241,22,19,16,61]) ).

tff(243,plain,
    nil != cons(sk5,nil),
    inference(modus_ponens,[status(thm)],[242,235]) ).

tff(244,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(245,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(quant_intro,[status(thm)],[244]) ).

tff(246,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(247,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ( app(U,V) != nil )
                  | ~ ssList(V) )
              <=> ( ~ ssList(V)
                  | ( app(U,V) != nil ) ) )),
              ( ( ( app(U,V) != nil )
                | ~ ssList(V)
                | ~ ssList(U) )
            <=> ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) ) )),
            rewrite(
              ( ( ~ ssList(V)
                | ( app(U,V) != nil )
                | ~ ssList(U) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ( app(U,V) != nil ) ) )),
            ( ( ( app(U,V) != nil )
              | ~ ssList(V)
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ( app(U,V) != nil ) ) )),
          ( ( ( app(U,V) != nil )
            | ~ ssList(V)
            | ~ ssList(U)
            | ( nil = V ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) ) )),
        ( ( ( app(U,V) != nil )
          | ~ ssList(V)
          | ~ ssList(U)
          | ( nil = V ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) ) )),
    inference(bind,[status(th)],]) ).

tff(248,plain,
    ( ! [V: $i,U: $i] :
        ( ( app(U,V) != nil )
        | ~ ssList(V)
        | ~ ssList(U)
        | ( nil = V ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( app(U,V) != nil )
        | ( nil = V ) ) ),
    inference(quant_intro,[status(thm)],[247]) ).

tff(249,axiom,
    ! [V: $i,U: $i] :
      ( ( app(U,V) != nil )
      | ~ ssList(V)
      | ~ ssList(U)
      | ( nil = V ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause119) ).

tff(250,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[249,248]) ).

tff(251,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[250,246]) ).

tff(252,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(skolemize,[status(sab)],[251]) ).

tff(253,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( app(U,V) != nil )
      | ( nil = V ) ),
    inference(modus_ponens,[status(thm)],[252,245]) ).

tff(254,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ( app(sk7,cons(sk5,nil)) != nil )
      | ( nil = cons(sk5,nil) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( app(U,V) != nil )
            | ( nil = V ) )
      | ~ ssList(sk7)
      | ~ ssList(cons(sk5,nil))
      | ( app(sk7,cons(sk5,nil)) != nil )
      | ( nil = cons(sk5,nil) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(255,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
    | ~ ssList(sk7)
    | ~ ssList(cons(sk5,nil))
    | ( app(sk7,cons(sk5,nil)) != nil )
    | ( nil = cons(sk5,nil) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(256,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( app(U,V) != nil )
          | ( nil = V ) )
    | ~ ssList(sk7)
    | ~ ssList(cons(sk5,nil))
    | ( app(sk7,cons(sk5,nil)) != nil )
    | ( nil = cons(sk5,nil) ) ),
    inference(modus_ponens,[status(thm)],[255,254]) ).

tff(257,plain,
    ( ( app(sk7,cons(sk5,nil)) != nil )
    | ( nil = cons(sk5,nil) ) ),
    inference(unit_resolution,[status(thm)],[256,253,68,65]) ).

tff(258,plain,
    app(sk7,cons(sk5,nil)) != nil,
    inference(unit_resolution,[status(thm)],[257,243]) ).

tff(259,plain,
    nil != app(sk7,cons(sk5,nil)),
    inference(modus_ponens,[status(thm)],[258,232]) ).

tff(260,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) ) )),
    inference(bind,[status(th)],]) ).

tff(261,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) ) ),
    inference(quant_intro,[status(thm)],[260]) ).

tff(262,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(263,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( ~ ssList(U)
              | ~ ssList(V)
              | ( nil = V ) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ( nil = V ) ) )),
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) ) )),
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) ) )),
    inference(bind,[status(th)],]) ).

tff(264,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ( nil = V )
        | ( tl(app(V,U)) = app(tl(V),U) ) ) ),
    inference(quant_intro,[status(thm)],[263]) ).

