TSTP Solution File: LCL512+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : LCL512+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sun Sep 18 04:56:34 EDT 2022

% Result   : Theorem 0.11s 0.36s
% Output   : Proof 0.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.10  % Problem  : LCL512+1 : TPTP v8.1.0. Released v3.3.0.
% 0.09/0.11  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.11/0.31  % Computer : n029.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 300
% 0.11/0.31  % DateTime : Thu Sep  1 22:09:14 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.11/0.32  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.11/0.32  Usage: tptp [options] [-file:]file
% 0.11/0.32    -h, -?       prints this message.
% 0.11/0.32    -smt2        print SMT-LIB2 benchmark.
% 0.11/0.32    -m, -model   generate model.
% 0.11/0.32    -p, -proof   generate proof.
% 0.11/0.32    -c, -core    generate unsat core of named formulas.
% 0.11/0.32    -st, -statistics display statistics.
% 0.11/0.32    -t:timeout   set timeout (in second).
% 0.11/0.32    -smt2status  display status in smt2 format instead of SZS.
% 0.11/0.32    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.11/0.32    -<param>:<value> configuration parameter and value.
% 0.11/0.32    -o:<output-file> file to place output in.
% 0.11/0.36  % SZS status Theorem
% 0.11/0.36  % SZS output start Proof
% 0.11/0.36  tff(is_a_theorem_type, type, (
% 0.11/0.36     is_a_theorem: $i > $o)).
% 0.11/0.36  tff(implies_type, type, (
% 0.11/0.36     implies: ( $i * $i ) > $i)).
% 0.11/0.36  tff(not_type, type, (
% 0.11/0.36     not: $i > $i)).
% 0.11/0.36  tff(and_type, type, (
% 0.11/0.36     and: ( $i * $i ) > $i)).
% 0.11/0.36  tff(tptp_fun_Y_2_type, type, (
% 0.11/0.36     tptp_fun_Y_2: $i)).
% 0.11/0.36  tff(tptp_fun_X_3_type, type, (
% 0.11/0.36     tptp_fun_X_3: $i)).
% 0.11/0.36  tff(equiv_type, type, (
% 0.11/0.36     equiv: ( $i * $i ) > $i)).
% 0.11/0.36  tff(op_implies_and_type, type, (
% 0.11/0.36     op_implies_and: $o)).
% 0.11/0.36  tff(op_equiv_type, type, (
% 0.11/0.36     op_equiv: $o)).
% 0.11/0.36  tff(equivalence_1_type, type, (
% 0.11/0.36     equivalence_1: $o)).
% 0.11/0.36  tff(kn2_type, type, (
% 0.11/0.36     kn2: $o)).
% 0.11/0.36  tff(1,plain,
% 0.11/0.36      (^[X: $i, Y: $i] : refl((implies(X, Y) = not(and(X, not(Y)))) <=> (implies(X, Y) = not(and(X, not(Y)))))),
% 0.11/0.36      inference(bind,[status(th)],[])).
% 0.11/0.36  tff(2,plain,
% 0.11/0.36      (![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y)))) <=> ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(quant_intro,[status(thm)],[1])).
% 0.11/0.36  tff(3,plain,
% 0.11/0.36      (![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y)))) <=> ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(rewrite,[status(thm)],[])).
% 0.11/0.36  tff(4,plain,
% 0.11/0.36      (($false | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) <=> ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(rewrite,[status(thm)],[])).
% 0.11/0.36  tff(5,plain,
% 0.11/0.36      ((~$true) <=> $false),
% 0.11/0.36      inference(rewrite,[status(thm)],[])).
% 0.11/0.36  tff(6,axiom,(op_implies_and), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+5.ax','rosser_op_implies_and')).
% 0.11/0.36  tff(7,plain,
% 0.11/0.36      (op_implies_and <=> $true),
% 0.11/0.36      inference(iff_true,[status(thm)],[6])).
% 0.11/0.36  tff(8,plain,
% 0.11/0.36      ((~op_implies_and) <=> (~$true)),
% 0.11/0.36      inference(monotonicity,[status(thm)],[7])).
