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Z3---4.15.1.UNS-Prf.s

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%------------------------------------------------------------------------------
% File     : Z3---4.15.1
% Problem  : GRP175-4 : TPTP v9.0.0. Bugfixed v1.2.1.
% Transfm  : none
% Format   : tptp
% Command  : run_E %s %d THM

% Computer : n016.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 Jun 21 05:07:21 AM UTC 2025

% Result   : Unsatisfiable 0.12s 0.38s
% Output   : Proof 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   40
% Syntax   : Number of formulae    :  111 (  82 unt;   0 typ;   0 def)
%            Number of atoms       :  158 ( 148 equ)
%            Maximal formula atoms :    2 (   1 avg)
%            Number of connectives :   51 (  13   ~;   9   |;   0   &)
%                                         (  29 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of FOOLs       :    9 (   9 fml;   0 var)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   3 con; 0-2 aty)
%            Number of variables   :  180 ( 162   !;   0   ?; 180   :)

% Comments : 
%------------------------------------------------------------------------------
tff(multiply_type,type,
    multiply: ( $i * $i ) > $i ).

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

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

tff(inverse_type,type,
    inverse: $i > $i ).

tff(least_upper_bound_type,type,
    least_upper_bound: ( $i * $i ) > $i ).

tff(identity_type,type,
    identity: $i ).

tff(greatest_lower_bound_type,type,
    greatest_lower_bound: ( $i * $i ) > $i ).

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

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

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

tff(4,axiom,
    ! [X: $i] : ( greatest_lower_bound(X,X) = X ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',idempotence_of_gld) ).

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

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

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

tff(8,plain,
    ( ~ ! [X: $i] : ( greatest_lower_bound(X,X) = X )
    | ( greatest_lower_bound(b,b) = b ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(9,plain,
    greatest_lower_bound(b,b) = b,
    inference(unit_resolution,[status(thm)],[8,7]) ).

tff(10,plain,
    b = greatest_lower_bound(b,b),
    inference(symmetry,[status(thm)],[9]) ).

tff(11,plain,
    multiply(b,a) = multiply(greatest_lower_bound(b,b),a),
    inference(monotonicity,[status(thm)],[10]) ).

tff(12,plain,
    multiply(greatest_lower_bound(b,b),a) = multiply(b,a),
    inference(symmetry,[status(thm)],[11]) ).

tff(13,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(( ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) )
      <=> ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ) )),
    inference(bind,[status(th)],[]) ).

tff(14,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ) ),
    inference(quant_intro,[status(thm)],[13]) ).

tff(15,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(16,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_glb2) ).

tff(17,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(modus_ponens,[status(thm)],[16,15]) ).

tff(18,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(skolemize,[status(sab)],[17]) ).

tff(19,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(modus_ponens,[status(thm)],[18,14]) ).

tff(20,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( multiply(greatest_lower_bound(Y,Z),X) = greatest_lower_bound(multiply(Y,X),multiply(Z,X)) )
    | ( multiply(greatest_lower_bound(b,b),a) = greatest_lower_bound(multiply(b,a),multiply(b,a)) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(21,plain,
    multiply(greatest_lower_bound(b,b),a) = greatest_lower_bound(multiply(b,a),multiply(b,a)),
    inference(unit_resolution,[status(thm)],[20,19]) ).

tff(22,plain,
    greatest_lower_bound(multiply(b,a),multiply(b,a)) = multiply(greatest_lower_bound(b,b),a),
    inference(symmetry,[status(thm)],[21]) ).

tff(23,plain,
    greatest_lower_bound(multiply(b,a),multiply(b,a)) = multiply(b,a),
    inference(transitivity,[status(thm)],[22,12]) ).

tff(24,plain,
    least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a)) = least_upper_bound(multiply(b,a),multiply(identity,a)),
    inference(monotonicity,[status(thm)],[23]) ).

tff(25,plain,
    least_upper_bound(multiply(b,a),multiply(identity,a)) = least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a)),
    inference(symmetry,[status(thm)],[24]) ).

tff(26,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(( ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) )
      <=> ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ) )),
    inference(bind,[status(th)],[]) ).