tff(265,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( nil = V )
      | ( tl(app(V,U)) = app(tl(V),U) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause133) ).

tff(266,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( nil = V )
      | ( tl(app(V,U)) = app(tl(V),U) ) ),
    inference(modus_ponens,[status(thm)],[265,264]) ).

tff(267,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( nil = V )
      | ( tl(app(V,U)) = app(tl(V),U) ) ),
    inference(modus_ponens,[status(thm)],[266,262]) ).

tff(268,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( nil = V )
      | ( tl(app(V,U)) = app(tl(V),U) ) ),
    inference(skolemize,[status(sab)],[267]) ).

tff(269,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ( nil = V )
      | ( tl(app(V,U)) = app(tl(V),U) ) ),
    inference(modus_ponens,[status(thm)],[268,261]) ).

tff(270,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) )
      | ~ ssList(cons(sk6,sk8))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( nil = app(sk7,cons(sk5,nil)) )
      | ( tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ( nil = V )
            | ( tl(app(V,U)) = app(tl(V),U) ) )
      | ~ ssList(cons(sk6,sk8))
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( nil = app(sk7,cons(sk5,nil)) )
      | ( tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(271,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) )
    | ~ ssList(cons(sk6,sk8))
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( nil = app(sk7,cons(sk5,nil)) )
    | ( tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(272,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ( nil = V )
          | ( tl(app(V,U)) = app(tl(V),U) ) )
    | ~ ssList(cons(sk6,sk8))
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( nil = app(sk7,cons(sk5,nil)) )
    | ( tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) ) ),
    inference(modus_ponens,[status(thm)],[271,270]) ).

tff(273,plain,
    tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)),
    inference(unit_resolution,[status(thm)],[272,269,85,259,229]) ).

tff(274,plain,
    app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) = tl(app(app(sk7,cons(sk5,nil)),cons(sk6,sk8))),
    inference(symmetry,[status(thm)],[273]) ).

tff(275,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ( nil = U )
          | ( cons(skaf83(U),skaf82(U)) = U ) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ( cons(skaf83(U),skaf82(U)) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(276,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ( cons(skaf83(U),skaf82(U)) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ( cons(skaf83(U),skaf82(U)) = U ) ) ),
    inference(quant_intro,[status(thm)],[275]) ).

tff(277,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ( cons(skaf83(U),skaf82(U)) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ( cons(skaf83(U),skaf82(U)) = U ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(278,plain,
    ^ [U: $i] :
      rewrite(
        ( ( ~ ssList(U)
          | ( cons(skaf83(U),skaf82(U)) = U )
          | ( nil = U ) )
      <=> ( ~ ssList(U)
          | ( nil = U )
          | ( cons(skaf83(U),skaf82(U)) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(279,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( cons(skaf83(U),skaf82(U)) = U )
        | ( nil = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( nil = U )
        | ( cons(skaf83(U),skaf82(U)) = U ) ) ),
    inference(quant_intro,[status(thm)],[278]) ).

tff(280,axiom,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( cons(skaf83(U),skaf82(U)) = U )
      | ( nil = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause109) ).

tff(281,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ( cons(skaf83(U),skaf82(U)) = U ) ),
    inference(modus_ponens,[status(thm)],[280,279]) ).

tff(282,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ( cons(skaf83(U),skaf82(U)) = U ) ),
    inference(modus_ponens,[status(thm)],[281,277]) ).

tff(283,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ( cons(skaf83(U),skaf82(U)) = U ) ),
    inference(skolemize,[status(sab)],[282]) ).

tff(284,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( nil = U )
      | ( cons(skaf83(U),skaf82(U)) = U ) ),
    inference(modus_ponens,[status(thm)],[283,276]) ).