% 0.11/0.36  tff(9,plain,
% 0.11/0.36      ((~op_implies_and) <=> $false),
% 0.11/0.36      inference(transitivity,[status(thm)],[8, 5])).
% 0.11/0.36  tff(10,plain,
% 0.11/0.36      (((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) <=> ($false | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y)))))),
% 0.11/0.36      inference(monotonicity,[status(thm)],[9])).
% 0.11/0.36  tff(11,plain,
% 0.11/0.36      (((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) <=> ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(transitivity,[status(thm)],[10, 4])).
% 0.11/0.36  tff(12,plain,
% 0.11/0.36      (((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) <=> ((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y)))))),
% 0.11/0.36      inference(rewrite,[status(thm)],[])).
% 0.11/0.36  tff(13,plain,
% 0.11/0.36      ((op_implies_and => ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) <=> ((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y)))))),
% 0.11/0.36      inference(rewrite,[status(thm)],[])).
% 0.11/0.36  tff(14,axiom,(op_implies_and => ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+1.ax','op_implies_and')).
% 0.11/0.36  tff(15,plain,
% 0.11/0.36      ((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(modus_ponens,[status(thm)],[14, 13])).
% 0.11/0.36  tff(16,plain,
% 0.11/0.36      ((~op_implies_and) | ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(modus_ponens,[status(thm)],[15, 12])).
% 0.11/0.36  tff(17,plain,
% 0.11/0.36      (![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(modus_ponens,[status(thm)],[16, 11])).
% 0.11/0.36  tff(18,plain,
% 0.11/0.36      (![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(modus_ponens,[status(thm)],[17, 3])).
% 0.11/0.36  tff(19,plain,(
% 0.11/0.36      ![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(skolemize,[status(sab)],[18])).
% 0.11/0.36  tff(20,plain,
% 0.11/0.36      (![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))),
% 0.11/0.36      inference(modus_ponens,[status(thm)],[19, 2])).
% 0.11/0.36  tff(21,plain,
% 0.11/0.36      ((~![X: $i, Y: $i] : (implies(X, Y) = not(and(X, not(Y))))) | (implies(X!3, Y!2) = not(and(X!3, not(Y!2))))),
% 0.11/0.36      inference(quant_inst,[status(thm)],[])).
% 0.11/0.36  tff(22,plain,
% 0.11/0.36      (implies(X!3, Y!2) = not(and(X!3, not(Y!2)))),
% 0.11/0.36      inference(unit_resolution,[status(thm)],[21, 20])).
% 0.11/0.36  tff(23,plain,
% 0.11/0.36      (not(and(X!3, not(Y!2))) = implies(X!3, Y!2)),
% 0.11/0.36      inference(symmetry,[status(thm)],[22])).
% 0.11/0.36  tff(24,plain,
% 0.11/0.36      (^[X: $i, Y: $i] : refl((equiv(X, Y) = and(implies(X, Y), implies(Y, X))) <=> (equiv(X, Y) = and(implies(X, Y), implies(Y, X))))),
% 0.11/0.37      inference(bind,[status(th)],[])).
% 0.11/0.37  tff(25,plain,
% 0.11/0.37      (![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X))) <=> ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(quant_intro,[status(thm)],[24])).
% 0.11/0.37  tff(26,plain,
% 0.11/0.37      (![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X))) <=> ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(27,plain,
% 0.11/0.37      (($false | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) <=> ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(28,axiom,(op_equiv), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+5.ax','rosser_op_equiv')).
% 0.11/0.37  tff(29,plain,
% 0.11/0.37      (op_equiv <=> $true),
% 0.11/0.37      inference(iff_true,[status(thm)],[28])).
% 0.11/0.37  tff(30,plain,
% 0.11/0.37      ((~op_equiv) <=> (~$true)),
% 0.11/0.37      inference(monotonicity,[status(thm)],[29])).
% 0.11/0.37  tff(31,plain,
% 0.11/0.37      ((~op_equiv) <=> $false),
% 0.11/0.37      inference(transitivity,[status(thm)],[30, 5])).
% 0.11/0.37  tff(32,plain,
% 0.11/0.37      (((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) <=> ($false | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X))))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[31])).
% 0.11/0.37  tff(33,plain,
% 0.11/0.37      (((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) <=> ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(transitivity,[status(thm)],[32, 27])).