tff(27,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ) ),
    inference(quant_intro,[status(thm)],[26]) ).

tff(28,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(29,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_lub2) ).

tff(30,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(modus_ponens,[status(thm)],[29,28]) ).

tff(31,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(skolemize,[status(sab)],[30]) ).

tff(32,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) ),
    inference(modus_ponens,[status(thm)],[31,27]) ).

tff(33,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( multiply(least_upper_bound(Y,Z),X) = least_upper_bound(multiply(Y,X),multiply(Z,X)) )
    | ( multiply(least_upper_bound(b,identity),a) = least_upper_bound(multiply(b,a),multiply(identity,a)) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(34,plain,
    multiply(least_upper_bound(b,identity),a) = least_upper_bound(multiply(b,a),multiply(identity,a)),
    inference(unit_resolution,[status(thm)],[33,32]) ).

tff(35,plain,
    ^ [Y: $i,X: $i] :
      refl(( ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X )
      <=> ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ) )),
    inference(bind,[status(th)],[]) ).

tff(36,plain,
    ( ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ) ),
    inference(quant_intro,[status(thm)],[35]) ).

tff(37,plain,
    ( ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X )
  <=> ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(38,axiom,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',lub_absorbtion) ).

tff(39,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[38,37]) ).

tff(40,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ),
    inference(skolemize,[status(sab)],[39]) ).

tff(41,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X ),
    inference(modus_ponens,[status(thm)],[40,36]) ).

tff(42,plain,
    ( ~ ! [Y: $i,X: $i] : ( least_upper_bound(X,greatest_lower_bound(X,Y)) = X )
    | ( least_upper_bound(b,greatest_lower_bound(b,identity)) = b ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(43,plain,
    least_upper_bound(b,greatest_lower_bound(b,identity)) = b,
    inference(unit_resolution,[status(thm)],[42,41]) ).

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

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

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

tff(47,axiom,
    ! [Y: $i,X: $i] : ( greatest_lower_bound(X,Y) = greatest_lower_bound(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',symmetry_of_glb) ).

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

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

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

tff(51,plain,
    ( ~ ! [Y: $i,X: $i] : ( greatest_lower_bound(X,Y) = greatest_lower_bound(Y,X) )
    | ( greatest_lower_bound(identity,b) = greatest_lower_bound(b,identity) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(52,plain,
    greatest_lower_bound(identity,b) = greatest_lower_bound(b,identity),
    inference(unit_resolution,[status(thm)],[51,50]) ).

tff(53,plain,
    ( ( greatest_lower_bound(identity,b) = identity )
  <=> ( greatest_lower_bound(identity,b) = identity ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(54,axiom,
    greatest_lower_bound(identity,b) = identity,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p06d_1) ).

tff(55,plain,
    greatest_lower_bound(identity,b) = identity,
    inference(modus_ponens,[status(thm)],[54,53]) ).

tff(56,plain,
    identity = greatest_lower_bound(identity,b),
    inference(symmetry,[status(thm)],[55]) ).

tff(57,plain,
    identity = greatest_lower_bound(b,identity),
    inference(transitivity,[status(thm)],[56,52]) ).

tff(58,plain,
    least_upper_bound(b,identity) = least_upper_bound(b,greatest_lower_bound(b,identity)),
    inference(monotonicity,[status(thm)],[57]) ).

tff(59,plain,
    least_upper_bound(b,identity) = b,
    inference(transitivity,[status(thm)],[58,43]) ).

tff(60,plain,
    multiply(least_upper_bound(b,identity),a) = multiply(b,a),
    inference(monotonicity,[status(thm)],[59]) ).

tff(61,plain,
    multiply(b,a) = multiply(least_upper_bound(b,identity),a),
    inference(symmetry,[status(thm)],[60]) ).

tff(62,plain,
    multiply(b,a) = least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a)),
    inference(transitivity,[status(thm)],[61,34,25]) ).

tff(63,plain,
    multiply(inverse(a),multiply(b,a)) = multiply(inverse(a),least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a))),
    inference(monotonicity,[status(thm)],[62]) ).

