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Z3---4.15.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : Z3---4.15.1
% Problem  : NUM468+2 : TPTP v9.0.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_E %s %d THM

% Computer : n010.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 : Sat Jun 21 05:21:05 AM UTC 2025

% Result   : Theorem 0.12s 0.38s
% Output   : Proof 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   17
% Syntax   : Number of formulae    :   48 (  20 unt;   0 typ;   0 def)
%            Number of atoms       :  294 ( 115 equ)
%            Maximal formula atoms :   20 (   6 avg)
%            Number of connectives :  396 ( 173   ~; 111   |;  75   &)
%                                         (  25 <=>;  12  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   4 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of FOOLs       :   23 (  23 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :   63 (  54   !;   0   ?;  63   :)

% Comments : 
%------------------------------------------------------------------------------
tff(sdtasdt0_type,type,
    sdtasdt0: ( $i * $i ) > $i ).

tff(sdtpldt0_type,type,
    sdtpldt0: ( $i * $i ) > $i ).

tff(sdtsldt0_type,type,
    sdtsldt0: ( $i * $i ) > $i ).

tff(xl_type,type,
    xl: $i ).

tff(xn_type,type,
    xn: $i ).

tff(xm_type,type,
    xm: $i ).

tff(aNaturalNumber0_type,type,
    aNaturalNumber0: $i > $o ).

tff(sz00_type,type,
    sz00: $i ).

tff(1,plain,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
  <=> aNaturalNumber0(sdtsldt0(xm,xl)) ),
    inference(rewrite,[status(thm)],[]) ).

tff(2,plain,
    ( ~ ( ( xl != sz00 )
       => ( ( aNaturalNumber0(sdtsldt0(xm,xl))
            & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) )
         => ( ( aNaturalNumber0(sdtsldt0(xn,xl))
              & ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) )
           => ( sdtpldt0(xm,xn) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) ) ) ) )
  <=> ~ ( ( xl = sz00 )
        | ( sdtpldt0(xm,xn) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) )
        | ~ ( aNaturalNumber0(sdtsldt0(xn,xl))
            & ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) )
        | ~ ( aNaturalNumber0(sdtsldt0(xm,xl))
            & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(3,axiom,
    ~ ( ( xl != sz00 )
     => ( ( aNaturalNumber0(sdtsldt0(xm,xl))
          & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) )
       => ( ( aNaturalNumber0(sdtsldt0(xn,xl))
            & ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) )
         => ( sdtpldt0(xm,xn) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__) ).

tff(4,plain,
    ~ ( ( xl = sz00 )
      | ( sdtpldt0(xm,xn) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) )
      | ~ ( aNaturalNumber0(sdtsldt0(xn,xl))
          & ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) )
      | ~ ( aNaturalNumber0(sdtsldt0(xm,xl))
          & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ) ),
    inference(modus_ponens,[status(thm)],[3,2]) ).

tff(5,plain,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
    & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ),
    inference(or_elim,[status(thm)],[4]) ).

tff(6,plain,
    aNaturalNumber0(sdtsldt0(xm,xl)),
    inference(and_elim,[status(thm)],[5]) ).

tff(7,plain,
    aNaturalNumber0(sdtsldt0(xm,xl)),
    inference(modus_ponens,[status(thm)],[6,1]) ).

tff(8,plain,
    ( aNaturalNumber0(sdtsldt0(xn,xl))
  <=> aNaturalNumber0(sdtsldt0(xn,xl)) ),
    inference(rewrite,[status(thm)],[]) ).

tff(9,plain,
    ( aNaturalNumber0(sdtsldt0(xn,xl))
    & ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) ),
    inference(or_elim,[status(thm)],[4]) ).

tff(10,plain,
    aNaturalNumber0(sdtsldt0(xn,xl)),
    inference(and_elim,[status(thm)],[9]) ).

tff(11,plain,
    aNaturalNumber0(sdtsldt0(xn,xl)),
    inference(modus_ponens,[status(thm)],[10,8]) ).

tff(12,plain,
    ( aNaturalNumber0(xl)
  <=> aNaturalNumber0(xl) ),
    inference(rewrite,[status(thm)],[]) ).

tff(13,axiom,
    ( aNaturalNumber0(xl)
    & aNaturalNumber0(xm)
    & aNaturalNumber0(xn) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1240) ).

