TSTP Solution File: SWC399-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC399-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n006.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 11:57:41 EDT 2022

% Result   : Unsatisfiable 0.19s 0.48s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   46
% Syntax   : Number of formulae    :   86 (  24 unt;  10 typ;   0 def)
%            Number of atoms       :  623 (   0 equ)
%            Maximal formula atoms :   20 (   8 avg)
%            Number of connectives :  993 ( 488   ~; 451   |;   0   &)
%                                         (  54 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :   42 (  42 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    6 (   4   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :  168 ( 152   !;   0   ?; 168   :)

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

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

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

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

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

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

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

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

tff(sk2_type,type,
    sk2: $i ).

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

tff(1,plain,
    ( ssList(sk5)
  <=> ssList(sk5) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    ssList(sk5),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_7) ).

tff(3,plain,
    ssList(sk5),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ( ssList(sk1)
  <=> ssList(sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(5,plain,
    ( ssList(sk1)
  <=> ssList(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(6,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_1) ).

tff(7,plain,
    ssList(sk1),
    inference(modus_ponens,[status(thm)],[6,5]) ).

tff(8,plain,
    ssList(sk3),
    inference(modus_ponens,[status(thm)],[7,4]) ).

tff(9,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(10,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)],[9]) ).

tff(11,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(12,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(13,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)],[12]) ).

tff(14,axiom,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ssList(app(V,U)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause85) ).

tff(15,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[14,13]) ).

tff(16,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[15,11]) ).

tff(17,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(skolemize,[status(sab)],[16]) ).

tff(18,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ssList(app(V,U))
      | ~ ssList(V) ),
    inference(modus_ponens,[status(thm)],[17,10]) ).

tff(19,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ssList(app(sk5,sk3)) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ssList(app(sk5,sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(20,plain,
    ( ( ~ ssList(sk3)
      | ssList(app(sk5,sk3))
      | ~ ssList(sk5) )
  <=> ( ~ ssList(sk3)
      | ~ ssList(sk5)
      | ssList(app(sk5,sk3)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(21,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ssList(app(sk5,sk3))
      | ~ ssList(sk5) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ssList(app(sk5,sk3)) ) ),
    inference(monotonicity,[status(thm)],[20]) ).

tff(22,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ssList(app(sk5,sk3))
      | ~ ssList(sk5) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ssList(app(V,U))
            | ~ ssList(V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ssList(app(sk5,sk3)) ) ),
    inference(transitivity,[status(thm)],[21,19]) ).

tff(23,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk3)
    | ssList(app(sk5,sk3))
    | ~ ssList(sk5) ),
    inference(quant_inst,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ssList(app(V,U))
          | ~ ssList(V) )
    | ~ ssList(sk3)
    | ~ ssList(sk5)
    | ssList(app(sk5,sk3)) ),
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    ssList(app(sk5,sk3)),
    inference(unit_resolution,[status(thm)],[24,18,8,3]) ).

tff(26,plain,
    ( ~ memberP(sk2,sk7)
  <=> ~ memberP(app(app(sk5,sk3),sk6),sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(27,plain,
    ( ~ memberP(sk2,sk7)
  <=> ~ memberP(sk2,sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(28,axiom,
    ~ memberP(sk2,sk7),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_15) ).

tff(29,plain,
    ~ memberP(sk2,sk7),
    inference(modus_ponens,[status(thm)],[28,27]) ).

tff(30,plain,
    ~ memberP(app(app(sk5,sk3),sk6),sk7),
    inference(modus_ponens,[status(thm)],[29,26]) ).

tff(31,plain,
    ( ssItem(sk7)
  <=> ssItem(sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(32,axiom,
    ssItem(sk7),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_13) ).

tff(33,plain,
    ssItem(sk7),
    inference(modus_ponens,[status(thm)],[32,31]) ).

tff(34,plain,
    ( ssList(sk6)
  <=> ssList(sk6) ),
    inference(rewrite,[status(thm)],]) ).

tff(35,axiom,
    ssList(sk6),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_8) ).

tff(36,plain,
    ssList(sk6),
    inference(modus_ponens,[status(thm)],[35,34]) ).

tff(37,plain,
    ^ [W: $i,V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(U,W),V) )
      <=> ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(U,W),V) ) )),
    inference(bind,[status(th)],]) ).

