TSTP Solution File: LAT011-1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : LAT011-1 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n020.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sat Sep 17 18:31:42 EDT 2022

% Result   : Unsatisfiable 0.12s 0.39s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   60
% Syntax   : Number of formulae    :  159 ( 110 unt;   5 typ;   0 def)
%            Number of atoms       :  218 ( 207 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   81 (  27   ~;  23   |;   0   &)
%                                         (  31 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of FOOLs       :   10 (  10 fml;   0 var)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    6 (   3   >;   3   *;   0   +;   0  <<)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  258 ( 235   !;   0   ?; 258   :)

% Comments : 
%------------------------------------------------------------------------------
tff(meet2_type,type,
    meet2: ( $i * $i ) > $i ).

tff(b_type,type,
    b: $i ).

tff(a_type,type,
    a: $i ).

tff(meet_type,type,
    meet: ( $i * $i ) > $i ).

tff(join_type,type,
    join: ( $i * $i ) > $i ).

tff(1,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( meet2(X,join(X,Y)) = X )
      <=> ( meet2(X,join(X,Y)) = X ) )),
    inference(bind,[status(th)],]) ).

tff(2,plain,
    ( ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ) ),
    inference(quant_intro,[status(thm)],[1]) ).

tff(3,plain,
    ( ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ) ),
    inference(rewrite,[status(thm)],]) ).

tff(4,axiom,
    ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',absorption1_2) ).

tff(5,plain,
    ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[4,3]) ).

tff(6,plain,
    ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ),
    inference(skolemize,[status(sab)],[5]) ).

tff(7,plain,
    ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[6,2]) ).

tff(8,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X )
    | ( meet2(meet2(a,b),join(meet2(a,b),meet(a,b))) = meet2(a,b) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(9,plain,
    meet2(meet2(a,b),join(meet2(a,b),meet(a,b))) = meet2(a,b),
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) )
      <=> ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ) )),
    inference(bind,[status(th)],]) ).

tff(11,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(13,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',associativity_of_meet2) ).

tff(14,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[15,11]) ).

tff(17,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) )
    | ( meet2(meet2(a,b),join(meet2(a,b),meet(a,b))) = meet2(a,meet2(b,join(meet2(a,b),meet(a,b)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(18,plain,
    meet2(meet2(a,b),join(meet2(a,b),meet(a,b))) = meet2(a,meet2(b,join(meet2(a,b),meet(a,b)))),
    inference(unit_resolution,[status(thm)],[17,16]) ).

tff(19,plain,
    meet2(a,meet2(b,join(meet2(a,b),meet(a,b)))) = meet2(meet2(a,b),join(meet2(a,b),meet(a,b))),
    inference(symmetry,[status(thm)],[18]) ).

tff(20,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( meet2(X,Y) = meet2(Y,X) )
      <=> ( meet2(X,Y) = meet2(Y,X) ) )),
    inference(bind,[status(th)],]) ).

tff(21,plain,
    ( ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) )
  <=> ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ) ),
    inference(quant_intro,[status(thm)],[20]) ).

tff(22,plain,
    ( ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) )
  <=> ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(23,axiom,
    ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',commutativity_of_meet2) ).

tff(24,plain,
    ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ),
    inference(modus_ponens,[status(thm)],[23,22]) ).

tff(25,plain,
    ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ),
    inference(skolemize,[status(sab)],[24]) ).

tff(26,plain,
    ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) ),
    inference(modus_ponens,[status(thm)],[25,21]) ).

tff(27,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) )
    | ( meet2(meet2(b,join(meet2(a,b),meet(a,b))),a) = meet2(a,meet2(b,join(meet2(a,b),meet(a,b)))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(28,plain,
    meet2(meet2(b,join(meet2(a,b),meet(a,b))),a) = meet2(a,meet2(b,join(meet2(a,b),meet(a,b)))),
    inference(unit_resolution,[status(thm)],[27,26]) ).

tff(29,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( meet2(meet2(X,Y),Z) = meet2(X,meet2(Y,Z)) )
    | ( meet2(meet2(b,join(meet2(a,b),meet(a,b))),a) = meet2(b,meet2(join(meet2(a,b),meet(a,b)),a)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(30,plain,
    meet2(meet2(b,join(meet2(a,b),meet(a,b))),a) = meet2(b,meet2(join(meet2(a,b),meet(a,b)),a)),
    inference(unit_resolution,[status(thm)],[29,16]) ).

