TSTP Solution File: NUM489+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : NUM489+1 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n028.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 : Sun Sep 18 13:10:01 EDT 2022

% Result   : Theorem 0.19s 0.43s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   30
% Syntax   : Number of formulae    :   61 (  16 unt;   8 typ;   0 def)
%            Number of atoms       :  460 ( 166 equ)
%            Maximal formula atoms :   24 (   8 avg)
%            Number of connectives :  735 ( 355   ~; 214   |;  44   &)
%                                         ( 111 <=>;  11  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of FOOLs       :   27 (  27 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :   12 (   9 usr;   2 prp; 0-3 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :  126 ( 117   !;   0   ?; 126   :)

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

tff(sdtmndt0_type,type,
    sdtmndt0: ( $i * $i ) > $i ).

tff(xp_type,type,
    xp: $i ).

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

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

tff(sdtlseqdt0_type,type,
    sdtlseqdt0: ( $i * $i ) > $o ).

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

tff(xr_type,type,
    xr: $i ).

tff(1,plain,
    ( sdtlseqdt0(xp,xn)
  <=> sdtlseqdt0(xp,xn) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,axiom,
    sdtlseqdt0(xp,xn),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1870) ).

tff(3,plain,
    sdtlseqdt0(xp,xn),
    inference(modus_ponens,[status(thm)],[2,1]) ).

tff(4,plain,
    ( aNaturalNumber0(xp)
  <=> aNaturalNumber0(xp) ),
    inference(rewrite,[status(thm)],]) ).

tff(5,axiom,
    ( aNaturalNumber0(xn)
    & aNaturalNumber0(xm)
    & aNaturalNumber0(xp) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1837) ).

tff(6,plain,
    aNaturalNumber0(xp),
    inference(and_elim,[status(thm)],[5]) ).

tff(7,plain,
    aNaturalNumber0(xp),
    inference(modus_ponens,[status(thm)],[6,4]) ).

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

tff(9,plain,
    ( aNaturalNumber0(xn)
    & aNaturalNumber0(xm) ),
    inference(and_elim,[status(thm)],[5]) ).

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

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

tff(12,plain,
    ^ [W0: $i,W1: $i] :
      refl(
        ( ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      <=> ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(13,plain,
    ( ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) )
  <=> ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) ) ),
    inference(quant_intro,[status(thm)],[12]) ).

tff(14,plain,
    ^ [W0: $i,W1: $i] :
      rewrite(
        ( ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      <=> ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(15,plain,
    ( ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) )
  <=> ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) ) ),
    inference(quant_intro,[status(thm)],[14]) ).

tff(16,plain,
    ( ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) )
  <=> ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) ) ),
    inference(transitivity,[status(thm)],[15,13]) ).

tff(17,plain,
    ^ [W0: $i,W1: $i] :
      trans(
        monotonicity(
          quant_intro(
            proof_bind(
              ^ [W2: $i] :
                rewrite(
                  ( ( ( W2 = sdtmndt0(W1,W0) )
                  <=> ( aNaturalNumber0(W2)
                      & ( sdtpldt0(W0,W2) = W1 ) ) )
                <=> ( ( W2 = sdtmndt0(W1,W0) )
                  <=> ~ ( ~ aNaturalNumber0(W2)
                        | ( sdtpldt0(W0,W2) != W1 ) ) ) ))),
            ( ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ( aNaturalNumber0(W2)
                  & ( sdtpldt0(W0,W2) = W1 ) ) )
          <=> ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )),
          trans(
            monotonicity(
              rewrite(
                ( ( aNaturalNumber0(W0)
                  & aNaturalNumber0(W1) )
              <=> ~ ( ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) ) )),
              ( ~ ( aNaturalNumber0(W0)
                  & aNaturalNumber0(W1) )
            <=> ~ ~ ( ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) ) )),
            rewrite(
              ( ~ ~ ( ~ aNaturalNumber0(W1)
                    | ~ aNaturalNumber0(W0) )
            <=> ( ~ aNaturalNumber0(W1)
                | ~ aNaturalNumber0(W0) ) )),
            ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1) )
          <=> ( ~ aNaturalNumber0(W1)
              | ~ aNaturalNumber0(W0) ) )),
          ( ( ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ( aNaturalNumber0(W2)
                  & ( sdtpldt0(W0,W2) = W1 ) ) )
            | ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1) )
            | ~ sdtlseqdt0(W0,W1) )
        <=> ( ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) )
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ sdtlseqdt0(W0,W1) ) )),
        rewrite(
          ( ( ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) )
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ~ sdtlseqdt0(W0,W1) )
        <=> ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) ) )),
        ( ( ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ( aNaturalNumber0(W2)
                & ( sdtpldt0(W0,W2) = W1 ) ) )
          | ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1) )
          | ~ sdtlseqdt0(W0,W1) )
      <=> ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(18,plain,
    ( ! [W0: $i,W1: $i] :
        ( ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ( aNaturalNumber0(W2)
              & ( sdtpldt0(W0,W2) = W1 ) ) )
        | ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1) )
        | ~ sdtlseqdt0(W0,W1) )
  <=> ! [W0: $i,W1: $i] :
        ( ~ aNaturalNumber0(W1)
        | ~ sdtlseqdt0(W0,W1)
        | ~ aNaturalNumber0(W0)
        | ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(W0,W2) != W1 ) ) ) ) ),
    inference(quant_intro,[status(thm)],[17]) ).