tff(38,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(U,W),V) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(U,W),V) ) ),
    inference(quant_intro,[status(thm)],[37]) ).

tff(39,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(U,W),V) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(U,W),V) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(40,plain,
    ^ [W: $i,V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  rewrite(
                    ( ( ~ memberP(U,V)
                      | ~ ssList(W) )
                  <=> ( ~ ssList(W)
                      | ~ memberP(U,V) ) )),
                  ( ( ~ memberP(U,V)
                    | ~ ssList(W)
                    | ~ ssList(U) )
                <=> ( ~ ssList(W)
                    | ~ memberP(U,V)
                    | ~ ssList(U) ) )),
                rewrite(
                  ( ( ~ ssList(W)
                    | ~ memberP(U,V)
                    | ~ ssList(U) )
                <=> ( ~ ssList(U)
                    | ~ ssList(W)
                    | ~ memberP(U,V) ) )),
                ( ( ~ memberP(U,V)
                  | ~ ssList(W)
                  | ~ ssList(U) )
              <=> ( ~ ssList(U)
                  | ~ ssList(W)
                  | ~ memberP(U,V) ) )),
              ( ( ~ memberP(U,V)
                | ~ ssList(W)
                | ~ ssList(U)
                | ~ ssItem(V) )
            <=> ( ~ ssList(U)
                | ~ ssList(W)
                | ~ memberP(U,V)
                | ~ ssItem(V) ) )),
            rewrite(
              ( ( ~ ssList(U)
                | ~ ssList(W)
                | ~ memberP(U,V)
                | ~ ssItem(V) )
            <=> ( ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(W)
                | ~ memberP(U,V) ) )),
            ( ( ~ memberP(U,V)
              | ~ ssList(W)
              | ~ ssList(U)
              | ~ ssItem(V) )
          <=> ( ~ ssList(U)
              | ~ ssItem(V)
              | ~ ssList(W)
              | ~ memberP(U,V) ) )),
          ( ( ~ memberP(U,V)
            | ~ ssList(W)
            | ~ ssList(U)
            | ~ ssItem(V)
            | memberP(app(U,W),V) )
        <=> ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
        <=> ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) ) )),
        ( ( ~ memberP(U,V)
          | ~ ssList(W)
          | ~ ssList(U)
          | ~ ssItem(V)
          | memberP(app(U,W),V) )
      <=> ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(U,W),V) ) )),
    inference(bind,[status(th)],]) ).

tff(41,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ memberP(U,V)
        | ~ ssList(W)
        | ~ ssList(U)
        | ~ ssItem(V)
        | memberP(app(U,W),V) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(U,W),V) ) ),
    inference(quant_intro,[status(thm)],[40]) ).

tff(42,axiom,
    ! [W: $i,V: $i,U: $i] :
      ( ~ memberP(U,V)
      | ~ ssList(W)
      | ~ ssList(U)
      | ~ ssItem(V)
      | memberP(app(U,W),V) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause140) ).

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

tff(44,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(U,W),V) ),
    inference(modus_ponens,[status(thm)],[43,39]) ).

tff(45,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(U,W),V) ),
    inference(skolemize,[status(sab)],[44]) ).

tff(46,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(U,W),V) ),
    inference(modus_ponens,[status(thm)],[45,38]) ).

tff(47,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | memberP(app(app(sk5,sk3),sk6),sk7)
      | ~ ssList(sk6)
      | ~ ssItem(sk7)
      | ~ ssList(app(sk5,sk3))
      | ~ memberP(app(sk5,sk3),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | memberP(app(app(sk5,sk3),sk6),sk7)
      | ~ ssList(sk6)
      | ~ ssItem(sk7)
      | ~ ssList(app(sk5,sk3))
      | ~ memberP(app(sk5,sk3),sk7) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(48,plain,
    ( ( ~ ssList(app(sk5,sk3))
      | ~ ssItem(sk7)
      | ~ ssList(sk6)
      | ~ memberP(app(sk5,sk3),sk7)
      | memberP(app(app(sk5,sk3),sk6),sk7) )
  <=> ( memberP(app(app(sk5,sk3),sk6),sk7)
      | ~ ssList(sk6)
      | ~ ssItem(sk7)
      | ~ ssList(app(sk5,sk3))
      | ~ memberP(app(sk5,sk3),sk7) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | ~ ssList(app(sk5,sk3))
      | ~ ssItem(sk7)
      | ~ ssList(sk6)
      | ~ memberP(app(sk5,sk3),sk7)
      | memberP(app(app(sk5,sk3),sk6),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | memberP(app(app(sk5,sk3),sk6),sk7)
      | ~ ssList(sk6)
      | ~ ssItem(sk7)
      | ~ ssList(app(sk5,sk3))
      | ~ memberP(app(sk5,sk3),sk7) ) ),
    inference(monotonicity,[status(thm)],[48]) ).

