TSTP Solution File: SWC373-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWC373-1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n001.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 11:57:30 EDT 2022

% Result   : Unsatisfiable 0.22s 0.46s
% Output   : Proof 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   46
% Syntax   : Number of formulae    :   89 (  30 unt;  10 typ;   0 def)
%            Number of atoms       :  578 ( 118 equ)
%            Maximal formula atoms :   24 (   7 avg)
%            Number of connectives :  900 ( 443   ~; 406   |;   0   &)
%                                         (  51 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of FOOLs       :   42 (  42 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    9 (   5   >;   4   *;   0   +;   0  <<)
%            Number of predicates  :    9 (   7 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :  159 ( 144   !;   0   ?; 159   :)

% Comments : 
%------------------------------------------------------------------------------
tff(sk4_type,type,
    sk4: $i ).

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

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

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

tff(skaf46_type,type,
    skaf46: ( $i * $i ) > $i ).

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

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

tff(rearsegP_type,type,
    rearsegP: ( $i * $i ) > $o ).

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

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

tff(1,plain,
    ( ssList(sk2)
  <=> ssList(sk4) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,plain,
    ( ssList(sk2)
  <=> ssList(sk2) ),
    inference(rewrite,[status(thm)],]) ).

tff(3,axiom,
    ssList(sk2),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_2) ).

tff(4,plain,
    ssList(sk2),
    inference(modus_ponens,[status(thm)],[3,2]) ).

tff(5,plain,
    ssList(sk4),
    inference(modus_ponens,[status(thm)],[4,1]) ).

tff(6,plain,
    ^ [U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ( app(U,nil) = U ) )
      <=> ( ~ ssList(U)
          | ( app(U,nil) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(7,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( app(U,nil) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( app(U,nil) = U ) ) ),
    inference(quant_intro,[status(thm)],[6]) ).

tff(8,plain,
    ( ! [U: $i] :
        ( ~ ssList(U)
        | ( app(U,nil) = U ) )
  <=> ! [U: $i] :
        ( ~ ssList(U)
        | ( app(U,nil) = U ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(9,axiom,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( app(U,nil) = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause73) ).

tff(10,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( app(U,nil) = U ) ),
    inference(modus_ponens,[status(thm)],[9,8]) ).

tff(11,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( app(U,nil) = U ) ),
    inference(skolemize,[status(sab)],[10]) ).

tff(12,plain,
    ! [U: $i] :
      ( ~ ssList(U)
      | ( app(U,nil) = U ) ),
    inference(modus_ponens,[status(thm)],[11,7]) ).

tff(13,plain,
    ( ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( app(U,nil) = U ) )
      | ~ ssList(sk4)
      | ( app(sk4,nil) = sk4 ) )
  <=> ( ~ ! [U: $i] :
            ( ~ ssList(U)
            | ( app(U,nil) = U ) )
      | ~ ssList(sk4)
      | ( app(sk4,nil) = sk4 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(14,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( app(U,nil) = U ) )
    | ~ ssList(sk4)
    | ( app(sk4,nil) = sk4 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(15,plain,
    ( ~ ! [U: $i] :
          ( ~ ssList(U)
          | ( app(U,nil) = U ) )
    | ~ ssList(sk4)
    | ( app(sk4,nil) = sk4 ) ),
    inference(modus_ponens,[status(thm)],[14,13]) ).

tff(16,plain,
    app(sk4,nil) = sk4,
    inference(unit_resolution,[status(thm)],[15,12,5]) ).

tff(17,plain,
    ( rearsegP(sk4,sk3)
  <=> rearsegP(sk4,sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(18,axiom,
    rearsegP(sk4,sk3),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_7) ).

tff(19,plain,
    rearsegP(sk4,sk3),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    ( ssList(sk1)
  <=> ssList(sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(21,plain,
    ( ssList(sk1)
  <=> ssList(sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(22,axiom,
    ssList(sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_1) ).

tff(23,plain,
    ssList(sk1),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ssList(sk3),
    inference(modus_ponens,[status(thm)],[23,20]) ).

tff(25,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ( ~ ssList(U)
          | ~ ssList(V)
          | ~ rearsegP(U,V)
          | ( app(skaf46(U,V),V) = U ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ~ rearsegP(U,V)
          | ( app(skaf46(U,V),V) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(26,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ rearsegP(U,V)
        | ( app(skaf46(U,V),V) = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ rearsegP(U,V)
        | ( app(skaf46(U,V),V) = U ) ) ),
    inference(quant_intro,[status(thm)],[25]) ).