tff(64,plain,
    multiply(inverse(a),least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a))) = multiply(inverse(a),multiply(b,a)),
    inference(symmetry,[status(thm)],[63]) ).

tff(65,plain,
    ^ [Z: $i,Y: $i,X: $i] :
      refl(( ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) )
      <=> ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ) )),
    inference(bind,[status(th)],[]) ).

tff(66,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ) ),
    inference(quant_intro,[status(thm)],[65]) ).

tff(67,plain,
    ( ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) )
  <=> ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(68,axiom,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',monotony_lub1) ).

tff(69,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ),
    inference(modus_ponens,[status(thm)],[68,67]) ).

tff(70,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ),
    inference(skolemize,[status(sab)],[69]) ).

tff(71,plain,
    ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) ),
    inference(modus_ponens,[status(thm)],[70,66]) ).

tff(72,plain,
    ( ~ ! [Z: $i,Y: $i,X: $i] : ( multiply(X,least_upper_bound(Y,Z)) = least_upper_bound(multiply(X,Y),multiply(X,Z)) )
    | ( multiply(inverse(a),least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a))) = least_upper_bound(multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))),multiply(inverse(a),multiply(identity,a))) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(73,plain,
    multiply(inverse(a),least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a))) = least_upper_bound(multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))),multiply(inverse(a),multiply(identity,a))),
    inference(unit_resolution,[status(thm)],[72,71]) ).

tff(74,plain,
    least_upper_bound(multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))),multiply(inverse(a),multiply(identity,a))) = multiply(inverse(a),least_upper_bound(greatest_lower_bound(multiply(b,a),multiply(b,a)),multiply(identity,a))),
    inference(symmetry,[status(thm)],[73]) ).

tff(75,plain,
    ^ [X: $i] :
      refl(( ( multiply(inverse(X),X) = identity )
      <=> ( multiply(inverse(X),X) = identity ) )),
    inference(bind,[status(th)],[]) ).

tff(76,plain,
    ( ! [X: $i] : ( multiply(inverse(X),X) = identity )
  <=> ! [X: $i] : ( multiply(inverse(X),X) = identity ) ),
    inference(quant_intro,[status(thm)],[75]) ).

tff(77,plain,
    ( ! [X: $i] : ( multiply(inverse(X),X) = identity )
  <=> ! [X: $i] : ( multiply(inverse(X),X) = identity ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(78,axiom,
    ! [X: $i] : ( multiply(inverse(X),X) = identity ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_inverse) ).

tff(79,plain,
    ! [X: $i] : ( multiply(inverse(X),X) = identity ),
    inference(modus_ponens,[status(thm)],[78,77]) ).

tff(80,plain,
    ! [X: $i] : ( multiply(inverse(X),X) = identity ),
    inference(skolemize,[status(sab)],[79]) ).

tff(81,plain,
    ! [X: $i] : ( multiply(inverse(X),X) = identity ),
    inference(modus_ponens,[status(thm)],[80,76]) ).

tff(82,plain,
    ( ~ ! [X: $i] : ( multiply(inverse(X),X) = identity )
    | ( multiply(inverse(a),a) = identity ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(83,plain,
    multiply(inverse(a),a) = identity,
    inference(unit_resolution,[status(thm)],[82,81]) ).

tff(84,plain,
    ^ [X: $i] :
      refl(( ( multiply(identity,X) = X )
      <=> ( multiply(identity,X) = X ) )),
    inference(bind,[status(th)],[]) ).

tff(85,plain,
    ( ! [X: $i] : ( multiply(identity,X) = X )
  <=> ! [X: $i] : ( multiply(identity,X) = X ) ),
    inference(quant_intro,[status(thm)],[84]) ).

tff(86,plain,
    ( ! [X: $i] : ( multiply(identity,X) = X )
  <=> ! [X: $i] : ( multiply(identity,X) = X ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(87,axiom,
    ! [X: $i] : ( multiply(identity,X) = X ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-0.ax',left_identity) ).

tff(88,plain,
    ! [X: $i] : ( multiply(identity,X) = X ),
    inference(modus_ponens,[status(thm)],[87,86]) ).

tff(89,plain,
    ! [X: $i] : ( multiply(identity,X) = X ),
    inference(skolemize,[status(sab)],[88]) ).

tff(90,plain,
    ! [X: $i] : ( multiply(identity,X) = X ),
    inference(modus_ponens,[status(thm)],[89,85]) ).

