TSTP Solution File: SWV403+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SWV403+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n003.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 : Thu Sep 29 15:11:39 EDT 2022

% Result   : Theorem 0.20s 0.39s
% Output   : Proof 0.20s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : SWV403+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n003.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 : Sun Sep  4 02:52:40 EDT 2022
% 0.12/0.33  % 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.
% 0.20/0.39  % SZS status Theorem
% 0.20/0.39  % SZS output start Proof
% 0.20/0.39  tff(tptp_fun_Z_4_type, type, (
% 0.20/0.39     tptp_fun_Z_4: $i)).
% 0.20/0.39  tff(tptp_fun_X3_1_type, type, (
% 0.20/0.39     tptp_fun_X3_1: $i)).
% 0.20/0.39  tff(tptp_fun_Y_5_type, type, (
% 0.20/0.39     tptp_fun_Y_5: $i)).
% 0.20/0.39  tff(tptp_fun_X2_2_type, type, (
% 0.20/0.39     tptp_fun_X2_2: $i)).
% 0.20/0.39  tff(pair_in_list_type, type, (
% 0.20/0.39     pair_in_list: ( $i * $i * $i ) > $o)).
% 0.20/0.39  tff(tptp_fun_X1_3_type, type, (
% 0.20/0.39     tptp_fun_X1_3: $i)).
% 0.20/0.39  tff(update_slb_type, type, (
% 0.20/0.39     update_slb: ( $i * $i ) > $i)).
% 0.20/0.39  tff(tptp_fun_U_0_type, type, (
% 0.20/0.39     tptp_fun_U_0: $i)).
% 0.20/0.39  tff(insert_slb_type, type, (
% 0.20/0.39     insert_slb: ( $i * $i ) > $i)).
% 0.20/0.39  tff(pair_type, type, (
% 0.20/0.39     pair: ( $i * $i ) > $i)).
% 0.20/0.39  tff(strictly_less_than_type, type, (
% 0.20/0.39     strictly_less_than: ( $i * $i ) > $o)).
% 0.20/0.39  tff(less_than_type, type, (
% 0.20/0.39     less_than: ( $i * $i ) > $o)).
% 0.20/0.39  tff(1,plain,
% 0.20/0.39      (^[U: $i, V: $i, W: $i, X: $i, Y: $i] : refl((pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y))) <=> (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(2,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y))) <=> ![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[1])).
% 0.20/0.39  tff(3,plain,
% 0.20/0.39      (^[U: $i, V: $i, W: $i, X: $i, Y: $i] : rewrite((pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y))) <=> (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(4,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y))) <=> ![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[3])).
% 0.20/0.39  tff(5,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y))) <=> ![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(6,plain,
% 0.20/0.39      (^[U: $i, V: $i, W: $i, X: $i, Y: $i] : rewrite((pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (pair_in_list(U, W, Y) | ((V = W) & (X = Y)))) <=> (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(7,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (pair_in_list(U, W, Y) | ((V = W) & (X = Y)))) <=> ![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[6])).
% 0.20/0.39  tff(8,axiom,(![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (pair_in_list(U, W, Y) | ((V = W) & (X = Y))))), file('/export/starexec/sandbox2/benchmark/Axioms/SWV007+2.ax','ax23')).
% 0.20/0.39  tff(9,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[8, 7])).
% 0.20/0.39  tff(10,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[9, 5])).
% 0.20/0.39  tff(11,plain,(
% 0.20/0.39      ![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> (((V = W) & (X = Y)) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(skolemize,[status(sab)],[10])).
% 0.20/0.39  tff(12,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[11, 4])).
% 0.20/0.39  tff(13,plain,
% 0.20/0.39      (![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[12, 2])).
% 0.20/0.39  tff(14,plain,
% 0.20/0.39      (((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))) <=> ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(15,plain,
% 0.20/0.39      ((pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X1!3 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))) <=> (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(16,plain,
% 0.20/0.39      (((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X1!3 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))) <=> ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))))),
% 0.20/0.39      inference(monotonicity,[status(thm)],[15])).
% 0.20/0.39  tff(17,plain,
% 0.20/0.39      (((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X1!3 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))) <=> ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))))),
% 0.20/0.39      inference(transitivity,[status(thm)],[16, 14])).
% 0.20/0.39  tff(18,plain,
% 0.20/0.39      ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X1!3 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.39      inference(quant_inst,[status(thm)],[])).
% 0.20/0.39  tff(19,plain,
% 0.20/0.39      ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[18, 17])).
% 0.20/0.39  tff(20,plain,
% 0.20/0.39      (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.39      inference(unit_resolution,[status(thm)],[19, 13])).