tff(31,plain,
    meet2(b,meet2(join(meet2(a,b),meet(a,b)),a)) = meet2(meet2(b,join(meet2(a,b),meet(a,b))),a),
    inference(symmetry,[status(thm)],[30]) ).

tff(32,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X )
    | ( meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)) = join(meet2(a,b),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(33,plain,
    meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)) = join(meet2(a,b),meet(a,b)),
    inference(unit_resolution,[status(thm)],[32,7]) ).

tff(34,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( join(X,Y) = join(Y,X) )
      <=> ( join(X,Y) = join(Y,X) ) )),
    inference(bind,[status(th)],]) ).

tff(35,plain,
    ( ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) )
  <=> ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ) ),
    inference(quant_intro,[status(thm)],[34]) ).

tff(36,plain,
    ( ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) )
  <=> ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(37,axiom,
    ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',commutativity_of_join) ).

tff(38,plain,
    ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ),
    inference(modus_ponens,[status(thm)],[37,36]) ).

tff(39,plain,
    ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ),
    inference(skolemize,[status(sab)],[38]) ).

tff(40,plain,
    ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) ),
    inference(modus_ponens,[status(thm)],[39,35]) ).

tff(41,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) )
    | ( join(join(meet2(a,b),meet(a,b)),a) = join(a,join(meet2(a,b),meet(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(42,plain,
    join(join(meet2(a,b),meet(a,b)),a) = join(a,join(meet2(a,b),meet(a,b))),
    inference(unit_resolution,[status(thm)],[41,40]) ).

tff(43,plain,
    join(a,join(meet2(a,b),meet(a,b))) = join(join(meet2(a,b),meet(a,b)),a),
    inference(symmetry,[status(thm)],[42]) ).

tff(44,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( join(join(X,Y),Z) = join(X,join(Y,Z)) )
      <=> ( join(join(X,Y),Z) = join(X,join(Y,Z)) ) )),
    inference(bind,[status(th)],]) ).

tff(45,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ) ),
    inference(quant_intro,[status(thm)],[44]) ).

tff(46,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(47,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',associativity_of_join) ).

tff(48,plain,
    ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[47,46]) ).

tff(49,plain,
    ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ),
    inference(skolemize,[status(sab)],[48]) ).

tff(50,plain,
    ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[49,45]) ).

tff(51,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) )
    | ( join(join(a,meet2(a,b)),meet(a,b)) = join(a,join(meet2(a,b),meet(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(52,plain,
    join(join(a,meet2(a,b)),meet(a,b)) = join(a,join(meet2(a,b),meet(a,b))),
    inference(unit_resolution,[status(thm)],[51,50]) ).

tff(53,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( join(X,meet2(X,Y)) = X )
      <=> ( join(X,meet2(X,Y)) = X ) )),
    inference(bind,[status(th)],]) ).

tff(54,plain,
    ( ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ) ),
    inference(quant_intro,[status(thm)],[53]) ).

tff(55,plain,
    ( ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ) ),
    inference(rewrite,[status(thm)],]) ).

tff(56,axiom,
    ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',absorption2_2) ).

tff(57,plain,
    ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[56,55]) ).

tff(58,plain,
    ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ),
    inference(skolemize,[status(sab)],[57]) ).

tff(59,plain,
    ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[58,54]) ).

tff(60,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X )
    | ( join(a,meet2(a,b)) = a ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(61,plain,
    join(a,meet2(a,b)) = a,
    inference(unit_resolution,[status(thm)],[60,59]) ).

tff(62,plain,
    join(join(a,meet2(a,b)),meet(a,b)) = join(a,meet(a,b)),
    inference(monotonicity,[status(thm)],[61]) ).

tff(63,plain,
    join(a,meet(a,b)) = join(join(a,meet2(a,b)),meet(a,b)),
    inference(symmetry,[status(thm)],[62]) ).

tff(64,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( join(X,meet(X,Y)) = X )
      <=> ( join(X,meet(X,Y)) = X ) )),
    inference(bind,[status(th)],]) ).

tff(65,plain,
    ( ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ) ),
    inference(quant_intro,[status(thm)],[64]) ).

tff(66,plain,
    ( ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ) ),
    inference(rewrite,[status(thm)],]) ).

tff(67,axiom,
    ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',absorption2) ).

tff(68,plain,
    ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[67,66]) ).

tff(69,plain,
    ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ),
    inference(skolemize,[status(sab)],[68]) ).