tff(19,plain,
    ( ! [W0: $i,W1: $i] :
        ( ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ( aNaturalNumber0(W2)
              & ( sdtpldt0(W0,W2) = W1 ) ) )
        | ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1) )
        | ~ sdtlseqdt0(W0,W1) )
  <=> ! [W0: $i,W1: $i] :
        ( ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ( aNaturalNumber0(W2)
              & ( sdtpldt0(W0,W2) = W1 ) ) )
        | ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1) )
        | ~ sdtlseqdt0(W0,W1) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(20,plain,
    ^ [W0: $i,W1: $i] :
      trans(
        monotonicity(
          rewrite(
            ( ( sdtlseqdt0(W0,W1)
             => ! [W2: $i] :
                  ( ( W2 = sdtmndt0(W1,W0) )
                <=> ( aNaturalNumber0(W2)
                    & ( sdtpldt0(W0,W2) = W1 ) ) ) )
          <=> ( ~ sdtlseqdt0(W0,W1)
              | ! [W2: $i] :
                  ( ( W2 = sdtmndt0(W1,W0) )
                <=> ( aNaturalNumber0(W2)
                    & ( sdtpldt0(W0,W2) = W1 ) ) ) ) )),
          ( ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1) )
           => ( sdtlseqdt0(W0,W1)
             => ! [W2: $i] :
                  ( ( W2 = sdtmndt0(W1,W0) )
                <=> ( aNaturalNumber0(W2)
                    & ( sdtpldt0(W0,W2) = W1 ) ) ) ) )
        <=> ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1) )
           => ( ~ sdtlseqdt0(W0,W1)
              | ! [W2: $i] :
                  ( ( W2 = sdtmndt0(W1,W0) )
                <=> ( aNaturalNumber0(W2)
                    & ( sdtpldt0(W0,W2) = W1 ) ) ) ) ) )),
        rewrite(
          ( ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1) )
           => ( ~ sdtlseqdt0(W0,W1)
              | ! [W2: $i] :
                  ( ( W2 = sdtmndt0(W1,W0) )
                <=> ( aNaturalNumber0(W2)
                    & ( sdtpldt0(W0,W2) = W1 ) ) ) ) )
        <=> ( ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ( aNaturalNumber0(W2)
                  & ( sdtpldt0(W0,W2) = W1 ) ) )
            | ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1) )
            | ~ sdtlseqdt0(W0,W1) ) )),
        ( ( ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1) )
         => ( sdtlseqdt0(W0,W1)
           => ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ( aNaturalNumber0(W2)
                  & ( sdtpldt0(W0,W2) = W1 ) ) ) ) )
      <=> ( ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ( aNaturalNumber0(W2)
                & ( sdtpldt0(W0,W2) = W1 ) ) )
          | ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1) )
          | ~ sdtlseqdt0(W0,W1) ) )),
    inference(bind,[status(th)],]) ).

tff(21,plain,
    ( ! [W0: $i,W1: $i] :
        ( ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1) )
       => ( sdtlseqdt0(W0,W1)
         => ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ( aNaturalNumber0(W2)
                & ( sdtpldt0(W0,W2) = W1 ) ) ) ) )
  <=> ! [W0: $i,W1: $i] :
        ( ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ( aNaturalNumber0(W2)
              & ( sdtpldt0(W0,W2) = W1 ) ) )
        | ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1) )
        | ~ sdtlseqdt0(W0,W1) ) ),
    inference(quant_intro,[status(thm)],[20]) ).