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

tff(92,plain,
    multiply(identity,a) = a,
    inference(unit_resolution,[status(thm)],[91,90]) ).

tff(93,plain,
    multiply(inverse(a),multiply(identity,a)) = multiply(inverse(a),a),
    inference(monotonicity,[status(thm)],[92]) ).

tff(94,plain,
    multiply(inverse(a),multiply(identity,a)) = identity,
    inference(transitivity,[status(thm)],[93,83]) ).

tff(95,plain,
    multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))) = multiply(inverse(a),multiply(b,a)),
    inference(monotonicity,[status(thm)],[23]) ).

tff(96,plain,
    least_upper_bound(multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))),multiply(inverse(a),multiply(identity,a))) = least_upper_bound(multiply(inverse(a),multiply(b,a)),identity),
    inference(monotonicity,[status(thm)],[95,94]) ).

tff(97,plain,
    least_upper_bound(multiply(inverse(a),multiply(b,a)),identity) = least_upper_bound(multiply(inverse(a),greatest_lower_bound(multiply(b,a),multiply(b,a))),multiply(inverse(a),multiply(identity,a))),
    inference(symmetry,[status(thm)],[96]) ).

tff(98,plain,
    ^ [Y: $i,X: $i] :
      refl(( ( least_upper_bound(X,Y) = least_upper_bound(Y,X) )
      <=> ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ) )),
    inference(bind,[status(th)],[]) ).

tff(99,plain,
    ( ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) )
  <=> ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ) ),
    inference(quant_intro,[status(thm)],[98]) ).

tff(100,plain,
    ( ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) )
  <=> ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(101,axiom,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ),
    file('/export/starexec/sandbox2/benchmark/Axioms/GRP004-2.ax',symmetry_of_lub) ).

tff(102,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ),
    inference(modus_ponens,[status(thm)],[101,100]) ).

tff(103,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ),
    inference(skolemize,[status(sab)],[102]) ).

tff(104,plain,
    ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) ),
    inference(modus_ponens,[status(thm)],[103,99]) ).

tff(105,plain,
    ( ~ ! [Y: $i,X: $i] : ( least_upper_bound(X,Y) = least_upper_bound(Y,X) )
    | ( least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) = least_upper_bound(multiply(inverse(a),multiply(b,a)),identity) ) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(106,plain,
    least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) = least_upper_bound(multiply(inverse(a),multiply(b,a)),identity),
    inference(unit_resolution,[status(thm)],[105,104]) ).

tff(107,plain,
    least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) = multiply(inverse(a),multiply(b,a)),
    inference(transitivity,[status(thm)],[106,97,74,64]) ).

tff(108,plain,
    ( ( least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) != multiply(inverse(a),multiply(b,a)) )
  <=> ( least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) != multiply(inverse(a),multiply(b,a)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(109,axiom,
    least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) != multiply(inverse(a),multiply(b,a)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_p06d) ).

tff(110,plain,
    least_upper_bound(identity,multiply(inverse(a),multiply(b,a))) != multiply(inverse(a),multiply(b,a)),
    inference(modus_ponens,[status(thm)],[109,108]) ).

tff(111,plain,
    $false,
    inference(unit_resolution,[status(thm)],[110,107]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem    : GRP175-4 : TPTP v9.0.0. Bugfixed v1.2.1.
% 0.07/0.13  % Command    : run_E %s %d THM
% 0.12/0.34  % Computer : n016.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   : Thu Jun 19 15:45:02 EDT 2025
% 0.12/0.34  % CPUTime    : 
% 0.12/0.38  % SZS status Unsatisfiable
% 0.12/0.38  % SZS output start Proof
% See solution above
% 0.12/0.40  % E exiting
%------------------------------------------------------------------------------