tff(70,plain,
    ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[69,65]) ).

tff(71,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X )
    | ( join(a,meet(a,b)) = a ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(72,plain,
    join(a,meet(a,b)) = a,
    inference(unit_resolution,[status(thm)],[71,70]) ).

tff(73,plain,
    a = join(a,meet(a,b)),
    inference(symmetry,[status(thm)],[72]) ).

tff(74,plain,
    a = join(join(meet2(a,b),meet(a,b)),a),
    inference(transitivity,[status(thm)],[73,63,52,43]) ).

tff(75,plain,
    meet2(join(meet2(a,b),meet(a,b)),a) = meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)),
    inference(monotonicity,[status(thm)],[74]) ).

tff(76,plain,
    meet2(join(meet2(a,b),meet(a,b)),a) = join(meet2(a,b),meet(a,b)),
    inference(transitivity,[status(thm)],[75,33]) ).

tff(77,plain,
    meet2(b,meet2(join(meet2(a,b),meet(a,b)),a)) = meet2(b,join(meet2(a,b),meet(a,b))),
    inference(monotonicity,[status(thm)],[76]) ).

tff(78,plain,
    meet2(b,join(meet2(a,b),meet(a,b))) = meet2(b,meet2(join(meet2(a,b),meet(a,b)),a)),
    inference(symmetry,[status(thm)],[77]) ).

tff(79,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) )
    | ( meet2(join(meet2(a,b),meet(a,b)),b) = meet2(b,join(meet2(a,b),meet(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(80,plain,
    meet2(join(meet2(a,b),meet(a,b)),b) = meet2(b,join(meet2(a,b),meet(a,b))),
    inference(unit_resolution,[status(thm)],[79,26]) ).

tff(81,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) )
    | ( join(join(meet2(a,b),meet(a,b)),b) = join(b,join(meet2(a,b),meet(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(82,plain,
    join(join(meet2(a,b),meet(a,b)),b) = join(b,join(meet2(a,b),meet(a,b))),
    inference(unit_resolution,[status(thm)],[81,40]) ).

tff(83,plain,
    join(b,join(meet2(a,b),meet(a,b))) = join(join(meet2(a,b),meet(a,b)),b),
    inference(symmetry,[status(thm)],[82]) ).

tff(84,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,Y) = join(Y,X) )
    | ( join(meet(a,b),meet2(a,b)) = join(meet2(a,b),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(85,plain,
    join(meet(a,b),meet2(a,b)) = join(meet2(a,b),meet(a,b)),
    inference(unit_resolution,[status(thm)],[84,40]) ).

tff(86,plain,
    join(meet2(a,b),meet(a,b)) = join(meet(a,b),meet2(a,b)),
    inference(symmetry,[status(thm)],[85]) ).

tff(87,plain,
    join(b,join(meet2(a,b),meet(a,b))) = join(b,join(meet(a,b),meet2(a,b))),
    inference(monotonicity,[status(thm)],[86]) ).

tff(88,plain,
    join(b,join(meet(a,b),meet2(a,b))) = join(b,join(meet2(a,b),meet(a,b))),
    inference(symmetry,[status(thm)],[87]) ).

tff(89,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( join(join(X,Y),Z) = join(X,join(Y,Z)) )
    | ( join(join(b,meet(a,b)),meet2(a,b)) = join(b,join(meet(a,b),meet2(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(90,plain,
    join(join(b,meet(a,b)),meet2(a,b)) = join(b,join(meet(a,b),meet2(a,b))),
    inference(unit_resolution,[status(thm)],[89,50]) ).

tff(91,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,Y) = meet2(Y,X) )
    | ( meet2(b,a) = meet2(a,b) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(92,plain,
    meet2(b,a) = meet2(a,b),
    inference(unit_resolution,[status(thm)],[91,26]) ).

tff(93,plain,
    meet2(a,b) = meet2(b,a),
    inference(symmetry,[status(thm)],[92]) ).

tff(94,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,meet(X,Y)) = X )
    | ( join(b,meet(b,a)) = b ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(95,plain,
    join(b,meet(b,a)) = b,
    inference(unit_resolution,[status(thm)],[94,70]) ).

tff(96,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( meet(X,Y) = meet(Y,X) )
      <=> ( meet(X,Y) = meet(Y,X) ) )),
    inference(bind,[status(th)],]) ).