tff(27,plain,
    ( ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ rearsegP(U,V)
        | ( app(skaf46(U,V),V) = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ rearsegP(U,V)
        | ( app(skaf46(U,V),V) = U ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(28,plain,
    ^ [V: $i,U: $i] :
      trans(
        monotonicity(
          trans(
            monotonicity(
              rewrite(
                ( ( ~ rearsegP(U,V)
                  | ~ ssList(V) )
              <=> ( ~ ssList(V)
                  | ~ rearsegP(U,V) ) )),
              ( ( ~ rearsegP(U,V)
                | ~ ssList(V)
                | ~ ssList(U) )
            <=> ( ~ ssList(V)
                | ~ rearsegP(U,V)
                | ~ ssList(U) ) )),
            rewrite(
              ( ( ~ ssList(V)
                | ~ rearsegP(U,V)
                | ~ ssList(U) )
            <=> ( ~ ssList(U)
                | ~ ssList(V)
                | ~ rearsegP(U,V) ) )),
            ( ( ~ rearsegP(U,V)
              | ~ ssList(V)
              | ~ ssList(U) )
          <=> ( ~ ssList(U)
              | ~ ssList(V)
              | ~ rearsegP(U,V) ) )),
          ( ( ~ rearsegP(U,V)
            | ~ ssList(V)
            | ~ ssList(U)
            | ( app(skaf46(U,V),V) = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) ) )),
        rewrite(
          ( ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
        <=> ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) ) )),
        ( ( ~ rearsegP(U,V)
          | ~ ssList(V)
          | ~ ssList(U)
          | ( app(skaf46(U,V),V) = U ) )
      <=> ( ~ ssList(U)
          | ~ ssList(V)
          | ~ rearsegP(U,V)
          | ( app(skaf46(U,V),V) = U ) ) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [V: $i,U: $i] :
        ( ~ rearsegP(U,V)
        | ~ ssList(V)
        | ~ ssList(U)
        | ( app(skaf46(U,V),V) = U ) )
  <=> ! [V: $i,U: $i] :
        ( ~ ssList(U)
        | ~ ssList(V)
        | ~ rearsegP(U,V)
        | ( app(skaf46(U,V),V) = U ) ) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,axiom,
    ! [V: $i,U: $i] :
      ( ~ rearsegP(U,V)
      | ~ ssList(V)
      | ~ ssList(U)
      | ( app(skaf46(U,V),V) = U ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause131) ).

tff(31,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ rearsegP(U,V)
      | ( app(skaf46(U,V),V) = U ) ),
    inference(modus_ponens,[status(thm)],[30,29]) ).

tff(32,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ rearsegP(U,V)
      | ( app(skaf46(U,V),V) = U ) ),
    inference(modus_ponens,[status(thm)],[31,27]) ).

tff(33,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ rearsegP(U,V)
      | ( app(skaf46(U,V),V) = U ) ),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [V: $i,U: $i] :
      ( ~ ssList(U)
      | ~ ssList(V)
      | ~ rearsegP(U,V)
      | ( app(skaf46(U,V),V) = U ) ),
    inference(modus_ponens,[status(thm)],[33,26]) ).

tff(35,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,plain,
    ( ( ~ ssList(sk4)
      | ~ ssList(sk3)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) )
  <=> ( ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(37,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk4)
      | ~ ssList(sk3)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ) ),
    inference(monotonicity,[status(thm)],[36]) ).

tff(38,plain,
    ( ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk4)
      | ~ ssList(sk3)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) )
  <=> ( ~ ! [V: $i,U: $i] :
            ( ~ ssList(U)
            | ~ ssList(V)
            | ~ rearsegP(U,V)
            | ( app(skaf46(U,V),V) = U ) )
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ rearsegP(sk4,sk3)
      | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ) ),
    inference(transitivity,[status(thm)],[37,35]) ).

tff(39,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ rearsegP(U,V)
          | ( app(skaf46(U,V),V) = U ) )
    | ~ ssList(sk4)
    | ~ ssList(sk3)
    | ~ rearsegP(sk4,sk3)
    | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(40,plain,
    ( ~ ! [V: $i,U: $i] :
          ( ~ ssList(U)
          | ~ ssList(V)
          | ~ rearsegP(U,V)
          | ( app(skaf46(U,V),V) = U ) )
    | ~ ssList(sk3)
    | ~ ssList(sk4)
    | ~ rearsegP(sk4,sk3)
    | ( app(skaf46(sk4,sk3),sk3) = sk4 ) ),
    inference(modus_ponens,[status(thm)],[39,38]) ).

tff(41,plain,
    app(skaf46(sk4,sk3),sk3) = sk4,
    inference(unit_resolution,[status(thm)],[40,34,24,5,19]) ).

tff(42,plain,
    app(app(skaf46(sk4,sk3),sk3),nil) = app(sk4,nil),
    inference(monotonicity,[status(thm)],[41]) ).

tff(43,plain,
    app(app(skaf46(sk4,sk3),sk3),nil) = sk4,
    inference(transitivity,[status(thm)],[42,16]) ).

tff(44,plain,
    ^ [V: $i,U: $i] :
      refl(
        ( ssList(skaf46(U,V))
      <=> ssList(skaf46(U,V)) )),
    inference(bind,[status(th)],]) ).

tff(45,plain,
    ( ! [V: $i,U: $i] : ssList(skaf46(U,V))
  <=> ! [V: $i,U: $i] : ssList(skaf46(U,V)) ),
    inference(quant_intro,[status(thm)],[44]) ).

tff(46,plain,
    ( ! [V: $i,U: $i] : ssList(skaf46(U,V))
  <=> ! [V: $i,U: $i] : ssList(skaf46(U,V)) ),
    inference(rewrite,[status(thm)],]) ).

