TSTP Solution File: DAT048_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : DAT048_1 : TPTP v8.1.0. Released v5.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n021.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 : Fri Sep 16 14:36:31 EDT 2022

% Result   : Theorem 0.20s 0.44s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :  123
% Syntax   : Number of formulae    :  287 (  82 unt;   5 typ;   0 def)
%            Number of atoms       : 1024 ( 364 equ)
%            Maximal formula atoms :   11 (   3 avg)
%            Number of connectives : 1063 ( 349   ~; 260   |;  17   &)
%                                         ( 434 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of FOOLs       :   28 (  28 fml;   0 var)
%            Number arithmetic     : 2622 (  62 atm; 534 fun;1716 num; 310 var)
%            Number of types       :    2 (   0 usr;   1 ari)
%            Number of type conns  :    7 (   4   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    9 (   4 usr;   3 prp; 0-2 aty)
%            Number of functors    :   13 (   4 usr;   7 con; 0-2 aty)
%            Number of variables   :  545 ( 484   !;   0   ?; 545   :)

% Comments : 
%------------------------------------------------------------------------------
tff(count_type,type,
    count: collection > $int ).

tff(add_type,type,
    add: ( $int * collection ) > collection ).

tff(remove_type,type,
    remove: ( $int * collection ) > collection ).

tff(empty_type,type,
    empty: collection ).

tff(in_type,type,
    in: ( $int * collection ) > $o ).

tff(1,plain,
    ^ [X6: collection] :
      refl(
        ( $greatereq(count(X6),0)
      <=> $greatereq(count(X6),0) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [X6: collection] : $greatereq(count(X6),0)
  <=> ! [X6: collection] : $greatereq(count(X6),0) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [X6: collection] : $greatereq(count(X6),0)
  <=> ! [X6: collection] : $greatereq(count(X6),0) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [X6: collection] : $greatereq(count(X6),0),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax1) ).

tff(5,plain,
    ! [X6: collection] : $greatereq(count(X6),0),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [X6: collection] : $greatereq(count(X6),0),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [X6: collection] : $greatereq(count(X6),0),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [X6: collection] : $greatereq(count(X6),0)
    | $greatereq(count(empty),0) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    $greatereq(count(empty),0),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [X8: $int,X9: collection] :
      refl(
        ( ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      <=> ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(11,plain,
    ( ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
  <=> ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ^ [X8: $int,X9: collection] :
      rewrite(
        ( ( ~ in(X8,X9)
        <=> ( $sum(count(add(X8,X9)),$product(-1,count(X9))) = 1 ) )
      <=> ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(13,plain,
    ( ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( $sum(count(add(X8,X9)),$product(-1,count(X9))) = 1 ) )
  <=> ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ) ),
    inference(quant_intro,[status(thm)],[12]) ).

tff(14,plain,
    ^ [X8: $int,X9: collection] :
      rewrite(
        ( ( ~ in(X8,X9)
        <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) )
      <=> ( ~ in(X8,X9)
        <=> ( $sum(count(add(X8,X9)),$product(-1,count(X9))) = 1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(15,plain,
    ( ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) )
  <=> ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( $sum(count(add(X8,X9)),$product(-1,count(X9))) = 1 ) ) ),
    inference(quant_intro,[status(thm)],[14]) ).

tff(16,plain,
    ( ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) )
  <=> ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(17,plain,
    ^ [X8: $int,X9: collection] :
      rewrite(
        ( ( ~ in(X8,X9)
        <=> ( count(add(X8,X9)) = $sum(count(X9),1) ) )
      <=> ( ~ in(X8,X9)
        <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(18,plain,
    ( ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( count(add(X8,X9)) = $sum(count(X9),1) ) )
  <=> ! [X8: $int,X9: collection] :
        ( ~ in(X8,X9)
      <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) ) ),
    inference(quant_intro,[status(thm)],[17]) ).

tff(19,axiom,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( count(add(X8,X9)) = $sum(count(X9),1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax3) ).

tff(20,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) ),
    inference(modus_ponens,[status(thm)],[19,18]) ).

tff(21,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( count(add(X8,X9)) = $sum(1,count(X9)) ) ),
    inference(modus_ponens,[status(thm)],[20,16]) ).

tff(22,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( $sum(count(add(X8,X9)),$product(-1,count(X9))) = 1 ) ),
    inference(modus_ponens,[status(thm)],[21,15]) ).

tff(23,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ),
    inference(modus_ponens,[status(thm)],[22,13]) ).

tff(24,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ),
    inference(skolemize,[status(sab)],[23]) ).

tff(25,plain,
    ! [X8: $int,X9: collection] :
      ( ~ in(X8,X9)
    <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) ),
    inference(modus_ponens,[status(thm)],[24,11]) ).

tff(26,plain,
    ( ~ ! [X8: $int,X9: collection] :
          ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
    | ( ~ in(2,empty)
    <=> ( $sum(count(empty),$product(-1,count(add(2,empty)))) = -1 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(27,plain,
    ( ~ in(2,empty)
  <=> ( $sum(count(empty),$product(-1,count(add(2,empty)))) = -1 ) ),
    inference(unit_resolution,[status(thm)],[26,25]) ).

tff(28,plain,
    ^ [U: $int] :
      refl(
        ( ~ in(U,empty)
      <=> ~ in(U,empty) )),
    inference(bind,[status(th)],]) ).

tff(29,plain,
    ( ! [U: $int] : ~ in(U,empty)
  <=> ! [U: $int] : ~ in(U,empty) ),
    inference(quant_intro,[status(thm)],[28]) ).

tff(30,plain,
    ( ! [U: $int] : ~ in(U,empty)
  <=> ! [U: $int] : ~ in(U,empty) ),
    inference(rewrite,[status(thm)],]) ).

tff(31,axiom,
    ! [U: $int] : ~ in(U,empty),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=0.ax',ax1) ).

tff(32,plain,
    ! [U: $int] : ~ in(U,empty),
    inference(modus_ponens,[status(thm)],[31,30]) ).

tff(33,plain,
    ! [U: $int] : ~ in(U,empty),
    inference(skolemize,[status(sab)],[32]) ).

tff(34,plain,
    ! [U: $int] : ~ in(U,empty),
    inference(modus_ponens,[status(thm)],[33,29]) ).

tff(35,plain,
    ( ~ ! [U: $int] : ~ in(U,empty)
    | ~ in(2,empty) ),
    inference(quant_inst,[status(thm)],]) ).

tff(36,plain,
    ~ in(2,empty),
    inference(unit_resolution,[status(thm)],[35,34]) ).

tff(37,plain,
    ( ~ ( ~ in(2,empty)
      <=> ( $sum(count(empty),$product(-1,count(add(2,empty)))) = -1 ) )
    | in(2,empty)
    | ( $sum(count(empty),$product(-1,count(add(2,empty)))) = -1 ) ),
    inference(tautology,[status(thm)],]) ).

tff(38,plain,
    $sum(count(empty),$product(-1,count(add(2,empty)))) = -1,
    inference(unit_resolution,[status(thm)],[37,36,27]) ).

tff(39,plain,
    ( ( $sum(count(empty),$product(-1,count(add(2,empty)))) != -1 )
    | $lesseq($sum(count(empty),$product(-1,count(add(2,empty)))),-1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(40,plain,
    $lesseq($sum(count(empty),$product(-1,count(add(2,empty)))),-1),
    inference(unit_resolution,[status(thm)],[39,38]) ).