tff(285,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ( cons(skaf83(U),skaf82(U)) = U ) )
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( nil = app(sk7,cons(sk5,nil)) )
      | ( cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)) ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( nil = U )
            | ( cons(skaf83(U),skaf82(U)) = U ) )
      | ~ ssList(app(sk7,cons(sk5,nil)))
      | ( nil = app(sk7,cons(sk5,nil)) )
      | ( cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(286,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ( cons(skaf83(U),skaf82(U)) = U ) )
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( nil = app(sk7,cons(sk5,nil)) )
    | ( cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(287,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( nil = U )
          | ( cons(skaf83(U),skaf82(U)) = U ) )
    | ~ ssList(app(sk7,cons(sk5,nil)))
    | ( nil = app(sk7,cons(sk5,nil)) )
    | ( cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)) ) ),
    inference(modus_ponens,[status(thm)],[286,285]) ).

tff(288,plain,
    ( ( nil = app(sk7,cons(sk5,nil)) )
    | ( cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)) ) ),
    inference(unit_resolution,[status(thm)],[287,284,85]) ).

tff(289,plain,
    cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))) = app(sk7,cons(sk5,nil)),
    inference(unit_resolution,[status(thm)],[288,259]) ).

tff(290,plain,
    app(sk7,cons(sk5,nil)) = cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil)))),
    inference(symmetry,[status(thm)],[289]) ).

tff(291,plain,
    tl(app(sk7,cons(sk5,nil))) = tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))),
    inference(monotonicity,[status(thm)],[290]) ).

tff(292,plain,
    tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = tl(app(sk7,cons(sk5,nil))),
    inference(symmetry,[status(thm)],[291]) ).

tff(293,plain,
    ^ [U: $i] :
      refl(
        ( ssList(skaf82(U))
      <=> ssList(skaf82(U)) )),
    inference(bind,[status(th)],]) ).

tff(294,plain,
    ( ! [U: $i] : ssList(skaf82(U))
  <=> ! [U: $i] : ssList(skaf82(U)) ),
    inference(quant_intro,[status(thm)],[293]) ).

tff(295,plain,
    ( ! [U: $i] : ssList(skaf82(U))
  <=> ! [U: $i] : ssList(skaf82(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(296,axiom,
    ! [U: $i] : ssList(skaf82(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause13) ).

tff(297,plain,
    ! [U: $i] : ssList(skaf82(U)),
    inference(modus_ponens,[status(thm)],[296,295]) ).

tff(298,plain,
    ! [U: $i] : ssList(skaf82(U)),
    inference(skolemize,[status(sab)],[297]) ).

tff(299,plain,
    ! [U: $i] : ssList(skaf82(U)),
    inference(modus_ponens,[status(thm)],[298,294]) ).

tff(300,plain,
    ( ~ ! [U: $i] : ssList(skaf82(U))
    | ssList(skaf82(app(sk7,cons(sk5,nil)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(301,plain,
    ssList(skaf82(app(sk7,cons(sk5,nil)))),
    inference(unit_resolution,[status(thm)],[300,299]) ).

tff(302,plain,
    ^ [U: $i] :
      refl(
        ( ssItem(skaf83(U))
      <=> ssItem(skaf83(U)) )),
    inference(bind,[status(th)],]) ).

tff(303,plain,
    ( ! [U: $i] : ssItem(skaf83(U))
  <=> ! [U: $i] : ssItem(skaf83(U)) ),
    inference(quant_intro,[status(thm)],[302]) ).

tff(304,plain,
    ( ! [U: $i] : ssItem(skaf83(U))
  <=> ! [U: $i] : ssItem(skaf83(U)) ),
    inference(rewrite,[status(thm)],]) ).

tff(305,axiom,
    ! [U: $i] : ssItem(skaf83(U)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause12) ).

tff(306,plain,
    ! [U: $i] : ssItem(skaf83(U)),
    inference(modus_ponens,[status(thm)],[305,304]) ).

tff(307,plain,
    ! [U: $i] : ssItem(skaf83(U)),
    inference(skolemize,[status(sab)],[306]) ).

tff(308,plain,
    ! [U: $i] : ssItem(skaf83(U)),
    inference(modus_ponens,[status(thm)],[307,303]) ).

