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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : ITP210^2 : TPTP v9.3.1. Bugfixed v9.2.1.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39

% Computer : n017.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:07:11 AM UTC 2026

% Result   : Theorem 182.57s 52.03s
% Output   : Refutation 183.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   59 (  26 unt;   0 typ;   0 def)
%            Number of atoms       :  354 ( 151 equ;   0 cnn)
%            Maximal formula atoms :    8 (   6 avg)
%            Number of connectives :  838 (  74   ~;  50   |;  81   &; 633   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Number of types       :   12 (  11 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   11 (   8 usr;   8 con; 0-2 aty)
%            Number of variables   :   78 (  59   ^;  19   !;   0   ?;  78   :)

% Comments : 
%------------------------------------------------------------------------------
thf(code_natural_type,type,
    code_natural: $tType ).

thf(code_integer_type,type,
    code_integer: $tType ).

thf(code_term_type,type,
    code_term: $tType ).

thf(product_unit_type,type,
    product_unit: $tType ).

thf(assn_type,type,
    assn: $tType ).

thf(literal_type,type,
    literal: $tType ).

thf(char_type,type,
    char: $tType ).

thf(rat_type,type,
    rat: $tType ).

thf(num_type,type,
    num: $tType ).

thf(nat_type,type,
    nat: $tType ).

thf(int_type,type,
    int: $tType ).

thf(abs_assn_decl,type,
    abs_assn: ( ( product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat ) ) > $o ) > assn ).

thf(rep_assn_decl,type,
    rep_assn: assn > ( product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat ) ) > $o ).

thf(x_decl,type,
    x: assn ).

thf(y_decl,type,
    y: assn ).

thf(sk67_decl,type,
    sk67: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat ) ).

thf(1,conjecture,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( x != y ) )
    = ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj_0) ).

thf(2,negated_conjecture,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( x != y ) )
   != ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(13,plain,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( x != y ) )
   != ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(14,plain,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) )
   != ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( x != y ) ) ),
    inference(lifteq,[status(thm)],[13]) ).

thf(57,plain,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
     != ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) ) )
    | ( ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
     != ( x != y ) ) ),
    inference(simp,[status(thm)],[14]) ).

thf(71,plain,
    ( ( y
      = ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) )
   != ( x = y ) ),
    inference(simp,[status(thm)],[57]) ).

thf(129,plain,
    ( ( y
      = ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) )
    | ( x = y ) ),
    inference(bool_ext,[status(thm)],[71]) ).

thf(139,plain,
    ( ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
      = y )
    | ( y = x ) ),
    inference(lifteq,[status(thm)],[129]) ).

thf(59,plain,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) )
    | ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      & ( x != y ) ) ),
    inference(bool_ext,[status(thm)],[14]) ).

thf(75,plain,
    ( ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      | ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) ) )
    & ( ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) )
      | ( x != y ) )
    & ( ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
      | ( x
        = ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ x @ A )
              & ( rep_assn @ y @ A ) ) ) ) )
    & ( ( y
       != ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
      | ( x != y ) ) ),
    inference(cnf,[status(esa)],[59]) ).

thf(76,plain,
    ( ( x
      = ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) ) )
    | ( x
      = ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) ) ) ),
    inference(cnfConj,[status(thm)],[75]) ).

thf(80,plain,
    ( ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) )
      = x )
    | ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) )
      = x ) ),
    inference(lifteq,[status(thm)],[76]) ).

thf(81,plain,
    ( ( abs_assn
      @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
          ( ( rep_assn @ x @ A )
          & ( rep_assn @ y @ A ) ) )
    = x ),
    inference(simp,[status(thm)],[80]) ).

thf(179,plain,
    ( ( y = x )
    | ( y = x )
    | ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[139,81]) ).

thf(180,plain,
    ( ( y = x )
    | ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) ) ) ),
    inference(simp,[status(thm)],[179]) ).

thf(186,plain,
    ( ( y = x )
    | ( ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ y @ A ) ) ) ) ),
    inference(simp,[status(thm)],[180]) ).