% 0.11/0.37  tff(34,plain,
% 0.11/0.37      (((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) <=> ((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X))))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(35,plain,
% 0.11/0.37      ((op_equiv => ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) <=> ((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X))))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(36,axiom,(op_equiv => ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+1.ax','op_equiv')).
% 0.11/0.37  tff(37,plain,
% 0.11/0.37      ((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[36, 35])).
% 0.11/0.37  tff(38,plain,
% 0.11/0.37      ((~op_equiv) | ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[37, 34])).
% 0.11/0.37  tff(39,plain,
% 0.11/0.37      (![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[38, 33])).
% 0.11/0.37  tff(40,plain,
% 0.11/0.37      (![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[39, 26])).
% 0.11/0.37  tff(41,plain,(
% 0.11/0.37      ![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(skolemize,[status(sab)],[40])).
% 0.11/0.37  tff(42,plain,
% 0.11/0.37      (![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[41, 25])).
% 0.11/0.37  tff(43,plain,
% 0.11/0.37      ((~![X: $i, Y: $i] : (equiv(X, Y) = and(implies(X, Y), implies(Y, X)))) | (equiv(X!3, Y!2) = and(implies(X!3, Y!2), implies(Y!2, X!3)))),
% 0.11/0.37      inference(quant_inst,[status(thm)],[])).
% 0.11/0.37  tff(44,plain,
% 0.11/0.37      (equiv(X!3, Y!2) = and(implies(X!3, Y!2), implies(Y!2, X!3))),
% 0.11/0.37      inference(unit_resolution,[status(thm)],[43, 42])).
% 0.11/0.37  tff(45,plain,
% 0.11/0.37      (and(implies(X!3, Y!2), implies(Y!2, X!3)) = equiv(X!3, Y!2)),
% 0.11/0.37      inference(symmetry,[status(thm)],[44])).
% 0.11/0.37  tff(46,plain,
% 0.11/0.37      (and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)) = and(implies(X!3, Y!2), implies(Y!2, X!3))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[23])).
% 0.11/0.37  tff(47,plain,
% 0.11/0.37      (and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)) = equiv(X!3, Y!2)),
% 0.11/0.37      inference(transitivity,[status(thm)],[46, 45])).
% 0.11/0.37  tff(48,plain,
% 0.11/0.37      (implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2)))) = implies(equiv(X!3, Y!2), implies(X!3, Y!2))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[47, 23])).
% 0.11/0.37  tff(49,plain,
% 0.11/0.37      (is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2))))) <=> is_a_theorem(implies(equiv(X!3, Y!2), implies(X!3, Y!2)))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[48])).
% 0.11/0.37  tff(50,plain,
% 0.11/0.37      (is_a_theorem(implies(equiv(X!3, Y!2), implies(X!3, Y!2))) <=> is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2)))))),
% 0.11/0.37      inference(symmetry,[status(thm)],[49])).
% 0.11/0.37  tff(51,plain,
% 0.11/0.37      ((~is_a_theorem(implies(equiv(X!3, Y!2), implies(X!3, Y!2)))) <=> (~is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2))))))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[50])).
% 0.11/0.37  tff(52,plain,
% 0.11/0.37      ((~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))) <=> (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y))))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(53,plain,
% 0.11/0.37      (($false <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))) <=> (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y))))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(54,axiom,(~equivalence_1), file('/export/starexec/sandbox/benchmark/theBenchmark.p','hilbert_equivalence_1')).
% 0.11/0.37  tff(55,plain,
% 0.11/0.37      (equivalence_1 <=> $false),
% 0.11/0.37      inference(iff_false,[status(thm)],[54])).
% 0.11/0.37  tff(56,plain,
% 0.11/0.37      ((equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))) <=> ($false <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y))))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[55])).
% 0.11/0.37  tff(57,plain,
% 0.11/0.37      ((equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))) <=> (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y))))),
% 0.11/0.37      inference(transitivity,[status(thm)],[56, 53])).
% 0.11/0.37  tff(58,plain,
% 0.11/0.37      ((equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))) <=> (equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y))))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(59,axiom,(equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax','equivalence_1')).