tff(309,plain,
    ( ~ ! [U: $i] : ssItem(skaf83(U))
    | ssItem(skaf83(app(sk7,cons(sk5,nil)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(310,plain,
    ssItem(skaf83(app(sk7,cons(sk5,nil)))),
    inference(unit_resolution,[status(thm)],[309,308]) ).

tff(311,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( tl(cons(U,V)) = V ) )
      | ~ ssItem(skaf83(app(sk7,cons(sk5,nil))))
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))) ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssItem(U)
            | ~ ssList(V)
            | ( tl(cons(U,V)) = V ) )
      | ~ ssItem(skaf83(app(sk7,cons(sk5,nil))))
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(312,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
    | ~ ssItem(skaf83(app(sk7,cons(sk5,nil))))
    | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
    | ( tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(313,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssItem(U)
          | ~ ssList(V)
          | ( tl(cons(U,V)) = V ) )
    | ~ ssItem(skaf83(app(sk7,cons(sk5,nil))))
    | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
    | ( tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))) ) ),
    inference(modus_ponens,[status(thm)],[312,311]) ).

tff(314,plain,
    ( ~ ssItem(skaf83(app(sk7,cons(sk5,nil))))
    | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
    | ( tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))) ) ),
    inference(unit_resolution,[status(thm)],[313,172]) ).

tff(315,plain,
    tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))) = skaf82(app(sk7,cons(sk5,nil))),
    inference(unit_resolution,[status(thm)],[314,310,301]) ).

tff(316,plain,
    skaf82(app(sk7,cons(sk5,nil))) = tl(cons(skaf83(app(sk7,cons(sk5,nil))),skaf82(app(sk7,cons(sk5,nil))))),
    inference(symmetry,[status(thm)],[315]) ).

tff(317,plain,
    skaf82(app(sk7,cons(sk5,nil))) = tl(app(sk7,cons(sk5,nil))),
    inference(transitivity,[status(thm)],[316,292]) ).

tff(318,plain,
    app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) = app(tl(app(sk7,cons(sk5,nil))),cons(sk6,sk8)),
    inference(monotonicity,[status(thm)],[317]) ).

tff(319,plain,
    app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) = nil,
    inference(transitivity,[status(thm)],[318,274,219,186,176]) ).

tff(320,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssItem(U)
          | ~ memberP(nil,U) )
      <=> ( ~ ssItem(U)
          | ~ memberP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(321,plain,
    ( ! [U: $i] :
        ( ~ ssItem(U)
        | ~ memberP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ memberP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[320]) ).

tff(322,plain,
    ( ! [U: $i] :
        ( ~ ssItem(U)
        | ~ memberP(nil,U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ memberP(nil,U) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(323,plain,
    ^ [U: $i] :
      rewrite(
        ( ( ~ memberP(nil,U)
          | ~ ssItem(U) )
      <=> ( ~ ssItem(U)
          | ~ memberP(nil,U) ) )),
    inference(bind,[status(th)],]) ).

tff(324,plain,
    ( ! [U: $i] :
        ( ~ memberP(nil,U)
        | ~ ssItem(U) )
  <=> ! [U: $i] :
        ( ~ ssItem(U)
        | ~ memberP(nil,U) ) ),
    inference(quant_intro,[status(thm)],[323]) ).

tff(325,axiom,
    ! [U: $i] :
      ( ~ memberP(nil,U)
      | ~ ssItem(U) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause71) ).

tff(326,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ memberP(nil,U) ),
    inference(modus_ponens,[status(thm)],[325,324]) ).

tff(327,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ memberP(nil,U) ),
    inference(modus_ponens,[status(thm)],[326,322]) ).

tff(328,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ memberP(nil,U) ),
    inference(skolemize,[status(sab)],[327]) ).

tff(329,plain,
    ! [U: $i] :
      ( ~ ssItem(U)
      | ~ memberP(nil,U) ),
    inference(modus_ponens,[status(thm)],[328,321]) ).