thf(7,axiom,
    ! [A: assn,B: assn] :
      ( ( ( rep_assn @ A )
        = ( rep_assn @ B ) )
      = ( A = B ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_0_Rep__assn__inject) ).

thf(24,plain,
    ! [A: assn,B: assn] :
      ( ( ( rep_assn @ A )
        = ( rep_assn @ B ) )
      = ( A = B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(25,plain,
    ! [B: assn,A: assn] :
      ( ( ( rep_assn @ A )
        = ( rep_assn @ B ) )
      = ( A = B ) ),
    inference(cnf,[status(esa)],[24]) ).

thf(26,plain,
    ! [B: assn,A: assn] :
      ( ( ( rep_assn @ A )
        = ( rep_assn @ B ) )
      = ( A = B ) ),
    inference(lifteq,[status(thm)],[25]) ).

thf(505,plain,
    ! [B: assn,A: assn] :
      ( ( ( ( rep_assn @ A )
          = ( rep_assn @ B ) )
       != ( x = y ) )
      | ( ( A = B )
       != ( y
          = ( abs_assn
            @ ^ [C: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
                ( ( rep_assn @ y @ C )
                & ( rep_assn @ x @ C ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[26,71]) ).

thf(506,plain,
    ( ( ( rep_assn @ y )
      = ( rep_assn
        @ ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) )
   != ( x = y ) ),
    inference(pattern_uni,[status(thm)],[505:[bind(A,$thf( y )),bind(B,$thf( abs_assn @ ^ [C: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] : ( ( rep_assn @ y @ C ) & ( rep_assn @ x @ C ) ) ))]]) ).

thf(520,plain,
    ( ( ( rep_assn @ y )
      = ( rep_assn
        @ ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) ) )
    | ( x = y ) ),
    inference(bool_ext,[status(thm)],[506]) ).

thf(564,plain,
    ( ( ( rep_assn
        @ ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
      = ( rep_assn @ y ) )
    | ( y = x ) ),
    inference(lifteq,[status(thm)],[520]) ).

thf(504,plain,
    ! [B: assn,A: assn] :
      ( ( ( A = B )
       != ( x = y ) )
      | ( ( ( rep_assn @ A )
          = ( rep_assn @ B ) )
       != ( y
          = ( abs_assn
            @ ^ [C: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
                ( ( rep_assn @ y @ C )
                & ( rep_assn @ x @ C ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[26,71]) ).

thf(511,plain,
    ! [B: assn,A: assn] :
      ( ( A != x )
      | ( B != y )
      | ( ( ( rep_assn @ A )
          = ( rep_assn @ B ) )
       != ( y
          = ( abs_assn
            @ ^ [C: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
                ( ( rep_assn @ y @ C )
                & ( rep_assn @ x @ C ) ) ) ) ) ),
    inference(simp,[status(thm)],[504]) ).

thf(517,plain,
    ( ( ( rep_assn @ x )
      = ( rep_assn @ y ) )
   != ( y
      = ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) ) ),
    inference(simp,[status(thm)],[511]) ).

thf(606,plain,
    ( ( y = x )
    | ( ( y = y )
     != ( ( rep_assn @ x )
        = ( rep_assn @ y ) ) )
    | ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[139,517]) ).

thf(607,plain,
    ( ( y = x )
    | ( ( rep_assn @ x )
     != ( rep_assn @ y ) )
    | ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) ) ),
    inference(simp,[status(thm)],[606]) ).

thf(608,plain,
    ( ( y = x )
    | ( ( rep_assn @ x )
     != ( rep_assn @ y ) ) ),
    inference(pattern_uni,[status(thm)],[607:[]]) ).

thf(618,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( y = x ) ),
    inference(lifteq,[status(thm)],[608]) ).

thf(9,axiom,
    ! [A: assn] :
      ( ( abs_assn @ ( rep_assn @ A ) )
      = A ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_1_Rep__assn__inverse) ).