tff(50,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | ~ ssList(app(sk5,sk3))
      | ~ ssItem(sk7)
      | ~ ssList(sk6)
      | ~ memberP(app(sk5,sk3),sk7)
      | memberP(app(app(sk5,sk3),sk6),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(U,W),V) )
      | memberP(app(app(sk5,sk3),sk6),sk7)
      | ~ ssList(sk6)
      | ~ ssItem(sk7)
      | ~ ssList(app(sk5,sk3))
      | ~ memberP(app(sk5,sk3),sk7) ) ),
    inference(transitivity,[status(thm)],[49,47]) ).

tff(51,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(U,W),V) )
    | ~ ssList(app(sk5,sk3))
    | ~ ssItem(sk7)
    | ~ ssList(sk6)
    | ~ memberP(app(sk5,sk3),sk7)
    | memberP(app(app(sk5,sk3),sk6),sk7) ),
    inference(quant_inst,[status(thm)],]) ).

tff(52,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(U,W),V) )
    | memberP(app(app(sk5,sk3),sk6),sk7)
    | ~ ssList(sk6)
    | ~ ssItem(sk7)
    | ~ ssList(app(sk5,sk3))
    | ~ memberP(app(sk5,sk3),sk7) ),
    inference(modus_ponens,[status(thm)],[51,50]) ).

tff(53,plain,
    ( ~ ssList(app(sk5,sk3))
    | ~ memberP(app(sk5,sk3),sk7) ),
    inference(unit_resolution,[status(thm)],[52,46,36,33,30]) ).

tff(54,plain,
    ~ memberP(app(sk5,sk3),sk7),
    inference(unit_resolution,[status(thm)],[53,25]) ).

tff(55,plain,
    ( memberP(sk1,sk7)
  <=> memberP(sk3,sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(56,plain,
    ( memberP(sk1,sk7)
  <=> memberP(sk1,sk7) ),
    inference(rewrite,[status(thm)],]) ).

tff(57,axiom,
    memberP(sk1,sk7),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1_14) ).

tff(58,plain,
    memberP(sk1,sk7),
    inference(modus_ponens,[status(thm)],[57,56]) ).

tff(59,plain,
    memberP(sk3,sk7),
    inference(modus_ponens,[status(thm)],[58,55]) ).

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

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

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

tff(63,plain,
    ^ [W: $i,V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              trans(
                monotonicity(
                  rewrite(
                    ( ( ~ memberP(U,V)
                      | ~ ssList(U) )
                  <=> ( ~ ssList(U)
                      | ~ memberP(U,V) ) )),
                  ( ( ~ memberP(U,V)
                    | ~ ssList(U)
                    | ~ ssList(W) )
                <=> ( ~ ssList(U)
                    | ~ memberP(U,V)
                    | ~ ssList(W) ) )),
                rewrite(
                  ( ( ~ ssList(U)
                    | ~ memberP(U,V)
                    | ~ ssList(W) )
                <=> ( ~ ssList(U)
                    | ~ ssList(W)
                    | ~ memberP(U,V) ) )),
                ( ( ~ memberP(U,V)
                  | ~ ssList(U)
                  | ~ ssList(W) )
              <=> ( ~ ssList(U)
                  | ~ ssList(W)
                  | ~ memberP(U,V) ) )),
              ( ( ~ memberP(U,V)
                | ~ ssList(U)
                | ~ ssList(W)
                | ~ ssItem(V) )
            <=> ( ~ ssList(U)
                | ~ ssList(W)
                | ~ memberP(U,V)
                | ~ ssItem(V) ) )),
            rewrite(
              ( ( ~ ssList(U)
                | ~ ssList(W)
                | ~ memberP(U,V)
                | ~ ssItem(V) )
            <=> ( ~ ssList(U)
                | ~ ssItem(V)
                | ~ ssList(W)
                | ~ memberP(U,V) ) )),
            ( ( ~ memberP(U,V)
              | ~ ssList(U)
              | ~ ssList(W)
              | ~ ssItem(V) )
          <=> ( ~ ssList(U)
              | ~ ssItem(V)
              | ~ ssList(W)
              | ~ memberP(U,V) ) )),
          ( ( ~ memberP(U,V)
            | ~ ssList(U)
            | ~ ssList(W)
            | ~ ssItem(V)
            | memberP(app(W,U),V) )
        <=> ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
        <=> ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) ) )),
        ( ( ~ memberP(U,V)
          | ~ ssList(U)
          | ~ ssList(W)
          | ~ ssItem(V)
          | memberP(app(W,U),V) )
      <=> ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(W,U),V) ) )),
    inference(bind,[status(th)],]) ).