tff(41,plain,
    ^ [X14: $int,X15: collection] :
      refl(
        ( ( ~ in(X14,X15)
        <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) )
      <=> ( ~ in(X14,X15)
        <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(42,plain,
    ( ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) )
  <=> ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[41]) ).

tff(43,plain,
    ^ [X14: $int,X15: collection] :
      rewrite(
        ( ( ~ in(X14,X15)
        <=> ( $sum(count(remove(X14,X15)),$product(-1,count(X15))) = 0 ) )
      <=> ( ~ in(X14,X15)
        <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(44,plain,
    ( ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( $sum(count(remove(X14,X15)),$product(-1,count(X15))) = 0 ) )
  <=> ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[43]) ).

tff(45,plain,
    ^ [X14: $int,X15: collection] :
      rewrite(
        ( ( ~ in(X14,X15)
        <=> ( count(remove(X14,X15)) = count(X15) ) )
      <=> ( ~ in(X14,X15)
        <=> ( $sum(count(remove(X14,X15)),$product(-1,count(X15))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(46,plain,
    ( ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( count(remove(X14,X15)) = count(X15) ) )
  <=> ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( $sum(count(remove(X14,X15)),$product(-1,count(X15))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[45]) ).

tff(47,plain,
    ( ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( count(remove(X14,X15)) = count(X15) ) )
  <=> ! [X14: $int,X15: collection] :
        ( ~ in(X14,X15)
      <=> ( count(remove(X14,X15)) = count(X15) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(48,axiom,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( count(remove(X14,X15)) = count(X15) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax6) ).

tff(49,plain,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( count(remove(X14,X15)) = count(X15) ) ),
    inference(modus_ponens,[status(thm)],[48,47]) ).

tff(50,plain,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( $sum(count(remove(X14,X15)),$product(-1,count(X15))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[49,46]) ).

tff(51,plain,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[50,44]) ).

tff(52,plain,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ),
    inference(skolemize,[status(sab)],[51]) ).

tff(53,plain,
    ! [X14: $int,X15: collection] :
      ( ~ in(X14,X15)
    <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[52,42]) ).

tff(54,plain,
    ( ~ ! [X14: $int,X15: collection] :
          ( ~ in(X14,X15)
        <=> ( $sum(count(X15),$product(-1,count(remove(X14,X15)))) = 0 ) )
    | ( ~ in(3,add(2,empty))
    <=> ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) = 0 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(55,plain,
    ( ~ in(3,add(2,empty))
  <=> ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) = 0 ) ),
    inference(unit_resolution,[status(thm)],[54,53]) ).

tff(56,plain,
    ^ [Z: $int,X1: collection,X2: $int] :
      refl(
        ( ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
      <=> ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) ) )),
    inference(bind,[status(th)],]) ).

tff(57,plain,
    ( ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( $sum(X2,$product(-1,Z)) = 0 ) )
      <=> in(Z,add(X2,X1)) )
  <=> ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( $sum(X2,$product(-1,Z)) = 0 ) )
      <=> in(Z,add(X2,X1)) ) ),
    inference(quant_intro,[status(thm)],[56]) ).

tff(58,plain,
    ^ [Z: $int,X1: collection,X2: $int] :
      rewrite(
        ( ( ( in(Z,X1)
            | ( $sum(Z,$product(-1,X2)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
      <=> ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) ) )),
    inference(bind,[status(th)],]) ).

tff(59,plain,
    ( ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( $sum(Z,$product(-1,X2)) = 0 ) )
      <=> in(Z,add(X2,X1)) )
  <=> ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( $sum(X2,$product(-1,Z)) = 0 ) )
      <=> in(Z,add(X2,X1)) ) ),
    inference(quant_intro,[status(thm)],[58]) ).

tff(60,plain,
    ^ [Z: $int,X1: collection,X2: $int] :
      rewrite(
        ( ( ( ( Z = X2 )
            | in(Z,X1) )
        <=> in(Z,add(X2,X1)) )
      <=> ( ( in(Z,X1)
            | ( $sum(Z,$product(-1,X2)) = 0 ) )
        <=> in(Z,add(X2,X1)) ) )),
    inference(bind,[status(th)],]) ).

tff(61,plain,
    ( ! [Z: $int,X1: collection,X2: $int] :
        ( ( ( Z = X2 )
          | in(Z,X1) )
      <=> in(Z,add(X2,X1)) )
  <=> ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( $sum(Z,$product(-1,X2)) = 0 ) )
      <=> in(Z,add(X2,X1)) ) ),
    inference(quant_intro,[status(thm)],[60]) ).

tff(62,plain,
    ( ! [Z: $int,X1: collection,X2: $int] :
        ( ( ( Z = X2 )
          | in(Z,X1) )
      <=> in(Z,add(X2,X1)) )
  <=> ! [Z: $int,X1: collection,X2: $int] :
        ( ( ( Z = X2 )
          | in(Z,X1) )
      <=> in(Z,add(X2,X1)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(63,plain,
    ^ [Z: $int,X1: collection,X2: $int] :
      rewrite(
        ( ( ( in(Z,X1)
            | ( Z = X2 ) )
        <=> in(Z,add(X2,X1)) )
      <=> ( ( ( Z = X2 )
            | in(Z,X1) )
        <=> in(Z,add(X2,X1)) ) )),
    inference(bind,[status(th)],]) ).

tff(64,plain,
    ( ! [Z: $int,X1: collection,X2: $int] :
        ( ( in(Z,X1)
          | ( Z = X2 ) )
      <=> in(Z,add(X2,X1)) )
  <=> ! [Z: $int,X1: collection,X2: $int] :
        ( ( ( Z = X2 )
          | in(Z,X1) )
      <=> in(Z,add(X2,X1)) ) ),
    inference(quant_intro,[status(thm)],[63]) ).

tff(65,axiom,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( in(Z,X1)
        | ( Z = X2 ) )
    <=> in(Z,add(X2,X1)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=0.ax',ax4) ).

tff(66,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( ( Z = X2 )
        | in(Z,X1) )
    <=> in(Z,add(X2,X1)) ),
    inference(modus_ponens,[status(thm)],[65,64]) ).

tff(67,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( ( Z = X2 )
        | in(Z,X1) )
    <=> in(Z,add(X2,X1)) ),
    inference(modus_ponens,[status(thm)],[66,62]) ).

tff(68,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( in(Z,X1)
        | ( $sum(Z,$product(-1,X2)) = 0 ) )
    <=> in(Z,add(X2,X1)) ),
    inference(modus_ponens,[status(thm)],[67,61]) ).

tff(69,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( in(Z,X1)
        | ( $sum(X2,$product(-1,Z)) = 0 ) )
    <=> in(Z,add(X2,X1)) ),
    inference(modus_ponens,[status(thm)],[68,59]) ).

tff(70,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( in(Z,X1)
        | ( $sum(X2,$product(-1,Z)) = 0 ) )
    <=> in(Z,add(X2,X1)) ),
    inference(skolemize,[status(sab)],[69]) ).

tff(71,plain,
    ! [Z: $int,X1: collection,X2: $int] :
      ( ( in(Z,X1)
        | ( $sum(X2,$product(-1,Z)) = 0 ) )
    <=> in(Z,add(X2,X1)) ),
    inference(modus_ponens,[status(thm)],[70,57]) ).

tff(72,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(3,empty)
      <=> in(3,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(3,empty)
      <=> in(3,add(2,empty)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(73,plain,
    ( ( ( in(3,empty)
        | ( $sum(2,$product(-1,3)) = 0 ) )
    <=> in(3,add(2,empty)) )
  <=> ( in(3,empty)
    <=> in(3,add(2,empty)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(74,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(3,empty)
          | ( $sum(2,$product(-1,3)) = 0 ) )
      <=> in(3,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(3,empty)
      <=> in(3,add(2,empty)) ) ) ),
    inference(monotonicity,[status(thm)],[73]) ).