tff(97,plain,
    ( ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) )
  <=> ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ) ),
    inference(quant_intro,[status(thm)],[96]) ).

tff(98,plain,
    ( ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) )
  <=> ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(99,axiom,
    ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',commutativity_of_meet) ).

tff(100,plain,
    ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ),
    inference(modus_ponens,[status(thm)],[99,98]) ).

tff(101,plain,
    ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ),
    inference(skolemize,[status(sab)],[100]) ).

tff(102,plain,
    ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) ),
    inference(modus_ponens,[status(thm)],[101,97]) ).

tff(103,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) )
    | ( meet(b,a) = meet(a,b) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(104,plain,
    meet(b,a) = meet(a,b),
    inference(unit_resolution,[status(thm)],[103,102]) ).

tff(105,plain,
    meet(a,b) = meet(b,a),
    inference(symmetry,[status(thm)],[104]) ).

tff(106,plain,
    join(b,meet(a,b)) = join(b,meet(b,a)),
    inference(monotonicity,[status(thm)],[105]) ).

tff(107,plain,
    join(b,meet(a,b)) = b,
    inference(transitivity,[status(thm)],[106,95]) ).

tff(108,plain,
    join(join(b,meet(a,b)),meet2(a,b)) = join(b,meet2(b,a)),
    inference(monotonicity,[status(thm)],[107,93]) ).

tff(109,plain,
    join(b,meet2(b,a)) = join(join(b,meet(a,b)),meet2(a,b)),
    inference(symmetry,[status(thm)],[108]) ).

tff(110,plain,
    ( ~ ! [Y: $i,X: $i] : ( join(X,meet2(X,Y)) = X )
    | ( join(b,meet2(b,a)) = b ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(111,plain,
    join(b,meet2(b,a)) = b,
    inference(unit_resolution,[status(thm)],[110,59]) ).

tff(112,plain,
    b = join(b,meet2(b,a)),
    inference(symmetry,[status(thm)],[111]) ).

tff(113,plain,
    b = join(join(meet2(a,b),meet(a,b)),b),
    inference(transitivity,[status(thm)],[112,109,90,88,83]) ).

tff(114,plain,
    meet2(join(meet2(a,b),meet(a,b)),b) = meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)),
    inference(monotonicity,[status(thm)],[113]) ).

tff(115,plain,
    meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)) = meet2(join(meet2(a,b),meet(a,b)),b),
    inference(symmetry,[status(thm)],[114]) ).

tff(116,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet2(X,join(X,Y)) = X )
    | ( meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)) = join(meet2(a,b),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(117,plain,
    meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)) = join(meet2(a,b),meet(a,b)),
    inference(unit_resolution,[status(thm)],[116,7]) ).

tff(118,plain,
    join(meet2(a,b),meet(a,b)) = meet2(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)),
    inference(symmetry,[status(thm)],[117]) ).

tff(119,plain,
    ^ [Y: $i,X: $i] :
      refl(
        ( ( meet(X,join(X,Y)) = X )
      <=> ( meet(X,join(X,Y)) = X ) )),
    inference(bind,[status(th)],]) ).

tff(120,plain,
    ( ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ) ),
    inference(quant_intro,[status(thm)],[119]) ).

tff(121,plain,
    ( ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ) ),
    inference(rewrite,[status(thm)],]) ).

tff(122,axiom,
    ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',absorption1) ).

tff(123,plain,
    ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[122,121]) ).

tff(124,plain,
    ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ),
    inference(skolemize,[status(sab)],[123]) ).

tff(125,plain,
    ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[124,120]) ).

tff(126,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X )
    | ( meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)) = join(meet2(a,b),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(127,plain,
    meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)) = join(meet2(a,b),meet(a,b)),
    inference(unit_resolution,[status(thm)],[126,125]) ).

tff(128,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X )
    | ( meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)) = join(meet2(a,b),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(129,plain,
    meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)) = join(meet2(a,b),meet(a,b)),
    inference(unit_resolution,[status(thm)],[128,125]) ).

tff(130,plain,
    meet(join(meet2(a,b),meet(a,b)),a) = meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),a)),
    inference(monotonicity,[status(thm)],[74]) ).

tff(131,plain,
    meet(join(meet2(a,b),meet(a,b)),a) = join(meet2(a,b),meet(a,b)),
    inference(transitivity,[status(thm)],[130,129]) ).