% 0.20/0.39  tff(21,plain,
% 0.20/0.39      ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.39      inference(quant_inst,[status(thm)],[])).
% 0.20/0.40  tff(22,plain,
% 0.20/0.40      (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[21, 13])).
% 0.20/0.40  tff(23,plain,
% 0.20/0.40      (^[U: $i, V: $i] : refl((strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U)))) <=> (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U)))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(24,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U)))) <=> ![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[23])).
% 0.20/0.40  tff(25,plain,
% 0.20/0.40      (^[U: $i, V: $i] : rewrite((strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U)))) <=> (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U)))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(26,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U)))) <=> ![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[25])).
% 0.20/0.40  tff(27,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U)))) <=> ![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(28,axiom,(![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U))))), file('/export/starexec/sandbox2/benchmark/Axioms/SWV007+0.ax','stricly_smaller_definition')).
% 0.20/0.40  tff(29,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[28, 27])).
% 0.20/0.40  tff(30,plain,(
% 0.20/0.40      ![U: $i, V: $i] : (strictly_less_than(U, V) <=> (less_than(U, V) & (~less_than(V, U))))),
% 0.20/0.40      inference(skolemize,[status(sab)],[29])).
% 0.20/0.40  tff(31,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[30, 26])).
% 0.20/0.40  tff(32,plain,
% 0.20/0.40      (![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[31, 24])).
% 0.20/0.40  tff(33,plain,
% 0.20/0.40      ((~![U: $i, V: $i] : (strictly_less_than(U, V) <=> (~((~less_than(U, V)) | less_than(V, U))))) | (strictly_less_than(X3!1, X1!3) <=> (~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))))),
% 0.20/0.40      inference(quant_inst,[status(thm)],[])).
% 0.20/0.40  tff(34,plain,
% 0.20/0.40      (strictly_less_than(X3!1, X1!3) <=> (~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1)))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[33, 32])).
% 0.20/0.40  tff(35,assumption,(~strictly_less_than(X3!1, X1!3)), introduced(assumption)).
% 0.20/0.40  tff(36,plain,
% 0.20/0.40      ((~(strictly_less_than(X3!1, X1!3) <=> (~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))))) | strictly_less_than(X3!1, X1!3) | ((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(37,plain,
% 0.20/0.40      ((~(strictly_less_than(X3!1, X1!3) <=> (~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))))) | ((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[36, 35])).
% 0.20/0.40  tff(38,plain,
% 0.20/0.40      ((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[37, 34])).
% 0.20/0.40  tff(39,assumption,((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1)), introduced(assumption)).
% 0.20/0.40  tff(40,assumption,(~less_than(X1!3, X3!1)), introduced(assumption)).
% 0.20/0.40  tff(41,plain,
% 0.20/0.40      ((~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1))) | (~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1)),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(42,plain,
% 0.20/0.40      (~less_than(X3!1, X1!3)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[41, 40, 39])).
% 0.20/0.40  tff(43,plain,
% 0.20/0.40      (^[U: $i, V: $i] : refl((less_than(V, U) | less_than(U, V)) <=> (less_than(V, U) | less_than(U, V)))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(44,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(V, U) | less_than(U, V)) <=> ![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[43])).
% 0.20/0.40  tff(45,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(V, U) | less_than(U, V)) <=> ![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(46,plain,
% 0.20/0.40      (^[U: $i, V: $i] : rewrite((less_than(U, V) | less_than(V, U)) <=> (less_than(V, U) | less_than(U, V)))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(47,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(U, V) | less_than(V, U)) <=> ![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[46])).
% 0.20/0.40  tff(48,axiom,(![U: $i, V: $i] : (less_than(U, V) | less_than(V, U))), file('/export/starexec/sandbox2/benchmark/Axioms/SWV007+0.ax','totality')).
% 0.20/0.40  tff(49,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[48, 47])).
% 0.20/0.40  tff(50,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[49, 45])).
% 0.20/0.40  tff(51,plain,(
% 0.20/0.40      ![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(skolemize,[status(sab)],[50])).
% 0.20/0.40  tff(52,plain,
% 0.20/0.40      (![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[51, 44])).