tff(75,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(3,empty)
          | ( $sum(2,$product(-1,3)) = 0 ) )
      <=> in(3,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(3,empty)
      <=> in(3,add(2,empty)) ) ) ),
    inference(transitivity,[status(thm)],[74,72]) ).

tff(76,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( ( in(3,empty)
        | ( $sum(2,$product(-1,3)) = 0 ) )
    <=> in(3,add(2,empty)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(77,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( in(3,empty)
    <=> in(3,add(2,empty)) ) ),
    inference(modus_ponens,[status(thm)],[76,75]) ).

tff(78,plain,
    ( in(3,empty)
  <=> in(3,add(2,empty)) ),
    inference(unit_resolution,[status(thm)],[77,71]) ).

tff(79,plain,
    ( ~ ! [U: $int] : ~ in(U,empty)
    | ~ in(3,empty) ),
    inference(quant_inst,[status(thm)],]) ).

tff(80,plain,
    ~ in(3,empty),
    inference(unit_resolution,[status(thm)],[79,34]) ).

tff(81,plain,
    ( ~ ( in(3,empty)
      <=> in(3,add(2,empty)) )
    | in(3,empty)
    | ~ in(3,add(2,empty)) ),
    inference(tautology,[status(thm)],]) ).

tff(82,plain,
    ~ in(3,add(2,empty)),
    inference(unit_resolution,[status(thm)],[81,80,78]) ).

tff(83,plain,
    ( ~ ( ~ in(3,add(2,empty))
      <=> ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) = 0 ) )
    | in(3,add(2,empty))
    | ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) = 0 ) ),
    inference(tautology,[status(thm)],]) ).

tff(84,plain,
    $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) = 0,
    inference(unit_resolution,[status(thm)],[83,82,55]) ).

tff(85,plain,
    ( ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) != 0 )
    | $lesseq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(86,plain,
    $lesseq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0),
    inference(unit_resolution,[status(thm)],[85,84]) ).

tff(87,plain,
    ( ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) )
  <=> ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(88,plain,
    ( ( ~ in(1,add(5,remove(3,add(2,empty))))
    <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(add(1,add(5,remove(3,add(2,empty))))))) = -1 ) )
  <=> ( ~ in(1,add(5,remove(3,add(2,empty))))
    <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(89,plain,
    ( ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(add(1,add(5,remove(3,add(2,empty))))))) = -1 ) ) )
  <=> ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) ) ),
    inference(monotonicity,[status(thm)],[88]) ).

tff(90,plain,
    ( ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(add(1,add(5,remove(3,add(2,empty))))))) = -1 ) ) )
  <=> ( ~ ! [X8: $int,X9: collection] :
            ( ~ in(X8,X9)
          <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
      | ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) ) ),
    inference(transitivity,[status(thm)],[89,87]) ).

tff(91,plain,
    ( ~ ! [X8: $int,X9: collection] :
          ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
    | ( ~ in(1,add(5,remove(3,add(2,empty))))
    <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(add(1,add(5,remove(3,add(2,empty))))))) = -1 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(92,plain,
    ( ~ ! [X8: $int,X9: collection] :
          ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
    | ( ~ in(1,add(5,remove(3,add(2,empty))))
    <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ) ),
    inference(modus_ponens,[status(thm)],[91,90]) ).

tff(93,plain,
    ( ~ in(1,add(5,remove(3,add(2,empty))))
  <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ),
    inference(unit_resolution,[status(thm)],[92,25]) ).

tff(94,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,remove(3,add(2,empty)))
      <=> in(1,add(5,remove(3,add(2,empty)))) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,remove(3,add(2,empty)))
      <=> in(1,add(5,remove(3,add(2,empty)))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(95,plain,
    ( ( ( in(1,remove(3,add(2,empty)))
        | ( $sum(5,$product(-1,1)) = 0 ) )
    <=> in(1,add(5,remove(3,add(2,empty)))) )
  <=> ( in(1,remove(3,add(2,empty)))
    <=> in(1,add(5,remove(3,add(2,empty)))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(96,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(1,remove(3,add(2,empty)))
          | ( $sum(5,$product(-1,1)) = 0 ) )
      <=> in(1,add(5,remove(3,add(2,empty)))) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,remove(3,add(2,empty)))
      <=> in(1,add(5,remove(3,add(2,empty)))) ) ) ),
    inference(monotonicity,[status(thm)],[95]) ).

tff(97,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(1,remove(3,add(2,empty)))
          | ( $sum(5,$product(-1,1)) = 0 ) )
      <=> in(1,add(5,remove(3,add(2,empty)))) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,remove(3,add(2,empty)))
      <=> in(1,add(5,remove(3,add(2,empty)))) ) ) ),
    inference(transitivity,[status(thm)],[96,94]) ).

tff(98,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( ( in(1,remove(3,add(2,empty)))
        | ( $sum(5,$product(-1,1)) = 0 ) )
    <=> in(1,add(5,remove(3,add(2,empty)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(99,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( in(1,remove(3,add(2,empty)))
    <=> in(1,add(5,remove(3,add(2,empty)))) ) ),
    inference(modus_ponens,[status(thm)],[98,97]) ).

tff(100,plain,
    ( in(1,remove(3,add(2,empty)))
  <=> in(1,add(5,remove(3,add(2,empty)))) ),
    inference(unit_resolution,[status(thm)],[99,71]) ).

tff(101,plain,
    ^ [V: $int,W: collection] :
      refl(
        ( in(V,add(V,W))
      <=> in(V,add(V,W)) )),
    inference(bind,[status(th)],]) ).

tff(102,plain,
    ( ! [V: $int,W: collection] : in(V,add(V,W))
  <=> ! [V: $int,W: collection] : in(V,add(V,W)) ),
    inference(quant_intro,[status(thm)],[101]) ).

tff(103,plain,
    ( ! [V: $int,W: collection] : in(V,add(V,W))
  <=> ! [V: $int,W: collection] : in(V,add(V,W)) ),
    inference(rewrite,[status(thm)],]) ).

tff(104,axiom,
    ! [V: $int,W: collection] : in(V,add(V,W)),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=0.ax',ax2) ).

tff(105,plain,
    ! [V: $int,W: collection] : in(V,add(V,W)),
    inference(modus_ponens,[status(thm)],[104,103]) ).

tff(106,plain,
    ! [V: $int,W: collection] : in(V,add(V,W)),
    inference(skolemize,[status(sab)],[105]) ).

tff(107,plain,
    ! [V: $int,W: collection] : in(V,add(V,W)),
    inference(modus_ponens,[status(thm)],[106,102]) ).

tff(108,plain,
    ( ~ ! [V: $int,W: collection] : in(V,add(V,W))
    | in(2,add(2,empty)) ),
    inference(quant_inst,[status(thm)],]) ).

tff(109,plain,
    in(2,add(2,empty)),
    inference(unit_resolution,[status(thm)],[108,107]) ).

tff(110,plain,
    ^ [X16: $int,X17: collection] :
      refl(
        ( ( ~ in(X16,X17)
          | ( X17 = add(X16,remove(X16,X17)) ) )
      <=> ( ~ in(X16,X17)
          | ( X17 = add(X16,remove(X16,X17)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(111,plain,
    ( ! [X16: $int,X17: collection] :
        ( ~ in(X16,X17)
        | ( X17 = add(X16,remove(X16,X17)) ) )
  <=> ! [X16: $int,X17: collection] :
        ( ~ in(X16,X17)
        | ( X17 = add(X16,remove(X16,X17)) ) ) ),
    inference(quant_intro,[status(thm)],[110]) ).