tff(14,plain,
    ( aNaturalNumber0(xl)
    & aNaturalNumber0(xm) ),
    inference(and_elim,[status(thm)],[13]) ).

tff(15,plain,
    aNaturalNumber0(xl),
    inference(and_elim,[status(thm)],[14]) ).

tff(16,plain,
    aNaturalNumber0(xl),
    inference(modus_ponens,[status(thm)],[15,12]) ).

tff(17,plain,
    ^ [W0: $i,W1: $i,W2: $i] :
      refl(( ( ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0)
          | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
      <=> ( ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0)
          | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(18,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ~ aNaturalNumber0(W2)
        | ~ aNaturalNumber0(W1)
        | ~ aNaturalNumber0(W0)
        | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ~ aNaturalNumber0(W2)
        | ~ aNaturalNumber0(W1)
        | ~ aNaturalNumber0(W0)
        | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) ),
    inference(quant_intro,[status(thm)],[17]) ).

tff(19,plain,
    ^ [W0: $i,W1: $i,W2: $i] :
      trans(monotonicity(trans(monotonicity(rewrite(( ( aNaturalNumber0(W0)
                  & aNaturalNumber0(W1)
                  & aNaturalNumber0(W2) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) ) )),
              ( ~ ( aNaturalNumber0(W0)
                  & aNaturalNumber0(W1)
                  & aNaturalNumber0(W2) )
            <=> ~ ~ ( ~ aNaturalNumber0(W2)
                    | ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) ) )),
            rewrite(( ~ ~ ( ~ aNaturalNumber0(W2)
                    | ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) )
            <=> ( ~ aNaturalNumber0(W2)
                | ~ aNaturalNumber0(W1)
                | ~ aNaturalNumber0(W0) ) )),
            ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1)
                & aNaturalNumber0(W2) )
          <=> ( ~ aNaturalNumber0(W2)
              | ~ aNaturalNumber0(W1)
              | ~ aNaturalNumber0(W0) ) )),
          rewrite(( ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) )
          <=> ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )),
          ( ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1)
                & aNaturalNumber0(W2) )
            | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
        <=> ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
        rewrite(( ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
        <=> ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
        ( ( ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
          | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
      <=> ( ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0)
          | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(20,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
        | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ~ aNaturalNumber0(W2)
        | ~ aNaturalNumber0(W1)
        | ~ aNaturalNumber0(W0)
        | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) ),
    inference(quant_intro,[status(thm)],[19]) ).

tff(21,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
        | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
        | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(22,plain,
    ^ [W0: $i,W1: $i,W2: $i] :
      trans(monotonicity(rewrite(( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
          <=> ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) ) )),
          ( ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
           => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
        <=> ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
           => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
        rewrite(( ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
           => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
        <=> ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1)
                & aNaturalNumber0(W2) )
            | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
        ( ( ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
         => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
      <=> ( ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
          | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
            & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) )),
    inference(bind,[status(th)],[]) ).

tff(23,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
       => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
        | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ) ),
    inference(quant_intro,[status(thm)],[22]) ).

tff(24,axiom,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ( aNaturalNumber0(W0)
        & aNaturalNumber0(W1)
        & aNaturalNumber0(W2) )
     => ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
        & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mAMDistr) ).

tff(25,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
      | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
        & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
      | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
        & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    inference(modus_ponens,[status(thm)],[25,21]) ).

tff(27,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
      | ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) = sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
        & ( sdtasdt0(sdtpldt0(W1,W2),W0) = sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    inference(skolemize,[status(sab)],[26]) ).

tff(28,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ aNaturalNumber0(W2)
      | ~ aNaturalNumber0(W1)
      | ~ aNaturalNumber0(W0)
      | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    inference(modus_ponens,[status(thm)],[27,20]) ).

tff(29,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ aNaturalNumber0(W2)
      | ~ aNaturalNumber0(W1)
      | ~ aNaturalNumber0(W0)
      | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
          | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) ),
    inference(modus_ponens,[status(thm)],[28,18]) ).