% 0.11/0.37  tff(60,plain,
% 0.11/0.37      (equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[59, 58])).
% 0.11/0.37  tff(61,plain,
% 0.11/0.37      (equivalence_1 <=> ![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[60, 58])).
% 0.11/0.37  tff(62,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[61, 57])).
% 0.11/0.37  tff(63,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[62, 52])).
% 0.11/0.37  tff(64,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[63, 52])).
% 0.11/0.37  tff(65,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[64, 52])).
% 0.11/0.37  tff(66,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[65, 52])).
% 0.11/0.37  tff(67,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[66, 52])).
% 0.11/0.37  tff(68,plain,
% 0.11/0.37      (~![X: $i, Y: $i] : is_a_theorem(implies(equiv(X, Y), implies(X, Y)))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[67, 52])).
% 0.11/0.37  tff(69,plain,(
% 0.11/0.37      ~is_a_theorem(implies(equiv(X!3, Y!2), implies(X!3, Y!2)))),
% 0.11/0.37      inference(skolemize,[status(sab)],[68])).
% 0.11/0.37  tff(70,plain,
% 0.11/0.37      (~is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2)))))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[69, 51])).
% 0.11/0.37  tff(71,plain,
% 0.11/0.37      (^[P: $i, Q: $i] : refl(is_a_theorem(implies(and(P, Q), P)) <=> is_a_theorem(implies(and(P, Q), P)))),
% 0.11/0.37      inference(bind,[status(th)],[])).
% 0.11/0.37  tff(72,plain,
% 0.11/0.37      (![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P)) <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(quant_intro,[status(thm)],[71])).
% 0.11/0.37  tff(73,plain,
% 0.11/0.37      (![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P)) <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(74,plain,
% 0.11/0.37      (($true <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))) <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(75,axiom,(kn2), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+5.ax','rosser_kn2')).
% 0.11/0.37  tff(76,plain,
% 0.11/0.37      (kn2 <=> $true),
% 0.11/0.37      inference(iff_true,[status(thm)],[75])).
% 0.11/0.37  tff(77,plain,
% 0.11/0.37      ((kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))) <=> ($true <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P)))),
% 0.11/0.37      inference(monotonicity,[status(thm)],[76])).
% 0.11/0.37  tff(78,plain,
% 0.11/0.37      ((kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))) <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(transitivity,[status(thm)],[77, 74])).
% 0.11/0.37  tff(79,plain,
% 0.11/0.37      ((kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))) <=> (kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P)))),
% 0.11/0.37      inference(rewrite,[status(thm)],[])).
% 0.11/0.37  tff(80,axiom,(kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))), file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax','kn2')).
% 0.11/0.37  tff(81,plain,
% 0.11/0.37      (kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[80, 79])).
% 0.11/0.37  tff(82,plain,
% 0.11/0.37      (kn2 <=> ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[81, 79])).
% 0.11/0.37  tff(83,plain,
% 0.11/0.37      (![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[82, 78])).
% 0.11/0.37  tff(84,plain,
% 0.11/0.37      (![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[83, 73])).
% 0.11/0.37  tff(85,plain,(
% 0.11/0.37      ![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(skolemize,[status(sab)],[84])).
% 0.11/0.37  tff(86,plain,
% 0.11/0.37      (![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))),
% 0.11/0.37      inference(modus_ponens,[status(thm)],[85, 72])).
% 0.11/0.37  tff(87,plain,
% 0.11/0.37      ((~![P: $i, Q: $i] : is_a_theorem(implies(and(P, Q), P))) | is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2)))))),
% 0.11/0.37      inference(quant_inst,[status(thm)],[])).
% 0.11/0.37  tff(88,plain,
% 0.11/0.37      (is_a_theorem(implies(and(not(and(X!3, not(Y!2))), implies(Y!2, X!3)), not(and(X!3, not(Y!2)))))),
% 0.11/0.37      inference(unit_resolution,[status(thm)],[87, 86])).
% 0.11/0.37  tff(89,plain,
% 0.11/0.37      ($false),
% 0.11/0.37      inference(unit_resolution,[status(thm)],[88, 70])).
% 0.11/0.37  % SZS output end Proof
%------------------------------------------------------------------------------