tff(47,axiom,
    ! [V: $i,U: $i] : ssList(skaf46(U,V)),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause50) ).

tff(48,plain,
    ! [V: $i,U: $i] : ssList(skaf46(U,V)),
    inference(modus_ponens,[status(thm)],[47,46]) ).

tff(49,plain,
    ! [V: $i,U: $i] : ssList(skaf46(U,V)),
    inference(skolemize,[status(sab)],[48]) ).

tff(50,plain,
    ! [V: $i,U: $i] : ssList(skaf46(U,V)),
    inference(modus_ponens,[status(thm)],[49,45]) ).

tff(51,plain,
    ( ~ ! [V: $i,U: $i] : ssList(skaf46(U,V))
    | ssList(skaf46(sk4,sk3)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(52,plain,
    ssList(skaf46(sk4,sk3)),
    inference(unit_resolution,[status(thm)],[51,50]) ).

tff(53,plain,
    ( ~ segmentP(sk2,sk1)
  <=> ~ segmentP(sk4,sk3) ),
    inference(rewrite,[status(thm)],]) ).

tff(54,plain,
    ( ~ segmentP(sk2,sk1)
  <=> ~ segmentP(sk2,sk1) ),
    inference(rewrite,[status(thm)],]) ).

tff(55,axiom,
    ~ segmentP(sk2,sk1),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',co1_8) ).

tff(56,plain,
    ~ segmentP(sk2,sk1),
    inference(modus_ponens,[status(thm)],[55,54]) ).

tff(57,plain,
    ~ segmentP(sk4,sk3),
    inference(modus_ponens,[status(thm)],[56,53]) ).

tff(58,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(59,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)],[58]) ).

tff(60,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(61,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(62,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)],[61]) ).

tff(63,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(64,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)],[63,62]) ).

tff(65,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)],[64,60]) ).

tff(66,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)],[65]) ).

tff(67,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)],[66,59]) ).

tff(68,plain,
    ( ssList(nil)
  <=> ssList(nil) ),
    inference(rewrite,[status(thm)],]) ).

tff(69,axiom,
    ssList(nil),
    file('/export/starexec/sandbox/benchmark/Axioms/SWC001-0.ax',clause8) ).

tff(70,plain,
    ssList(nil),
    inference(modus_ponens,[status(thm)],[69,68]) ).

tff(71,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 ) )
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) )
  <=> ( ~ ! [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 ) )
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(72,plain,
    ( ( ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ~ ssList(sk3)
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) )
  <=> ( segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(73,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(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ~ ssList(sk3)
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) )
  <=> ( ~ ! [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 ) )
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ) ),
    inference(monotonicity,[status(thm)],[72]) ).

tff(74,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(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ~ ssList(sk3)
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) )
  <=> ( ~ ! [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 ) )
      | segmentP(sk4,sk3)
      | ~ ssList(nil)
      | ~ ssList(sk3)
      | ~ ssList(sk4)
      | ~ ssList(skaf46(sk4,sk3))
      | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ) ),
    inference(transitivity,[status(thm)],[73,71]) ).

tff(75,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(sk4)
    | ~ ssList(skaf46(sk4,sk3))
    | ~ ssList(sk3)
    | segmentP(sk4,sk3)
    | ~ ssList(nil)
    | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(76,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 ) )
    | segmentP(sk4,sk3)
    | ~ ssList(nil)
    | ~ ssList(sk3)
    | ~ ssList(sk4)
    | ~ ssList(skaf46(sk4,sk3))
    | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ),
    inference(modus_ponens,[status(thm)],[75,74]) ).

tff(77,plain,
    ( ~ ssList(skaf46(sk4,sk3))
    | ( app(app(skaf46(sk4,sk3),sk3),nil) != sk4 ) ),
    inference(unit_resolution,[status(thm)],[76,70,67,24,5,57]) ).

tff(78,plain,
    app(app(skaf46(sk4,sk3),sk3),nil) != sk4,
    inference(unit_resolution,[status(thm)],[77,52]) ).

tff(79,plain,
    $false,
    inference(unit_resolution,[status(thm)],[78,43]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SWC373-1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.14  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.15/0.35  % Computer : n001.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit : 300
% 0.15/0.35  % WCLimit  : 300
% 0.15/0.35  % DateTime : Sun Sep  4 00:48:26 EDT 2022
% 0.15/0.35  % CPUTime  : 
% 0.15/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.15/0.35  Usage: tptp [options] [-file:]file
% 0.15/0.35    -h, -?       prints this message.
% 0.15/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.15/0.35    -m, -model   generate model.
% 0.15/0.35    -p, -proof   generate proof.
% 0.15/0.35    -c, -core    generate unsat core of named formulas.
% 0.15/0.35    -st, -statistics display statistics.
% 0.15/0.35    -t:timeout   set timeout (in second).
% 0.15/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.15/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.15/0.35    -<param>:<value> configuration parameter and value.
% 0.15/0.35    -o:<output-file> file to place output in.
% 0.22/0.46  % SZS status Unsatisfiable
% 0.22/0.46  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------