tff(112,plain,
    ( ! [X16: $int,X17: collection] :
        ( ~ in(X16,X17)
        | ( X17 = add(X16,remove(X16,X17)) ) )
  <=> ! [X16: $int,X17: collection] :
        ( ~ in(X16,X17)
        | ( X17 = add(X16,remove(X16,X17)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(113,plain,
    ^ [X16: $int,X17: collection] :
      rewrite(
        ( ( in(X16,X17)
         => ( X17 = add(X16,remove(X16,X17)) ) )
      <=> ( ~ in(X16,X17)
          | ( X17 = add(X16,remove(X16,X17)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(114,plain,
    ( ! [X16: $int,X17: collection] :
        ( in(X16,X17)
       => ( X17 = add(X16,remove(X16,X17)) ) )
  <=> ! [X16: $int,X17: collection] :
        ( ~ in(X16,X17)
        | ( X17 = add(X16,remove(X16,X17)) ) ) ),
    inference(quant_intro,[status(thm)],[113]) ).

tff(115,axiom,
    ! [X16: $int,X17: collection] :
      ( in(X16,X17)
     => ( X17 = add(X16,remove(X16,X17)) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax7) ).

tff(116,plain,
    ! [X16: $int,X17: collection] :
      ( ~ in(X16,X17)
      | ( X17 = add(X16,remove(X16,X17)) ) ),
    inference(modus_ponens,[status(thm)],[115,114]) ).

tff(117,plain,
    ! [X16: $int,X17: collection] :
      ( ~ in(X16,X17)
      | ( X17 = add(X16,remove(X16,X17)) ) ),
    inference(modus_ponens,[status(thm)],[116,112]) ).

tff(118,plain,
    ! [X16: $int,X17: collection] :
      ( ~ in(X16,X17)
      | ( X17 = add(X16,remove(X16,X17)) ) ),
    inference(skolemize,[status(sab)],[117]) ).

tff(119,plain,
    ! [X16: $int,X17: collection] :
      ( ~ in(X16,X17)
      | ( X17 = add(X16,remove(X16,X17)) ) ),
    inference(modus_ponens,[status(thm)],[118,111]) ).

tff(120,plain,
    ( ( ~ ! [X16: $int,X17: collection] :
            ( ~ in(X16,X17)
            | ( X17 = add(X16,remove(X16,X17)) ) )
      | ~ in(2,add(2,empty))
      | ( add(2,empty) = add(2,remove(2,add(2,empty))) ) )
  <=> ( ~ ! [X16: $int,X17: collection] :
            ( ~ in(X16,X17)
            | ( X17 = add(X16,remove(X16,X17)) ) )
      | ~ in(2,add(2,empty))
      | ( add(2,empty) = add(2,remove(2,add(2,empty))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(121,plain,
    ( ~ ! [X16: $int,X17: collection] :
          ( ~ in(X16,X17)
          | ( X17 = add(X16,remove(X16,X17)) ) )
    | ~ in(2,add(2,empty))
    | ( add(2,empty) = add(2,remove(2,add(2,empty))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(122,plain,
    ( ~ ! [X16: $int,X17: collection] :
          ( ~ in(X16,X17)
          | ( X17 = add(X16,remove(X16,X17)) ) )
    | ~ in(2,add(2,empty))
    | ( add(2,empty) = add(2,remove(2,add(2,empty))) ) ),
    inference(modus_ponens,[status(thm)],[121,120]) ).

tff(123,plain,
    add(2,empty) = add(2,remove(2,add(2,empty))),
    inference(unit_resolution,[status(thm)],[122,119,109]) ).

tff(124,plain,
    add(2,remove(2,add(2,empty))) = add(2,empty),
    inference(symmetry,[status(thm)],[123]) ).

tff(125,plain,
    remove(3,add(2,remove(2,add(2,empty)))) = remove(3,add(2,empty)),
    inference(monotonicity,[status(thm)],[124]) ).

tff(126,plain,
    ( in(1,remove(3,add(2,remove(2,add(2,empty)))))
  <=> in(1,remove(3,add(2,empty))) ),
    inference(monotonicity,[status(thm)],[125]) ).

tff(127,plain,
    ( ~ in(1,remove(3,add(2,remove(2,add(2,empty)))))
  <=> ~ in(1,remove(3,add(2,empty))) ),
    inference(monotonicity,[status(thm)],[126]) ).

tff(128,plain,
    ^ [X3: $int,X4: collection,X5: $int] :
      refl(
        ( ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) )
      <=> ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) ) )),
    inference(bind,[status(th)],]) ).

tff(129,plain,
    ( ! [X3: $int,X4: collection,X5: $int] :
        ( ~ ( ~ in(X3,X4)
            | ( $sum(X5,$product(-1,X3)) = 0 ) )
      <=> in(X3,remove(X5,X4)) )
  <=> ! [X3: $int,X4: collection,X5: $int] :
        ( ~ ( ~ in(X3,X4)
            | ( $sum(X5,$product(-1,X3)) = 0 ) )
      <=> in(X3,remove(X5,X4)) ) ),
    inference(quant_intro,[status(thm)],[128]) ).

tff(130,plain,
    ^ [X3: $int,X4: collection,X5: $int] :
      rewrite(
        ( ( ( in(X3,X4)
            & ( $sum(X5,$product(-1,X3)) != 0 ) )
        <=> in(X3,remove(X5,X4)) )
      <=> ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) ) )),
    inference(bind,[status(th)],]) ).

tff(131,plain,
    ( ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( $sum(X5,$product(-1,X3)) != 0 ) )
      <=> in(X3,remove(X5,X4)) )
  <=> ! [X3: $int,X4: collection,X5: $int] :
        ( ~ ( ~ in(X3,X4)
            | ( $sum(X5,$product(-1,X3)) = 0 ) )
      <=> in(X3,remove(X5,X4)) ) ),
    inference(quant_intro,[status(thm)],[130]) ).

tff(132,plain,
    ^ [X3: $int,X4: collection,X5: $int] :
      rewrite(
        ( ( ( in(X3,X4)
            & ( $sum(X3,$product(-1,X5)) != 0 ) )
        <=> in(X3,remove(X5,X4)) )
      <=> ( ( in(X3,X4)
            & ( $sum(X5,$product(-1,X3)) != 0 ) )
        <=> in(X3,remove(X5,X4)) ) )),
    inference(bind,[status(th)],]) ).

tff(133,plain,
    ( ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( $sum(X3,$product(-1,X5)) != 0 ) )
      <=> in(X3,remove(X5,X4)) )
  <=> ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( $sum(X5,$product(-1,X3)) != 0 ) )
      <=> in(X3,remove(X5,X4)) ) ),
    inference(quant_intro,[status(thm)],[132]) ).

tff(134,plain,
    ^ [X3: $int,X4: collection,X5: $int] :
      rewrite(
        ( ( ( in(X3,X4)
            & ( X3 != X5 ) )
        <=> in(X3,remove(X5,X4)) )
      <=> ( ( in(X3,X4)
            & ( $sum(X3,$product(-1,X5)) != 0 ) )
        <=> in(X3,remove(X5,X4)) ) )),
    inference(bind,[status(th)],]) ).

