TSTP Solution File: NUM480+2 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : NUM480+2 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n017.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 13:09:58 EDT 2022

% Result   : Theorem 0.11s 0.39s
% Output   : Proof 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   25
% Syntax   : Number of formulae    :   54 (  18 unt;   6 typ;   0 def)
%            Number of atoms       :  285 (  79 equ)
%            Maximal formula atoms :   16 (   5 avg)
%            Number of connectives :  354 ( 138   ~; 122   |;  59   &)
%                                         (  27 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of FOOLs       :   21 (  21 fml;   0 var)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    5 (   3   >;   2   *;   0   +;   0  <<)
%            Number of predicates  :    7 (   5 usr;   1 prp; 0-3 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   75 (  66   !;   0   ?;  75   :)

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

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

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

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

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

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

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

tff(2,axiom,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
    & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) )
    & aNaturalNumber0(sdtsldt0(sdtasdt0(xn,xm),xl))
    & ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) )
    & ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1594) ).

tff(3,plain,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
    & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) )
    & aNaturalNumber0(sdtsldt0(sdtasdt0(xn,xm),xl))
    & ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) ) ),
    inference(and_elim,[status(thm)],[2]) ).

tff(4,plain,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
    & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) )
    & aNaturalNumber0(sdtsldt0(sdtasdt0(xn,xm),xl)) ),
    inference(and_elim,[status(thm)],[3]) ).

tff(5,plain,
    ( aNaturalNumber0(sdtsldt0(xm,xl))
    & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ),
    inference(and_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(xn)
  <=> aNaturalNumber0(xn) ),
    inference(rewrite,[status(thm)],]) ).

tff(9,axiom,
    aNaturalNumber0(xn),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1553) ).

tff(10,plain,
    aNaturalNumber0(xn),
    inference(modus_ponens,[status(thm)],[9,8]) ).

tff(11,plain,
    ( aNaturalNumber0(xl)
  <=> aNaturalNumber0(xl) ),
    inference(rewrite,[status(thm)],]) ).

tff(12,axiom,
    ( aNaturalNumber0(xl)
    & aNaturalNumber0(xm) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__1524) ).

tff(13,plain,
    aNaturalNumber0(xl),
    inference(and_elim,[status(thm)],[12]) ).

tff(14,plain,
    aNaturalNumber0(xl),
    inference(modus_ponens,[status(thm)],[13,11]) ).

tff(15,plain,
    ^ [W0: $i,W1: $i,W2: $i] :
      refl(
        ( ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
          | ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0) )
      <=> ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
          | ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0) ) )),
    inference(bind,[status(th)],]) ).

tff(16,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
        | ~ aNaturalNumber0(W2)
        | ~ aNaturalNumber0(W1)
        | ~ aNaturalNumber0(W0) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
        | ~ aNaturalNumber0(W2)
        | ~ aNaturalNumber0(W1)
        | ~ aNaturalNumber0(W0) ) ),
    inference(quant_intro,[status(thm)],[15]) ).

tff(17,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) ) )),
          ( ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1)
                & aNaturalNumber0(W2) )
            | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
        <=> ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ) )),
        rewrite(
          ( ( ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0)
            | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
        <=> ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) ) )),
        ( ( ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
          | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
      <=> ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
          | ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0) ) )),
    inference(bind,[status(th)],]) ).

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

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

tff(20,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(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
        <=> ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
           => ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ) )),
        rewrite(
          ( ( ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
           => ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
        <=> ( ~ ( aNaturalNumber0(W0)
                & aNaturalNumber0(W1)
                & aNaturalNumber0(W2) )
            | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ) )),
        ( ( ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
         => ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
      <=> ( ~ ( aNaturalNumber0(W0)
              & aNaturalNumber0(W1)
              & aNaturalNumber0(W2) )
          | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(21,plain,
    ( ! [W0: $i,W1: $i,W2: $i] :
        ( ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
       => ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) )
  <=> ! [W0: $i,W1: $i,W2: $i] :
        ( ~ ( aNaturalNumber0(W0)
            & aNaturalNumber0(W1)
            & aNaturalNumber0(W2) )
        | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ) ),
    inference(quant_intro,[status(thm)],[20]) ).

tff(22,axiom,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ( aNaturalNumber0(W0)
        & aNaturalNumber0(W1)
        & aNaturalNumber0(W2) )
     => ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',mMulAsso) ).

tff(23,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
      | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ),
    inference(modus_ponens,[status(thm)],[22,21]) ).

tff(24,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ~ ( aNaturalNumber0(W0)
          & aNaturalNumber0(W1)
          & aNaturalNumber0(W2) )
      | ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) ) ),
    inference(modus_ponens,[status(thm)],[23,19]) ).