thf(30,plain,
    ! [A: assn] :
      ( ( abs_assn @ ( rep_assn @ A ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(31,plain,
    ! [A: assn] :
      ( ( abs_assn @ ( rep_assn @ A ) )
      = A ),
    inference(cnf,[status(esa)],[30]) ).

thf(32,plain,
    ! [A: assn] :
      ( ( abs_assn @ ( rep_assn @ A ) )
      = A ),
    inference(lifteq,[status(thm)],[31]) ).

thf(79,plain,
    ( ( y
     != ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) )
    | ( x != y ) ),
    inference(cnfConj,[status(thm)],[75]) ).

thf(84,plain,
    ( ( ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != y )
    | ( y != x ) ),
    inference(lifteq,[status(thm)],[79]) ).

thf(105,plain,
    ! [A: assn] :
      ( ( A != y )
      | ( y != x )
      | ( ( abs_assn @ ( rep_assn @ A ) )
       != ( abs_assn
          @ ^ [B: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ B )
              & ( rep_assn @ x @ B ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[32,84]) ).

thf(124,plain,
    ( ( y != x )
    | ( ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) )
     != ( rep_assn @ y ) ) ),
    inference(simp,[status(thm)],[105]) ).

thf(919,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( y != x )
    | ( ( rep_assn @ y )
     != ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ x @ A )
            & ( rep_assn @ x @ A ) ) ) )
    | ( y != y ) ),
    inference(paramod_ordered,[status(thm)],[618,124]) ).

thf(920,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( y != x )
    | ( y != y ) ),
    inference(simp,[status(thm)],[919]) ).

thf(921,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( y != x ) ),
    inference(pattern_uni,[status(thm)],[920:[]]) ).

thf(1535,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( x != x )
    | ( y != y ) ),
    inference(paramod_ordered,[status(thm)],[618,921]) ).

thf(1536,plain,
    ( ( ( rep_assn @ y )
     != ( rep_assn @ x ) )
    | ( y != y ) ),
    inference(simp,[status(thm)],[1535]) ).

thf(1537,plain,
    ( ( rep_assn @ y )
   != ( rep_assn @ x ) ),
    inference(pattern_uni,[status(thm)],[1536:[]]) ).

thf(1559,plain,
    ( ( ( rep_assn
        @ ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
      = ( rep_assn @ y ) )
    | ( ( rep_assn @ x )
     != ( rep_assn @ x ) )
    | ( y != y ) ),
    inference(paramod_ordered,[status(thm)],[564,1537]) ).

thf(1560,plain,
    ( ( ( rep_assn
        @ ( abs_assn
          @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
              ( ( rep_assn @ y @ A )
              & ( rep_assn @ x @ A ) ) ) )
      = ( rep_assn @ y ) )
    | ( y != y ) ),
    inference(simp,[status(thm)],[1559]) ).

thf(1561,plain,
    ( ( rep_assn
      @ ( abs_assn
        @ ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
            ( ( rep_assn @ y @ A )
            & ( rep_assn @ x @ A ) ) ) )
    = ( rep_assn @ y ) ),
    inference(pattern_uni,[status(thm)],[1560:[]]) ).

thf(1571,plain,
    ( ( ( rep_assn @ y )
      = ( rep_assn @ y ) )
   != ( x = y ) ),
    inference(rewrite,[status(thm)],[506,1561]) ).

thf(1572,plain,
    x != y,
    inference(simp,[status(thm)],[1571]) ).

thf(1624,plain,
    y != x,
    inference(lifteq,[status(thm)],[1572]) ).

thf(20421,plain,
    ( ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
          ( ( rep_assn @ y @ A )
          & ( rep_assn @ x @ A ) ) )
   != ( ^ [A: product_prod @ ( heap_ext @ product_unit ) @ ( set @ nat )] :
          ( ( rep_assn @ x @ A )
          & ( rep_assn @ y @ A ) ) ) ),
    inference(simplifyReflect,[status(thm)],[186,1624]) ).