tff(330,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssItem(U)
            | ~ memberP(nil,U) )
      | ~ ssItem(sk6)
      | ~ memberP(nil,sk6) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssItem(U)
            | ~ memberP(nil,U) )
      | ~ ssItem(sk6)
      | ~ memberP(nil,sk6) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(331,plain,
    ( ~ ! [U: $i] :
          ( ~ ssItem(U)
          | ~ memberP(nil,U) )
    | ~ ssItem(sk6)
    | ~ memberP(nil,sk6) ),
    inference(quant_inst,[status(thm)],]) ).

tff(332,plain,
    ( ~ ! [U: $i] :
          ( ~ ssItem(U)
          | ~ memberP(nil,U) )
    | ~ ssItem(sk6)
    | ~ memberP(nil,sk6) ),
    inference(modus_ponens,[status(thm)],[331,330]) ).

tff(333,plain,
    ~ memberP(nil,sk6),
    inference(unit_resolution,[status(thm)],[332,329,6]) ).

tff(334,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(335,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)],[334]) ).

tff(336,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(337,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(338,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)],[337]) ).

tff(339,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(340,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)],[339,338]) ).

tff(341,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)],[340,336]) ).

tff(342,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)],[341]) ).

tff(343,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)],[342,335]) ).

tff(344,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(nil)
      | ~ ssList(sk8)
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) )
  <=> ( ~ ! [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(nil)
      | ~ ssList(sk8)
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(345,plain,
    ( ( ~ ssList(nil)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(sk8)
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) )
  <=> ( ~ ssList(nil)
      | ~ ssList(sk8)
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(346,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(nil)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(sk8)
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) )
  <=> ( ~ ! [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(nil)
      | ~ ssList(sk8)
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ) ),
    inference(monotonicity,[status(thm)],[345]) ).

tff(347,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(nil)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(sk8)
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) )
  <=> ( ~ ! [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(nil)
      | ~ ssList(sk8)
      | ~ ssItem(sk6)
      | memberP(nil,sk6)
      | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
      | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ) ),
    inference(transitivity,[status(thm)],[346,344]) ).

tff(348,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(nil)
    | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
    | ~ ssItem(sk6)
    | memberP(nil,sk6)
    | ~ ssList(sk8)
    | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(349,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(nil)
    | ~ ssList(sk8)
    | ~ ssItem(sk6)
    | memberP(nil,sk6)
    | ~ ssList(skaf82(app(sk7,cons(sk5,nil))))
    | ( app(skaf82(app(sk7,cons(sk5,nil))),cons(sk6,sk8)) != nil ) ),
    inference(modus_ponens,[status(thm)],[348,347]) ).

tff(350,plain,
    $false,
    inference(unit_resolution,[status(thm)],[349,22,343,6,88,333,301,319]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem  : SWC188-1 : TPTP v8.1.0. Released v2.4.0.
% 0.09/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.32  % Computer : n023.cluster.edu
% 0.12/0.32  % Model    : x86_64 x86_64
% 0.12/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32  % Memory   : 8042.1875MB
% 0.12/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.32  % CPULimit : 300
% 0.12/0.32  % WCLimit  : 300
% 0.12/0.32  % DateTime : Sat Sep  3 22:44:18 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.12/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.33  Usage: tptp [options] [-file:]file
% 0.12/0.33    -h, -?       prints this message.
% 0.12/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.33    -m, -model   generate model.
% 0.12/0.33    -p, -proof   generate proof.
% 0.12/0.33    -c, -core    generate unsat core of named formulas.
% 0.12/0.33    -st, -statistics display statistics.
% 0.12/0.33    -t:timeout   set timeout (in second).
% 0.12/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.33    -<param>:<value> configuration parameter and value.
% 0.12/0.33    -o:<output-file> file to place output in.
% 16.09/10.27  % SZS status Unsatisfiable
% 16.09/10.27  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------