tff(135,plain,
    ( ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( X3 != X5 ) )
      <=> in(X3,remove(X5,X4)) )
  <=> ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( $sum(X3,$product(-1,X5)) != 0 ) )
      <=> in(X3,remove(X5,X4)) ) ),
    inference(quant_intro,[status(thm)],[134]) ).

tff(136,plain,
    ( ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( X3 != X5 ) )
      <=> in(X3,remove(X5,X4)) )
  <=> ! [X3: $int,X4: collection,X5: $int] :
        ( ( in(X3,X4)
          & ( X3 != X5 ) )
      <=> in(X3,remove(X5,X4)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(137,axiom,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ( in(X3,X4)
        & ( X3 != X5 ) )
    <=> in(X3,remove(X5,X4)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=0.ax',ax5) ).

tff(138,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ( in(X3,X4)
        & ( X3 != X5 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(modus_ponens,[status(thm)],[137,136]) ).

tff(139,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ( in(X3,X4)
        & ( $sum(X3,$product(-1,X5)) != 0 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(modus_ponens,[status(thm)],[138,135]) ).

tff(140,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ( in(X3,X4)
        & ( $sum(X5,$product(-1,X3)) != 0 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(modus_ponens,[status(thm)],[139,133]) ).

tff(141,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ( in(X3,X4)
        & ( $sum(X5,$product(-1,X3)) != 0 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(skolemize,[status(sab)],[140]) ).

tff(142,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ~ ( ~ in(X3,X4)
          | ( $sum(X5,$product(-1,X3)) = 0 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(modus_ponens,[status(thm)],[141,131]) ).

tff(143,plain,
    ! [X3: $int,X4: collection,X5: $int] :
      ( ~ ( ~ in(X3,X4)
          | ( $sum(X5,$product(-1,X3)) = 0 ) )
    <=> in(X3,remove(X5,X4)) ),
    inference(modus_ponens,[status(thm)],[142,129]) ).

tff(144,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(1,add(2,remove(2,add(2,empty))))
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(1,add(2,remove(2,add(2,empty))))
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(145,plain,
    ( ( ~ ( ~ in(1,add(2,remove(2,add(2,empty))))
          | ( $sum(3,$product(-1,1)) = 0 ) )
    <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) )
  <=> ( in(1,add(2,remove(2,add(2,empty))))
    <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(146,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( ~ ( ~ in(1,add(2,remove(2,add(2,empty))))
            | ( $sum(3,$product(-1,1)) = 0 ) )
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(1,add(2,remove(2,add(2,empty))))
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ) ),
    inference(monotonicity,[status(thm)],[145]) ).

tff(147,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( ~ ( ~ in(1,add(2,remove(2,add(2,empty))))
            | ( $sum(3,$product(-1,1)) = 0 ) )
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(1,add(2,remove(2,add(2,empty))))
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ) ),
    inference(transitivity,[status(thm)],[146,144]) ).

tff(148,plain,
    ( ~ ! [X3: $int,X4: collection,X5: $int] :
          ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) )
    | ( ~ ( ~ in(1,add(2,remove(2,add(2,empty))))
          | ( $sum(3,$product(-1,1)) = 0 ) )
    <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(149,plain,
    ( ~ ! [X3: $int,X4: collection,X5: $int] :
          ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) )
    | ( in(1,add(2,remove(2,add(2,empty))))
    <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ) ),
    inference(modus_ponens,[status(thm)],[148,147]) ).

tff(150,plain,
    ( in(1,add(2,remove(2,add(2,empty))))
  <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) ),
    inference(unit_resolution,[status(thm)],[149,143]) ).

tff(151,plain,
    ( in(1,add(2,empty))
  <=> in(1,add(2,remove(2,add(2,empty)))) ),
    inference(monotonicity,[status(thm)],[123]) ).

tff(152,plain,
    ( ~ in(1,add(2,empty))
  <=> ~ in(1,add(2,remove(2,add(2,empty)))) ),
    inference(monotonicity,[status(thm)],[151]) ).

tff(153,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,empty)
      <=> in(1,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,empty)
      <=> in(1,add(2,empty)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(154,plain,
    ( ( ( in(1,empty)
        | ( $sum(2,$product(-1,1)) = 0 ) )
    <=> in(1,add(2,empty)) )
  <=> ( in(1,empty)
    <=> in(1,add(2,empty)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(155,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(1,empty)
          | ( $sum(2,$product(-1,1)) = 0 ) )
      <=> in(1,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,empty)
      <=> in(1,add(2,empty)) ) ) ),
    inference(monotonicity,[status(thm)],[154]) ).

tff(156,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(1,empty)
          | ( $sum(2,$product(-1,1)) = 0 ) )
      <=> in(1,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(1,empty)
      <=> in(1,add(2,empty)) ) ) ),
    inference(transitivity,[status(thm)],[155,153]) ).

tff(157,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( ( in(1,empty)
        | ( $sum(2,$product(-1,1)) = 0 ) )
    <=> in(1,add(2,empty)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(158,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( in(1,empty)
    <=> in(1,add(2,empty)) ) ),
    inference(modus_ponens,[status(thm)],[157,156]) ).

tff(159,plain,
    ( in(1,empty)
  <=> in(1,add(2,empty)) ),
    inference(unit_resolution,[status(thm)],[158,71]) ).

tff(160,plain,
    ( ~ ! [U: $int] : ~ in(U,empty)
    | ~ in(1,empty) ),
    inference(quant_inst,[status(thm)],]) ).

tff(161,plain,
    ~ in(1,empty),
    inference(unit_resolution,[status(thm)],[160,34]) ).

tff(162,plain,
    ( ~ ( in(1,empty)
      <=> in(1,add(2,empty)) )
    | in(1,empty)
    | ~ in(1,add(2,empty)) ),
    inference(tautology,[status(thm)],]) ).

tff(163,plain,
    ~ in(1,add(2,empty)),
    inference(unit_resolution,[status(thm)],[162,161,159]) ).

tff(164,plain,
    ~ in(1,add(2,remove(2,add(2,empty)))),
    inference(modus_ponens,[status(thm)],[163,152]) ).

tff(165,plain,
    ( ~ ( in(1,add(2,remove(2,add(2,empty))))
      <=> in(1,remove(3,add(2,remove(2,add(2,empty))))) )
    | in(1,add(2,remove(2,add(2,empty))))
    | ~ in(1,remove(3,add(2,remove(2,add(2,empty))))) ),
    inference(tautology,[status(thm)],]) ).

tff(166,plain,
    ~ in(1,remove(3,add(2,remove(2,add(2,empty))))),
    inference(unit_resolution,[status(thm)],[165,164,150]) ).

tff(167,plain,
    ~ in(1,remove(3,add(2,empty))),
    inference(modus_ponens,[status(thm)],[166,127]) ).

tff(168,plain,
    ( ~ ( in(1,remove(3,add(2,empty)))
      <=> in(1,add(5,remove(3,add(2,empty)))) )
    | in(1,remove(3,add(2,empty)))
    | ~ in(1,add(5,remove(3,add(2,empty)))) ),
    inference(tautology,[status(thm)],]) ).

tff(169,plain,
    ~ in(1,add(5,remove(3,add(2,empty)))),
    inference(unit_resolution,[status(thm)],[168,167,100]) ).

tff(170,plain,
    ( ~ ( ~ in(1,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) )
    | in(1,add(5,remove(3,add(2,empty))))
    | ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1 ) ),
    inference(tautology,[status(thm)],]) ).

tff(171,plain,
    $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 1,
    inference(unit_resolution,[status(thm)],[170,169,93]) ).