tff(22,axiom,
    ! [W0: $i,W1: $i] :
      ( ( aNaturalNumber0(W0)
        & aNaturalNumber0(W1) )
     => ( sdtlseqdt0(W0,W1)
       => ! [W2: $i] :
            ( ( W2 = sdtmndt0(W1,W0) )
          <=> ( aNaturalNumber0(W2)
              & ( sdtpldt0(W0,W2) = W1 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mDefDiff) ).

tff(23,plain,
    ! [W0: $i,W1: $i] :
      ( ! [W2: $i] :
          ( ( W2 = sdtmndt0(W1,W0) )
        <=> ( aNaturalNumber0(W2)
            & ( sdtpldt0(W0,W2) = W1 ) ) )
      | ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1) )
      | ~ sdtlseqdt0(W0,W1) ),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ! [W0: $i,W1: $i] :
      ( ! [W2: $i] :
          ( ( W2 = sdtmndt0(W1,W0) )
        <=> ( aNaturalNumber0(W2)
            & ( sdtpldt0(W0,W2) = W1 ) ) )
      | ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1) )
      | ~ sdtlseqdt0(W0,W1) ),
    inference(modus_ponens,[status(thm)],[23,19]) ).

tff(25,plain,
    ! [W0: $i,W1: $i] :
      ( ! [W2: $i] :
          ( ( W2 = sdtmndt0(W1,W0) )
        <=> ( aNaturalNumber0(W2)
            & ( sdtpldt0(W0,W2) = W1 ) ) )
      | ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1) )
      | ~ sdtlseqdt0(W0,W1) ),
    inference(skolemize,[status(sab)],[24]) ).

tff(26,plain,
    ! [W0: $i,W1: $i] :
      ( ~ aNaturalNumber0(W1)
      | ~ sdtlseqdt0(W0,W1)
      | ~ aNaturalNumber0(W0)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(W1,W0) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(W0,W2) != W1 ) ) ) ),
    inference(modus_ponens,[status(thm)],[25,18]) ).

tff(27,plain,
    ! [W0: $i,W1: $i] :
      ( ~ aNaturalNumber0(W1)
      | ~ sdtlseqdt0(W0,W1)
      | ~ aNaturalNumber0(W0)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(W1,W0) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(W0,W2) != W1 ) ) ) ),
    inference(modus_ponens,[status(thm)],[26,16]) ).

tff(28,plain,
    ( ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xp)
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) )
  <=> ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xp)
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(29,plain,
    ( ( ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ~ aNaturalNumber0(xp)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) )
  <=> ( ~ aNaturalNumber0(xp)
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,plain,
    ( ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ~ aNaturalNumber0(xp)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) )
  <=> ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xp)
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) ) ),
    inference(monotonicity,[status(thm)],[29]) ).

tff(31,plain,
    ( ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ~ aNaturalNumber0(xp)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) )
  <=> ( ~ ! [W0: $i,W1: $i] :
            ( ~ aNaturalNumber0(W1)
            | ~ sdtlseqdt0(W0,W1)
            | ~ aNaturalNumber0(W0)
            | ! [W2: $i] :
                ( ( W2 = sdtmndt0(W1,W0) )
              <=> ~ ( ~ aNaturalNumber0(W2)
                    | ( sdtpldt0(W0,W2) != W1 ) ) ) )
      | ~ aNaturalNumber0(xp)
      | ~ aNaturalNumber0(xn)
      | ~ sdtlseqdt0(xp,xn)
      | ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) ) ) ),
    inference(transitivity,[status(thm)],[30,28]) ).

tff(32,plain,
    ( ~ ! [W0: $i,W1: $i] :
          ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) )
    | ~ aNaturalNumber0(xn)
    | ~ sdtlseqdt0(xp,xn)
    | ~ aNaturalNumber0(xp)
    | ! [W2: $i] :
        ( ( W2 = sdtmndt0(xn,xp) )
      <=> ~ ( ~ aNaturalNumber0(W2)
            | ( sdtpldt0(xp,W2) != xn ) ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(33,plain,
    ( ~ ! [W0: $i,W1: $i] :
          ( ~ aNaturalNumber0(W1)
          | ~ sdtlseqdt0(W0,W1)
          | ~ aNaturalNumber0(W0)
          | ! [W2: $i] :
              ( ( W2 = sdtmndt0(W1,W0) )
            <=> ~ ( ~ aNaturalNumber0(W2)
                  | ( sdtpldt0(W0,W2) != W1 ) ) ) )
    | ~ aNaturalNumber0(xp)
    | ~ aNaturalNumber0(xn)
    | ~ sdtlseqdt0(xp,xn)
    | ! [W2: $i] :
        ( ( W2 = sdtmndt0(xn,xp) )
      <=> ~ ( ~ aNaturalNumber0(W2)
            | ( sdtpldt0(xp,W2) != xn ) ) ) ),
    inference(modus_ponens,[status(thm)],[32,31]) ).