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

tff(26,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
      | ~ aNaturalNumber0(W2)
      | ~ aNaturalNumber0(W1)
      | ~ aNaturalNumber0(W0) ),
    inference(modus_ponens,[status(thm)],[25,18]) ).

tff(27,plain,
    ! [W0: $i,W1: $i,W2: $i] :
      ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
      | ~ aNaturalNumber0(W2)
      | ~ aNaturalNumber0(W1)
      | ~ aNaturalNumber0(W0) ),
    inference(modus_ponens,[status(thm)],[26,16]) ).

tff(28,plain,
    ( ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ~ aNaturalNumber0(xl)
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) )
  <=> ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ~ aNaturalNumber0(xl)
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(29,plain,
    ( ( ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(xl) )
  <=> ( ~ aNaturalNumber0(xl)
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(30,plain,
    ( ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(xl) )
  <=> ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ~ aNaturalNumber0(xl)
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ) ),
    inference(monotonicity,[status(thm)],[29]) ).

tff(31,plain,
    ( ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(xl) )
  <=> ( ~ ! [W0: $i,W1: $i,W2: $i] :
            ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
            | ~ aNaturalNumber0(W2)
            | ~ aNaturalNumber0(W1)
            | ~ aNaturalNumber0(W0) )
      | ~ aNaturalNumber0(xl)
      | ~ aNaturalNumber0(xn)
      | ~ aNaturalNumber0(sdtsldt0(xm,xl))
      | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ) ),
    inference(transitivity,[status(thm)],[30,28]) ).

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

tff(33,plain,
    ( ~ ! [W0: $i,W1: $i,W2: $i] :
          ( ( sdtasdt0(sdtasdt0(W0,W1),W2) = sdtasdt0(W0,sdtasdt0(W1,W2)) )
          | ~ aNaturalNumber0(W2)
          | ~ aNaturalNumber0(W1)
          | ~ aNaturalNumber0(W0) )
    | ~ aNaturalNumber0(xl)
    | ~ aNaturalNumber0(xn)
    | ~ aNaturalNumber0(sdtsldt0(xm,xl))
    | ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ),
    inference(modus_ponens,[status(thm)],[32,31]) ).

tff(34,plain,
    sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))),
    inference(unit_resolution,[status(thm)],[33,27,14,10,7]) ).

tff(35,plain,
    ( ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) )
  <=> ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xn,xm) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(36,plain,
    ( ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) )
  <=> ( sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(37,plain,
    sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)),
    inference(and_elim,[status(thm)],[2]) ).

tff(38,plain,
    sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xl,sdtsldt0(sdtasdt0(xn,xm),xl)),
    inference(modus_ponens,[status(thm)],[37,36]) ).

tff(39,plain,
    sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)) = sdtasdt0(xn,xm),
    inference(modus_ponens,[status(thm)],[38,35]) ).

tff(40,plain,
    sdtasdt0(xn,xm) = sdtasdt0(sdtasdt0(xl,xn),sdtsldt0(xm,xl)),
    inference(symmetry,[status(thm)],[39]) ).

tff(41,plain,
    sdtasdt0(xn,xm) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))),
    inference(transitivity,[status(thm)],[40,34]) ).

tff(42,plain,
    ( ( sdtasdt0(xn,xm) != sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
  <=> ( sdtasdt0(xn,xm) != sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(43,plain,
    ( ~ ( ( aNaturalNumber0(sdtsldt0(xm,xl))
          & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) )
       => ( ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
          | ( sdtasdt0(xn,sdtsldt0(xm,xl)) = sdtsldt0(sdtasdt0(xn,xm),xl) ) ) )
  <=> ~ ( ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
        | ( sdtasdt0(xn,sdtsldt0(xm,xl)) = sdtsldt0(sdtasdt0(xn,xm),xl) )
        | ~ ( aNaturalNumber0(sdtsldt0(xm,xl))
            & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(44,axiom,
    ~ ( ( aNaturalNumber0(sdtsldt0(xm,xl))
        & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) )
     => ( ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
        | ( sdtasdt0(xn,sdtsldt0(xm,xl)) = sdtsldt0(sdtasdt0(xn,xm),xl) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',m__) ).

tff(45,plain,
    ~ ( ( sdtasdt0(xn,xm) = sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))) )
      | ( sdtasdt0(xn,sdtsldt0(xm,xl)) = sdtsldt0(sdtasdt0(xn,xm),xl) )
      | ~ ( aNaturalNumber0(sdtsldt0(xm,xl))
          & ( xm = sdtasdt0(xl,sdtsldt0(xm,xl)) ) ) ),
    inference(modus_ponens,[status(thm)],[44,43]) ).

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

tff(47,plain,
    sdtasdt0(xn,xm) != sdtasdt0(xl,sdtasdt0(xn,sdtsldt0(xm,xl))),
    inference(modus_ponens,[status(thm)],[46,42]) ).

tff(48,plain,
    $false,
    inference(unit_resolution,[status(thm)],[47,41]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : NUM480+2 : TPTP v8.1.0. Released v4.0.0.
% 0.06/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.11/0.32  % Computer : n017.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 300
% 0.11/0.32  % DateTime : Fri Sep  2 10:20:08 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 0.11/0.32  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.11/0.32  Usage: tptp [options] [-file:]file
% 0.11/0.32    -h, -?       prints this message.
% 0.11/0.32    -smt2        print SMT-LIB2 benchmark.
% 0.11/0.32    -m, -model   generate model.
% 0.11/0.32    -p, -proof   generate proof.
% 0.11/0.32    -c, -core    generate unsat core of named formulas.
% 0.11/0.32    -st, -statistics display statistics.
% 0.11/0.32    -t:timeout   set timeout (in second).
% 0.11/0.32    -smt2status  display status in smt2 format instead of SZS.
% 0.11/0.32    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.11/0.32    -<param>:<value> configuration parameter and value.
% 0.11/0.32    -o:<output-file> file to place output in.
% 0.11/0.39  % SZS status Theorem
% 0.11/0.39  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------