tff(172,plain,
    ( ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) != 1 )
    | $greatereq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(173,plain,
    $greatereq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1),
    inference(unit_resolution,[status(thm)],[172,171]) ).

tff(174,plain,
    ( ~ ! [X6: collection] : $greatereq(count(X6),0)
    | $greatereq(count(remove(5,add(5,remove(3,add(2,empty))))),0) ),
    inference(quant_inst,[status(thm)],]) ).

tff(175,plain,
    $greatereq(count(remove(5,add(5,remove(3,add(2,empty))))),0),
    inference(unit_resolution,[status(thm)],[174,7]) ).

tff(176,plain,
    ^ [X7: collection] :
      refl(
        ( ( ( X7 = empty )
        <=> ( count(X7) = 0 ) )
      <=> ( ( X7 = empty )
        <=> ( count(X7) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(177,plain,
    ( ! [X7: collection] :
        ( ( X7 = empty )
      <=> ( count(X7) = 0 ) )
  <=> ! [X7: collection] :
        ( ( X7 = empty )
      <=> ( count(X7) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[176]) ).

tff(178,plain,
    ( ! [X7: collection] :
        ( ( X7 = empty )
      <=> ( count(X7) = 0 ) )
  <=> ! [X7: collection] :
        ( ( X7 = empty )
      <=> ( count(X7) = 0 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(179,axiom,
    ! [X7: collection] :
      ( ( X7 = empty )
    <=> ( count(X7) = 0 ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax2) ).

tff(180,plain,
    ! [X7: collection] :
      ( ( X7 = empty )
    <=> ( count(X7) = 0 ) ),
    inference(modus_ponens,[status(thm)],[179,178]) ).

tff(181,plain,
    ! [X7: collection] :
      ( ( X7 = empty )
    <=> ( count(X7) = 0 ) ),
    inference(skolemize,[status(sab)],[180]) ).

tff(182,plain,
    ! [X7: collection] :
      ( ( X7 = empty )
    <=> ( count(X7) = 0 ) ),
    inference(modus_ponens,[status(thm)],[181,177]) ).

tff(183,plain,
    ( ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( count(empty) = 0 ) )
  <=> ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( count(empty) = 0 ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(184,plain,
    ( ( $true
    <=> ( count(empty) = 0 ) )
  <=> ( count(empty) = 0 ) ),
    inference(rewrite,[status(thm)],]) ).

tff(185,plain,
    ( ( empty = empty )
  <=> $true ),
    inference(rewrite,[status(thm)],]) ).

tff(186,plain,
    ( ( ( empty = empty )
    <=> ( count(empty) = 0 ) )
  <=> ( $true
    <=> ( count(empty) = 0 ) ) ),
    inference(monotonicity,[status(thm)],[185]) ).

tff(187,plain,
    ( ( ( empty = empty )
    <=> ( count(empty) = 0 ) )
  <=> ( count(empty) = 0 ) ),
    inference(transitivity,[status(thm)],[186,184]) ).

tff(188,plain,
    ( ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( ( empty = empty )
      <=> ( count(empty) = 0 ) ) )
  <=> ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( count(empty) = 0 ) ) ),
    inference(monotonicity,[status(thm)],[187]) ).

tff(189,plain,
    ( ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( ( empty = empty )
      <=> ( count(empty) = 0 ) ) )
  <=> ( ~ ! [X7: collection] :
            ( ( X7 = empty )
          <=> ( count(X7) = 0 ) )
      | ( count(empty) = 0 ) ) ),
    inference(transitivity,[status(thm)],[188,183]) ).

tff(190,plain,
    ( ~ ! [X7: collection] :
          ( ( X7 = empty )
        <=> ( count(X7) = 0 ) )
    | ( ( empty = empty )
    <=> ( count(empty) = 0 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(191,plain,
    ( ~ ! [X7: collection] :
          ( ( X7 = empty )
        <=> ( count(X7) = 0 ) )
    | ( count(empty) = 0 ) ),
    inference(modus_ponens,[status(thm)],[190,189]) ).

tff(192,plain,
    count(empty) = 0,
    inference(unit_resolution,[status(thm)],[191,182]) ).

tff(193,plain,
    ( ( count(empty) != 0 )
    | $lesseq(count(empty),0) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(194,plain,
    $lesseq(count(empty),0),
    inference(unit_resolution,[status(thm)],[193,192]) ).

tff(195,plain,
    ^ [X12: $int,X13: collection] :
      refl(
        ( ( in(X12,X13)
        <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) )
      <=> ( in(X12,X13)
        <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(196,plain,
    ( ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) )
  <=> ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ) ),
    inference(quant_intro,[status(thm)],[195]) ).

tff(197,plain,
    ^ [X12: $int,X13: collection] :
      rewrite(
        ( ( in(X12,X13)
        <=> ( $sum(count(remove(X12,X13)),$product(-1,count(X13))) = -1 ) )
      <=> ( in(X12,X13)
        <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(198,plain,
    ( ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( $sum(count(remove(X12,X13)),$product(-1,count(X13))) = -1 ) )
  <=> ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ) ),
    inference(quant_intro,[status(thm)],[197]) ).

tff(199,plain,
    ^ [X12: $int,X13: collection] :
      rewrite(
        ( ( in(X12,X13)
        <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) )
      <=> ( in(X12,X13)
        <=> ( $sum(count(remove(X12,X13)),$product(-1,count(X13))) = -1 ) ) )),
    inference(bind,[status(th)],]) ).

tff(200,plain,
    ( ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) )
  <=> ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( $sum(count(remove(X12,X13)),$product(-1,count(X13))) = -1 ) ) ),
    inference(quant_intro,[status(thm)],[199]) ).

tff(201,plain,
    ( ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) )
  <=> ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(202,plain,
    ^ [X12: $int,X13: collection] :
      rewrite(
        ( ( in(X12,X13)
        <=> ( count(remove(X12,X13)) = $difference(count(X13),1) ) )
      <=> ( in(X12,X13)
        <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) ) )),
    inference(bind,[status(th)],]) ).

tff(203,plain,
    ( ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( count(remove(X12,X13)) = $difference(count(X13),1) ) )
  <=> ! [X12: $int,X13: collection] :
        ( in(X12,X13)
      <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) ) ),
    inference(quant_intro,[status(thm)],[202]) ).

tff(204,axiom,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( count(remove(X12,X13)) = $difference(count(X13),1) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax5) ).

tff(205,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) ),
    inference(modus_ponens,[status(thm)],[204,203]) ).

tff(206,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( count(remove(X12,X13)) = $sum(-1,count(X13)) ) ),
    inference(modus_ponens,[status(thm)],[205,201]) ).

tff(207,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( $sum(count(remove(X12,X13)),$product(-1,count(X13))) = -1 ) ),
    inference(modus_ponens,[status(thm)],[206,200]) ).

tff(208,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ),
    inference(modus_ponens,[status(thm)],[207,198]) ).

tff(209,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ),
    inference(skolemize,[status(sab)],[208]) ).

tff(210,plain,
    ! [X12: $int,X13: collection] :
      ( in(X12,X13)
    <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) ),
    inference(modus_ponens,[status(thm)],[209,196]) ).

tff(211,plain,
    ( ~ ! [X12: $int,X13: collection] :
          ( in(X12,X13)
        <=> ( $sum(count(X13),$product(-1,count(remove(X12,X13)))) = 1 ) )
    | ( in(5,add(5,remove(3,add(2,empty))))
    <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(212,plain,
    ( in(5,add(5,remove(3,add(2,empty))))
  <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) ),
    inference(unit_resolution,[status(thm)],[211,210]) ).