tff(64,plain,
    ( ! [W: $i,V: $i,U: $i] :
        ( ~ memberP(U,V)
        | ~ ssList(U)
        | ~ ssList(W)
        | ~ ssItem(V)
        | memberP(app(W,U),V) )
  <=> ! [W: $i,V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssItem(V)
        | ~ ssList(W)
        | ~ memberP(U,V)
        | memberP(app(W,U),V) ) ),
    inference(quant_intro,[status(thm)],[63]) ).

tff(65,axiom,
    ! [W: $i,V: $i,U: $i] :
      ( ~ memberP(U,V)
      | ~ ssList(U)
      | ~ ssList(W)
      | ~ ssItem(V)
      | memberP(app(W,U),V) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/SWC001-0.ax',clause141) ).

tff(66,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(W,U),V) ),
    inference(modus_ponens,[status(thm)],[65,64]) ).

tff(67,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(W,U),V) ),
    inference(modus_ponens,[status(thm)],[66,62]) ).

tff(68,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(W,U),V) ),
    inference(skolemize,[status(sab)],[67]) ).

tff(69,plain,
    ! [W: $i,V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssItem(V)
      | ~ ssList(W)
      | ~ memberP(U,V)
      | memberP(app(W,U),V) ),
    inference(modus_ponens,[status(thm)],[68,61]) ).

tff(70,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ~ ssItem(sk7)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ~ ssItem(sk7)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(71,plain,
    ( ( ~ ssList(sk3)
      | ~ ssItem(sk7)
      | ~ ssList(sk5)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) )
  <=> ( ~ ssList(sk3)
      | ~ ssList(sk5)
      | ~ ssItem(sk7)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(72,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssItem(sk7)
      | ~ ssList(sk5)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ~ ssItem(sk7)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) ) ),
    inference(monotonicity,[status(thm)],[71]) ).

tff(73,plain,
    ( ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssItem(sk7)
      | ~ ssList(sk5)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) )
  <=> ( ~ ! [W: $i,V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssItem(V)
            | ~ ssList(W)
            | ~ memberP(U,V)
            | memberP(app(W,U),V) )
      | ~ ssList(sk3)
      | ~ ssList(sk5)
      | ~ ssItem(sk7)
      | ~ memberP(sk3,sk7)
      | memberP(app(sk5,sk3),sk7) ) ),
    inference(transitivity,[status(thm)],[72,70]) ).

tff(74,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(W,U),V) )
    | ~ ssList(sk3)
    | ~ ssItem(sk7)
    | ~ ssList(sk5)
    | ~ memberP(sk3,sk7)
    | memberP(app(sk5,sk3),sk7) ),
    inference(quant_inst,[status(thm)],]) ).

tff(75,plain,
    ( ~ ! [W: $i,V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssItem(V)
          | ~ ssList(W)
          | ~ memberP(U,V)
          | memberP(app(W,U),V) )
    | ~ ssList(sk3)
    | ~ ssList(sk5)
    | ~ ssItem(sk7)
    | ~ memberP(sk3,sk7)
    | memberP(app(sk5,sk3),sk7) ),
    inference(modus_ponens,[status(thm)],[74,73]) ).

tff(76,plain,
    $false,
    inference(unit_resolution,[status(thm)],[75,69,8,3,33,59,54]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SWC399-1 : TPTP v8.1.0. Released v2.4.0.
% 0.06/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n006.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sun Sep  4 00:40:54 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -o:<output-file> file to place output in.
% 0.19/0.48  % SZS status Unsatisfiable
% 0.19/0.48  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------