tff(30,plain,
    ( ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
      | ~ aNaturalNumber0(sdtsldt0(xn,xl))
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ~ aNaturalNumber0(xl)
      | ~ ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
          | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) ) ) )
  <=> ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
                | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
      | ~ aNaturalNumber0(sdtsldt0(xn,xl))
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ~ aNaturalNumber0(xl)
      | ~ ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
          | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) ) ) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(31,plain,
    ( ~ ! [W0: $i,W1: $i,W2: $i] :
          ( ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0)
          | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
    | ~ aNaturalNumber0(sdtsldt0(xn,xl))
    | ~ aNaturalNumber0(sdtsldt0(xm,xl))
    | ~ aNaturalNumber0(xl)
    | ~ ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
        | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) ) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(32,plain,
    ( ~ ! [W0: $i,W1: $i,W2: $i] :
          ( ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0)
          | ~ ( ( sdtasdt0(W0,sdtpldt0(W1,W2)) != sdtpldt0(sdtasdt0(W0,W1),sdtasdt0(W0,W2)) )
              | ( sdtasdt0(sdtpldt0(W1,W2),W0) != sdtpldt0(sdtasdt0(W1,W0),sdtasdt0(W2,W0)) ) ) )
    | ~ aNaturalNumber0(sdtsldt0(xn,xl))
    | ~ aNaturalNumber0(sdtsldt0(xm,xl))
    | ~ aNaturalNumber0(xl)
    | ~ ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
        | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) ) ) ),
    inference(modus_ponens,[status(thm)],[31,30]) ).

tff(33,plain,
    ~ ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
      | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) ) ),
    inference(unit_resolution,[status(thm)],[32,29,16,11,7]) ).

tff(34,plain,
    ( ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) != sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) )
    | ( sdtasdt0(sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl)),xl) != sdtpldt0(sdtasdt0(sdtsldt0(xm,xl),xl),sdtasdt0(sdtsldt0(xn,xl),xl)) )
    | ( sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) = sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) ) ),
    inference(tautology,[status(thm)],[]) ).

tff(35,plain,
    sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) = sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))),
    inference(unit_resolution,[status(thm)],[34,33]) ).

tff(36,plain,
    sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))),
    inference(symmetry,[status(thm)],[35]) ).

tff(37,plain,
    ( ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) )
  <=> ( xn = sdtasdt0(xl,sdtsldt0(xn,xl)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(38,plain,
    xn = sdtasdt0(xl,sdtsldt0(xn,xl)),
    inference(and_elim,[status(thm)],[9]) ).

tff(39,plain,
    xn = sdtasdt0(xl,sdtsldt0(xn,xl)),
    inference(modus_ponens,[status(thm)],[38,37]) ).

tff(40,plain,
    ( ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) )
  <=> ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(41,plain,
    xm = sdtasdt0(xl,sdtsldt0(xm,xl)),
    inference(and_elim,[status(thm)],[5]) ).

tff(42,plain,
    xm = sdtasdt0(xl,sdtsldt0(xm,xl)),
    inference(modus_ponens,[status(thm)],[41,40]) ).

tff(43,plain,
    sdtpldt0(xm,xn) = sdtpldt0(sdtasdt0(xl,sdtsldt0(xm,xl)),sdtasdt0(xl,sdtsldt0(xn,xl))),
    inference(monotonicity,[status(thm)],[42,39]) ).

tff(44,plain,
    sdtpldt0(xm,xn) = sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))),
    inference(transitivity,[status(thm)],[43,36]) ).

tff(45,plain,
    ( ( sdtpldt0(xm,xn) != sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) )
  <=> ( sdtpldt0(xm,xn) != sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(46,plain,
    sdtpldt0(xm,xn) != sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))),
    inference(or_elim,[status(thm)],[4]) ).

tff(47,plain,
    sdtpldt0(xm,xn) != sdtasdt0(xl,sdtpldt0(sdtsldt0(xm,xl),sdtsldt0(xn,xl))),
    inference(modus_ponens,[status(thm)],[46,45]) ).

tff(48,plain,
    $false,
    inference(unit_resolution,[status(thm)],[47,44]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : NUM468+2 : TPTP v9.0.0. Released v4.0.0.
% 0.11/0.12  % Command    : run_E %s %d THM
% 0.12/0.33  % Computer : n010.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit   : 300
% 0.12/0.33  % WCLimit    : 300
% 0.12/0.33  % DateTime   : Fri Jun 20 01:14:56 EDT 2025
% 0.12/0.33  % CPUTime    : 
% 0.12/0.38  % SZS status Theorem
% 0.12/0.38  % SZS output start Proof
% See solution above
% 0.12/0.40  % E exiting
%------------------------------------------------------------------------------