tff(213,plain,
    ( ~ ! [V: $int,W: collection] : in(V,add(V,W))
    | in(5,add(5,remove(3,add(2,empty)))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(214,plain,
    in(5,add(5,remove(3,add(2,empty)))),
    inference(unit_resolution,[status(thm)],[213,107]) ).

tff(215,plain,
    ( ~ ( in(5,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) )
    | ~ in(5,add(5,remove(3,add(2,empty))))
    | ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) ),
    inference(tautology,[status(thm)],]) ).

tff(216,plain,
    ( ~ ( in(5,add(5,remove(3,add(2,empty))))
      <=> ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) )
    | ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1 ) ),
    inference(unit_resolution,[status(thm)],[215,214]) ).

tff(217,plain,
    $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) = 1,
    inference(unit_resolution,[status(thm)],[216,212]) ).

tff(218,plain,
    ( ( $sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))) != 1 )
    | $greatereq($sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))),1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(219,plain,
    $greatereq($sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))),1),
    inference(unit_resolution,[status(thm)],[218,217]) ).

tff(220,plain,
    ( ( $sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))) != 0 )
    | $greatereq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(221,plain,
    $greatereq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0),
    inference(unit_resolution,[status(thm)],[220,84]) ).

tff(222,plain,
    ( ( $sum(count(empty),$product(-1,count(add(2,empty)))) != -1 )
    | $greatereq($sum(count(empty),$product(-1,count(add(2,empty)))),-1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(223,plain,
    $greatereq($sum(count(empty),$product(-1,count(add(2,empty)))),-1),
    inference(unit_resolution,[status(thm)],[222,38]) ).

tff(224,plain,
    ( $lesseq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0)
    | ~ $greatereq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0)
    | ~ $lesseq(count(empty),0)
    | ~ $greatereq($sum(count(empty),$product(-1,count(add(2,empty)))),-1)
    | ~ $greatereq(count(remove(5,add(5,remove(3,add(2,empty))))),0)
    | ~ $greatereq($sum(count(add(5,remove(3,add(2,empty)))),$product(-1,count(remove(5,add(5,remove(3,add(2,empty))))))),1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(225,plain,
    $lesseq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0),
    inference(unit_resolution,[status(thm)],[224,223,221,219,194,175]) ).

tff(226,plain,
    ^ [X10: $int,X11: collection] :
      refl(
        ( ( in(X10,X11)
        <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) )
      <=> ( in(X10,X11)
        <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(227,plain,
    ( ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) )
  <=> ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[226]) ).

tff(228,plain,
    ^ [X10: $int,X11: collection] :
      rewrite(
        ( ( in(X10,X11)
        <=> ( $sum(count(add(X10,X11)),$product(-1,count(X11))) = 0 ) )
      <=> ( in(X10,X11)
        <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(229,plain,
    ( ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( $sum(count(add(X10,X11)),$product(-1,count(X11))) = 0 ) )
  <=> ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[228]) ).

tff(230,plain,
    ^ [X10: $int,X11: collection] :
      rewrite(
        ( ( in(X10,X11)
        <=> ( count(add(X10,X11)) = count(X11) ) )
      <=> ( in(X10,X11)
        <=> ( $sum(count(add(X10,X11)),$product(-1,count(X11))) = 0 ) ) )),
    inference(bind,[status(th)],]) ).

tff(231,plain,
    ( ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( count(add(X10,X11)) = count(X11) ) )
  <=> ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( $sum(count(add(X10,X11)),$product(-1,count(X11))) = 0 ) ) ),
    inference(quant_intro,[status(thm)],[230]) ).

tff(232,plain,
    ( ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( count(add(X10,X11)) = count(X11) ) )
  <=> ! [X10: $int,X11: collection] :
        ( in(X10,X11)
      <=> ( count(add(X10,X11)) = count(X11) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(233,axiom,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( count(add(X10,X11)) = count(X11) ) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/DAT002=1.ax',ax4) ).

tff(234,plain,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( count(add(X10,X11)) = count(X11) ) ),
    inference(modus_ponens,[status(thm)],[233,232]) ).

tff(235,plain,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( $sum(count(add(X10,X11)),$product(-1,count(X11))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[234,231]) ).

tff(236,plain,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[235,229]) ).

tff(237,plain,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ),
    inference(skolemize,[status(sab)],[236]) ).

tff(238,plain,
    ! [X10: $int,X11: collection] :
      ( in(X10,X11)
    <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) ),
    inference(modus_ponens,[status(thm)],[237,227]) ).

tff(239,plain,
    ( ~ ! [X10: $int,X11: collection] :
          ( in(X10,X11)
        <=> ( $sum(count(X11),$product(-1,count(add(X10,X11)))) = 0 ) )
    | ( in(5,remove(3,add(2,empty)))
    <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 0 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(240,plain,
    ( in(5,remove(3,add(2,empty)))
  <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 0 ) ),
    inference(unit_resolution,[status(thm)],[239,238]) ).

tff(241,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(5,add(2,empty))
      <=> in(5,remove(3,add(2,empty))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(5,add(2,empty))
      <=> in(5,remove(3,add(2,empty))) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(242,plain,
    ( ( ~ ( ~ in(5,add(2,empty))
          | ( $sum(3,$product(-1,5)) = 0 ) )
    <=> in(5,remove(3,add(2,empty))) )
  <=> ( in(5,add(2,empty))
    <=> in(5,remove(3,add(2,empty))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(243,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( ~ ( ~ in(5,add(2,empty))
            | ( $sum(3,$product(-1,5)) = 0 ) )
      <=> in(5,remove(3,add(2,empty))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(5,add(2,empty))
      <=> in(5,remove(3,add(2,empty))) ) ) ),
    inference(monotonicity,[status(thm)],[242]) ).

tff(244,plain,
    ( ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( ~ ( ~ in(5,add(2,empty))
            | ( $sum(3,$product(-1,5)) = 0 ) )
      <=> in(5,remove(3,add(2,empty))) ) )
  <=> ( ~ ! [X3: $int,X4: collection,X5: $int] :
            ( ~ ( ~ in(X3,X4)
                | ( $sum(X5,$product(-1,X3)) = 0 ) )
          <=> in(X3,remove(X5,X4)) )
      | ( in(5,add(2,empty))
      <=> in(5,remove(3,add(2,empty))) ) ) ),
    inference(transitivity,[status(thm)],[243,241]) ).

tff(245,plain,
    ( ~ ! [X3: $int,X4: collection,X5: $int] :
          ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) )
    | ( ~ ( ~ in(5,add(2,empty))
          | ( $sum(3,$product(-1,5)) = 0 ) )
    <=> in(5,remove(3,add(2,empty))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(246,plain,
    ( ~ ! [X3: $int,X4: collection,X5: $int] :
          ( ~ ( ~ in(X3,X4)
              | ( $sum(X5,$product(-1,X3)) = 0 ) )
        <=> in(X3,remove(X5,X4)) )
    | ( in(5,add(2,empty))
    <=> in(5,remove(3,add(2,empty))) ) ),
    inference(modus_ponens,[status(thm)],[245,244]) ).

tff(247,plain,
    ( in(5,add(2,empty))
  <=> in(5,remove(3,add(2,empty))) ),
    inference(unit_resolution,[status(thm)],[246,143]) ).