thf(20423,plain,
    ( ( ( rep_assn @ y @ sk67 )
      & ( rep_assn @ x @ sk67 ) )
   != ( ( rep_assn @ x @ sk67 )
      & ( rep_assn @ y @ sk67 ) ) ),
    inference(func_ext,[status(esa)],[20421]) ).

thf(20521,plain,
    ( ( ( rep_assn @ y @ sk67 )
      & ( rep_assn @ x @ sk67 ) )
    | ( ( rep_assn @ x @ sk67 )
      & ( rep_assn @ y @ sk67 ) ) ),
    inference(bool_ext,[status(thm)],[20423]) ).

thf(20715,plain,
    ( ( ( rep_assn @ y @ sk67 )
      | ( rep_assn @ x @ sk67 ) )
    & ( ( rep_assn @ y @ sk67 )
      | ( rep_assn @ y @ sk67 ) )
    & ( ( rep_assn @ x @ sk67 )
      | ( rep_assn @ x @ sk67 ) )
    & ( ( rep_assn @ x @ sk67 )
      | ( rep_assn @ y @ sk67 ) ) ),
    inference(cnf,[status(esa)],[20521]) ).

thf(20717,plain,
    ( ( rep_assn @ y @ sk67 )
    | ( rep_assn @ y @ sk67 ) ),
    inference(cnfConj,[status(thm)],[20715]) ).

thf(20719,plain,
    rep_assn @ y @ sk67,
    inference(simp,[status(thm)],[20717]) ).

thf(20731,plain,
    ( ( $true
      & ( rep_assn @ x @ sk67 ) )
   != ( ( rep_assn @ x @ sk67 )
      & $true ) ),
    inference(rewrite,[status(thm)],[20423,20719]) ).

thf(20732,plain,
    $false,
    inference(simp,[status(thm)],[20731]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : ITP210^2 : TPTP v9.3.1. Bugfixed v9.2.1.
% 0.00/0.09  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 0.08/0.23  % Computer : n017.cluster.edu
% 0.08/0.23  % Model    : x86_64 x86_64
% 0.08/0.23  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.23  % Memory   : 8046.5625MB
% 0.08/0.23  % OS       : Linux 6.8.0-71-generic
% 0.08/0.23  % CPULimit : 300
% 0.08/0.23  % WCLimit  : 300
% 0.08/0.23  % DateTime : Tue Sep 29 20:09:22 UTC 2026
% 0.08/0.24  % CPUTime  : 
% 0.08/0.24  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox/solver/bin/leo3.jar /export/starexec/sandbox/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox/solver/bin/externals/eprover --instantiate 39
% 1.00/0.83  % [INFO] 	 Parsing problem /export/starexec/sandbox/benchmark/theBenchmark.p ... 
% 6.72/2.58  % [INFO] 	 Parsing done (1753ms). 
% 6.92/2.61  % [INFO] 	 Running in sequential loop mode. 
% 7.35/2.97  % [INFO] 	 eprover registered as external prover. 
% 7.35/2.98  % [INFO] 	 Scanning for conjecture ... 
% 9.23/3.57  % [INFO] 	 Found a conjecture (or negated_conjecture) and 8622 axioms. Running axiom selection ... 
% 10.41/3.82  % [INFO] 	 Axiom selection finished. Selected 10 axioms (removed 8612 axioms). 
% 10.41/3.84  % [INFO] 	 Problem is higher-order (TPTP THF). 
% 10.41/3.85  % [INFO] 	 Type checking passed. 
% 10.41/3.85  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 182.57/52.02  % [INFO] 	 Killing All external provers ... 
% 182.57/52.03  % Time passed: 51642ms (effective reasoning time: 49412ms)
% 182.57/52.03  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 182.57/52.03  % Axioms used in derivation (2): fact_0_Rep__assn__inject, fact_1_Rep__assn__inverse
% 182.57/52.03  % No. of inferences in proof: 59
% 182.57/52.03  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : 51642 ms resp. 49412 ms w/o parsing
% 183.19/52.09  % SZS output start Refutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 183.19/52.09  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------