tff(132,plain,
    meet(meet(join(meet2(a,b),meet(a,b)),a),b) = meet(join(meet2(a,b),meet(a,b)),join(join(meet2(a,b),meet(a,b)),b)),
    inference(monotonicity,[status(thm)],[131,113]) ).

tff(133,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(
        ( ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) )
      <=> ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ) )),
    inference(bind,[status(th)],]) ).

tff(134,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ) ),
    inference(quant_intro,[status(thm)],[133]) ).

tff(135,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(136,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/LAT001-0.ax',associativity_of_meet) ).

tff(137,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[136,135]) ).

tff(138,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ),
    inference(skolemize,[status(sab)],[137]) ).

tff(139,plain,
    ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) ),
    inference(modus_ponens,[status(thm)],[138,134]) ).

tff(140,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( meet(meet(X,Y),Z) = meet(X,meet(Y,Z)) )
    | ( meet(meet(join(meet2(a,b),meet(a,b)),a),b) = meet(join(meet2(a,b),meet(a,b)),meet(a,b)) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(141,plain,
    meet(meet(join(meet2(a,b),meet(a,b)),a),b) = meet(join(meet2(a,b),meet(a,b)),meet(a,b)),
    inference(unit_resolution,[status(thm)],[140,139]) ).

tff(142,plain,
    meet(join(meet2(a,b),meet(a,b)),meet(a,b)) = meet(meet(join(meet2(a,b),meet(a,b)),a),b),
    inference(symmetry,[status(thm)],[141]) ).

tff(143,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet(X,Y) = meet(Y,X) )
    | ( meet(join(meet2(a,b),meet(a,b)),meet(a,b)) = meet(meet(a,b),join(meet2(a,b),meet(a,b))) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(144,plain,
    meet(join(meet2(a,b),meet(a,b)),meet(a,b)) = meet(meet(a,b),join(meet2(a,b),meet(a,b))),
    inference(unit_resolution,[status(thm)],[143,102]) ).

tff(145,plain,
    meet(meet(a,b),join(meet2(a,b),meet(a,b))) = meet(join(meet2(a,b),meet(a,b)),meet(a,b)),
    inference(symmetry,[status(thm)],[144]) ).

tff(146,plain,
    meet(meet(a,b),join(meet(a,b),meet2(a,b))) = meet(meet(a,b),join(meet2(a,b),meet(a,b))),
    inference(monotonicity,[status(thm)],[85]) ).

tff(147,plain,
    ( ~ ! [Y: $i,X: $i] : ( meet(X,join(X,Y)) = X )
    | ( meet(meet(a,b),join(meet(a,b),meet2(a,b))) = meet(a,b) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(148,plain,
    meet(meet(a,b),join(meet(a,b),meet2(a,b))) = meet(a,b),
    inference(unit_resolution,[status(thm)],[147,125]) ).

tff(149,plain,
    meet(a,b) = meet(meet(a,b),join(meet(a,b),meet2(a,b))),
    inference(symmetry,[status(thm)],[148]) ).

tff(150,plain,
    meet(a,b) = meet2(a,b),
    inference(transitivity,[status(thm)],[149,146,145,142,132,127,118,115,80,78,31,28,19,9]) ).

tff(151,plain,
    ( ( meet(a,b) != meet2(a,b) )
  <=> ( meet(a,b) != meet2(a,b) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(152,axiom,
    meet(a,b) != meet2(a,b),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_meets_are_same) ).

tff(153,plain,
    meet(a,b) != meet2(a,b),
    inference(modus_ponens,[status(thm)],[152,151]) ).

tff(154,plain,
    $false,
    inference(unit_resolution,[status(thm)],[153,150]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LAT011-1 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n020.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Thu Sep  1 10:44:15 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.33  Usage: tptp [options] [-file:]file
% 0.12/0.33    -h, -?       prints this message.
% 0.12/0.33    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.33    -m, -model   generate model.
% 0.12/0.33    -p, -proof   generate proof.
% 0.12/0.33    -c, -core    generate unsat core of named formulas.
% 0.12/0.33    -st, -statistics display statistics.
% 0.12/0.33    -t:timeout   set timeout (in second).
% 0.12/0.33    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.33    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.33    -<param>:<value> configuration parameter and value.
% 0.12/0.33    -o:<output-file> file to place output in.
% 0.12/0.39  % SZS status Unsatisfiable
% 0.12/0.39  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------