tff(248,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(5,empty)
      <=> in(5,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(5,empty)
      <=> in(5,add(2,empty)) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(249,plain,
    ( ( ( in(5,empty)
        | ( $sum(2,$product(-1,5)) = 0 ) )
    <=> in(5,add(2,empty)) )
  <=> ( in(5,empty)
    <=> in(5,add(2,empty)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(250,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(5,empty)
          | ( $sum(2,$product(-1,5)) = 0 ) )
      <=> in(5,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(5,empty)
      <=> in(5,add(2,empty)) ) ) ),
    inference(monotonicity,[status(thm)],[249]) ).

tff(251,plain,
    ( ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( ( in(5,empty)
          | ( $sum(2,$product(-1,5)) = 0 ) )
      <=> in(5,add(2,empty)) ) )
  <=> ( ~ ! [Z: $int,X1: collection,X2: $int] :
            ( ( in(Z,X1)
              | ( $sum(X2,$product(-1,Z)) = 0 ) )
          <=> in(Z,add(X2,X1)) )
      | ( in(5,empty)
      <=> in(5,add(2,empty)) ) ) ),
    inference(transitivity,[status(thm)],[250,248]) ).

tff(252,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( ( in(5,empty)
        | ( $sum(2,$product(-1,5)) = 0 ) )
    <=> in(5,add(2,empty)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(253,plain,
    ( ~ ! [Z: $int,X1: collection,X2: $int] :
          ( ( in(Z,X1)
            | ( $sum(X2,$product(-1,Z)) = 0 ) )
        <=> in(Z,add(X2,X1)) )
    | ( in(5,empty)
    <=> in(5,add(2,empty)) ) ),
    inference(modus_ponens,[status(thm)],[252,251]) ).

tff(254,plain,
    ( in(5,empty)
  <=> in(5,add(2,empty)) ),
    inference(unit_resolution,[status(thm)],[253,71]) ).

tff(255,plain,
    ( ~ ! [U: $int] : ~ in(U,empty)
    | ~ in(5,empty) ),
    inference(quant_inst,[status(thm)],]) ).

tff(256,plain,
    ~ in(5,empty),
    inference(unit_resolution,[status(thm)],[255,34]) ).

tff(257,plain,
    ( ~ ( in(5,empty)
      <=> in(5,add(2,empty)) )
    | in(5,empty)
    | ~ in(5,add(2,empty)) ),
    inference(tautology,[status(thm)],]) ).

tff(258,plain,
    ~ in(5,add(2,empty)),
    inference(unit_resolution,[status(thm)],[257,256,254]) ).

tff(259,plain,
    ( ~ ( in(5,add(2,empty))
      <=> in(5,remove(3,add(2,empty))) )
    | in(5,add(2,empty))
    | ~ in(5,remove(3,add(2,empty))) ),
    inference(tautology,[status(thm)],]) ).

tff(260,plain,
    ~ in(5,remove(3,add(2,empty))),
    inference(unit_resolution,[status(thm)],[259,258,247]) ).

tff(261,plain,
    ( ~ ( in(5,remove(3,add(2,empty)))
      <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 0 ) )
    | in(5,remove(3,add(2,empty)))
    | ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) != 0 ) ),
    inference(tautology,[status(thm)],]) ).

tff(262,plain,
    $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) != 0,
    inference(unit_resolution,[status(thm)],[261,260,240]) ).

tff(263,plain,
    ( ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = 0 )
    | ~ $lesseq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0)
    | ~ $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(264,plain,
    ~ $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0),
    inference(unit_resolution,[status(thm)],[263,262,225]) ).

tff(265,plain,
    ( $greatereq(count(add(1,add(5,remove(3,add(2,empty))))),3)
    | ~ $greatereq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1)
    | $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),0)
    | ~ $lesseq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0)
    | ~ $greatereq(count(empty),0)
    | ~ $lesseq($sum(count(empty),$product(-1,count(add(2,empty)))),-1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(266,plain,
    $greatereq(count(add(1,add(5,remove(3,add(2,empty))))),3),
    inference(unit_resolution,[status(thm)],[265,264,173,86,40,9]) ).

tff(267,plain,
    ( ( $sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))) != 1 )
    | $lesseq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(268,plain,
    $lesseq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1),
    inference(unit_resolution,[status(thm)],[267,171]) ).

tff(269,plain,
    ( ~ ! [X8: $int,X9: collection] :
          ( ~ in(X8,X9)
        <=> ( $sum(count(X9),$product(-1,count(add(X8,X9)))) = -1 ) )
    | ( ~ in(5,remove(3,add(2,empty)))
    <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = -1 ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(270,plain,
    ( ~ in(5,remove(3,add(2,empty)))
  <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = -1 ) ),
    inference(unit_resolution,[status(thm)],[269,25]) ).

tff(271,plain,
    ( ~ ( ~ in(5,remove(3,add(2,empty)))
      <=> ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = -1 ) )
    | in(5,remove(3,add(2,empty)))
    | ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = -1 ) ),
    inference(tautology,[status(thm)],]) ).

tff(272,plain,
    $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) = -1,
    inference(unit_resolution,[status(thm)],[271,260,270]) ).

tff(273,plain,
    ( ( $sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))) != -1 )
    | $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),-1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(274,plain,
    $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),-1),
    inference(unit_resolution,[status(thm)],[273,272]) ).

tff(275,plain,
    ( $lesseq(count(add(1,add(5,remove(3,add(2,empty))))),3)
    | ~ $lesseq($sum(count(add(1,add(5,remove(3,add(2,empty))))),$product(-1,count(add(5,remove(3,add(2,empty)))))),1)
    | ~ $greatereq($sum(count(remove(3,add(2,empty))),$product(-1,count(add(5,remove(3,add(2,empty)))))),-1)
    | ~ $greatereq($sum(count(add(2,empty)),$product(-1,count(remove(3,add(2,empty))))),0)
    | ~ $lesseq(count(empty),0)
    | ~ $greatereq($sum(count(empty),$product(-1,count(add(2,empty)))),-1) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(276,plain,
    $lesseq(count(add(1,add(5,remove(3,add(2,empty))))),3),
    inference(unit_resolution,[status(thm)],[275,274,268,221,223,194]) ).

tff(277,plain,
    ( ( count(add(1,add(5,remove(3,add(2,empty))))) != 3 )
  <=> ( count(add(1,add(5,remove(3,add(2,empty))))) != 3 ) ),
    inference(rewrite,[status(thm)],]) ).

tff(278,axiom,
    count(add(1,add(5,remove(3,add(2,empty))))) != 3,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',co1) ).

tff(279,plain,
    count(add(1,add(5,remove(3,add(2,empty))))) != 3,
    inference(modus_ponens,[status(thm)],[278,277]) ).

tff(280,plain,
    ( ( count(add(1,add(5,remove(3,add(2,empty))))) = 3 )
    | ~ $lesseq(count(add(1,add(5,remove(3,add(2,empty))))),3)
    | ~ $greatereq(count(add(1,add(5,remove(3,add(2,empty))))),3) ),
    inference(theory_lemma,[status(thm)],]) ).

tff(281,plain,
    ( ~ $lesseq(count(add(1,add(5,remove(3,add(2,empty))))),3)
    | ~ $greatereq(count(add(1,add(5,remove(3,add(2,empty))))),3) ),
    inference(unit_resolution,[status(thm)],[280,279]) ).

tff(282,plain,
    $false,
    inference(unit_resolution,[status(thm)],[281,276,266]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : DAT048_1 : TPTP v8.1.0. Released v5.0.0.
% 0.07/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Wed Aug 31 01:42:11 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 0.20/0.44  % SZS status Theorem
% 0.20/0.44  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------