tff(34,plain,
    ! [W2: $i] :
      ( ( W2 = sdtmndt0(xn,xp) )
    <=> ~ ( ~ aNaturalNumber0(W2)
          | ( sdtpldt0(xp,W2) != xn ) ) ),
    inference(unit_resolution,[status(thm)],[33,27,11,7,3]) ).

tff(35,plain,
    ( ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) )
  <=> ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,plain,
    ( ( $true
    <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) )
  <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
        | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(37,plain,
    ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
  <=> $true ),
    inference(rewrite,[status(thm)],]) ).

tff(38,plain,
    ( ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
    <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) )
  <=> ( $true
    <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) ),
    inference(monotonicity,[status(thm)],[37]) ).

tff(39,plain,
    ( ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
    <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) )
  <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
        | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ),
    inference(transitivity,[status(thm)],[38,36]) ).

tff(40,plain,
    ( ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
      <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
            | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) )
  <=> ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) ),
    inference(monotonicity,[status(thm)],[39]) ).

tff(41,plain,
    ( ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
      <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
            | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) )
  <=> ( ~ ! [W2: $i] :
            ( ( W2 = sdtmndt0(xn,xp) )
          <=> ~ ( ~ aNaturalNumber0(W2)
                | ( sdtpldt0(xp,W2) != xn ) ) )
      | ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) ),
    inference(transitivity,[status(thm)],[40,35]) ).

tff(42,plain,
    ( ~ ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) )
    | ( ( sdtmndt0(xn,xp) = sdtmndt0(xn,xp) )
    <=> ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
          | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(43,plain,
    ( ~ ! [W2: $i] :
          ( ( W2 = sdtmndt0(xn,xp) )
        <=> ~ ( ~ aNaturalNumber0(W2)
              | ( sdtpldt0(xp,W2) != xn ) ) )
    | ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
        | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ) ),
    inference(modus_ponens,[status(thm)],[42,41]) ).

tff(44,plain,
    ~ ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
      | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn ) ),
    inference(unit_resolution,[status(thm)],[43,34]) ).

tff(45,plain,
    ( ~ aNaturalNumber0(sdtmndt0(xn,xp))
    | ( sdtpldt0(xp,sdtmndt0(xn,xp)) != xn )
    | ( sdtpldt0(xp,sdtmndt0(xn,xp)) = xn ) ),
    inference(tautology,[status(thm)],]) ).

tff(46,plain,
    sdtpldt0(xp,sdtmndt0(xn,xp)) = xn,
    inference(unit_resolution,[status(thm)],[45,44]) ).

tff(47,plain,
    xn = sdtpldt0(xp,sdtmndt0(xn,xp)),
    inference(symmetry,[status(thm)],[46]) ).

tff(48,plain,
    ( ( xn != sdtpldt0(xp,xr) )
  <=> ( xn != sdtpldt0(xp,sdtmndt0(xn,xp)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(49,plain,
    ( ( xn != sdtpldt0(xp,xr) )
  <=> ( xn != sdtpldt0(xp,xr) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(50,axiom,
    xn != sdtpldt0(xp,xr),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__) ).

tff(51,plain,
    xn != sdtpldt0(xp,xr),
    inference(modus_ponens,[status(thm)],[50,49]) ).

tff(52,plain,
    xn != sdtpldt0(xp,sdtmndt0(xn,xp)),
    inference(modus_ponens,[status(thm)],[51,48]) ).

tff(53,plain,
    $false,
    inference(unit_resolution,[status(thm)],[52,47]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : NUM489+1 : TPTP v8.1.0. Released v4.0.0.
% 0.10/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n028.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 : Fri Sep  2 11:11:52 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.19/0.43  % SZS status Theorem
% 0.19/0.43  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------