% 0.20/0.40  tff(53,plain,
% 0.20/0.40      (((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | (less_than(X1!3, X3!1) | less_than(X3!1, X1!3))) <=> ((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | less_than(X1!3, X3!1) | less_than(X3!1, X1!3))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(54,plain,
% 0.20/0.40      ((less_than(X3!1, X1!3) | less_than(X1!3, X3!1)) <=> (less_than(X1!3, X3!1) | less_than(X3!1, X1!3))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(55,plain,
% 0.20/0.40      (((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | (less_than(X3!1, X1!3) | less_than(X1!3, X3!1))) <=> ((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | (less_than(X1!3, X3!1) | less_than(X3!1, X1!3)))),
% 0.20/0.40      inference(monotonicity,[status(thm)],[54])).
% 0.20/0.40  tff(56,plain,
% 0.20/0.40      (((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | (less_than(X3!1, X1!3) | less_than(X1!3, X3!1))) <=> ((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | less_than(X1!3, X3!1) | less_than(X3!1, X1!3))),
% 0.20/0.40      inference(transitivity,[status(thm)],[55, 53])).
% 0.20/0.40  tff(57,plain,
% 0.20/0.40      ((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | (less_than(X3!1, X1!3) | less_than(X1!3, X3!1))),
% 0.20/0.40      inference(quant_inst,[status(thm)],[])).
% 0.20/0.40  tff(58,plain,
% 0.20/0.40      ((~![U: $i, V: $i] : (less_than(V, U) | less_than(U, V))) | less_than(X1!3, X3!1) | less_than(X3!1, X1!3)),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[57, 56])).
% 0.20/0.40  tff(59,plain,
% 0.20/0.40      ($false),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[58, 52, 40, 42])).
% 0.20/0.40  tff(60,plain,(less_than(X1!3, X3!1) | (~((~less_than(X3!1, X1!3)) | less_than(X1!3, X3!1)))), inference(lemma,lemma(discharge,[]))).
% 0.20/0.40  tff(61,plain,
% 0.20/0.40      (less_than(X1!3, X3!1)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[60, 38])).
% 0.20/0.40  tff(62,plain,
% 0.20/0.40      (^[U: $i, V: $i, W: $i, X: $i] : refl(((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))) <=> ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(63,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[62])).
% 0.20/0.40  tff(64,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(65,plain,
% 0.20/0.40      (^[U: $i, V: $i, W: $i, X: $i] : rewrite((less_than(W, X) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))) <=> ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(66,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : (less_than(W, X) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[65])).
% 0.20/0.40  tff(67,axiom,(![U: $i, V: $i, W: $i, X: $i] : (less_than(W, X) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))), file('/export/starexec/sandbox2/benchmark/Axioms/SWV007+2.ax','ax30')).
% 0.20/0.40  tff(68,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[67, 66])).
% 0.20/0.40  tff(69,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[68, 64])).
% 0.20/0.40  tff(70,plain,(
% 0.20/0.40      ![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(skolemize,[status(sab)],[69])).
% 0.20/0.40  tff(71,plain,
% 0.20/0.40      (![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[70, 63])).
% 0.20/0.40  tff(72,plain,
% 0.20/0.40      (((~![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))) | ((~less_than(X1!3, X3!1)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1))))) <=> ((~![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))) | (~less_than(X1!3, X3!1)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(73,plain,
% 0.20/0.40      ((~![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))) | ((~less_than(X1!3, X3!1)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1))))),
% 0.20/0.40      inference(quant_inst,[status(thm)],[])).
% 0.20/0.40  tff(74,plain,
% 0.20/0.40      ((~![U: $i, V: $i, W: $i, X: $i] : ((~less_than(W, X)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, X))))) | (~less_than(X1!3, X3!1)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[73, 72])).
% 0.20/0.40  tff(75,plain,
% 0.20/0.40      ((~less_than(X1!3, X3!1)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[74, 71])).
% 0.20/0.40  tff(76,plain,
% 0.20/0.40      (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[75, 61])).
% 0.20/0.40  tff(77,plain,
% 0.20/0.40      (insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)) = update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3)),
% 0.20/0.40      inference(symmetry,[status(thm)],[76])).
% 0.20/0.40  tff(78,plain,
% 0.20/0.40      (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3) <=> pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)),
% 0.20/0.40      inference(monotonicity,[status(thm)],[77])).
% 0.20/0.40  tff(79,plain,
% 0.20/0.40      (pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3) <=> pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3)),
% 0.20/0.40      inference(symmetry,[status(thm)],[78])).
% 0.20/0.40  tff(80,plain,
% 0.20/0.40      ((~pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)) <=> (~pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3))),
% 0.20/0.40      inference(monotonicity,[status(thm)],[79])).
% 0.20/0.40  tff(81,plain,
% 0.20/0.40      ((![V: $i, W: $i, X: $i] : ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) & (~((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) & strictly_less_than(Z!4, X1!3))) | pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)))) <=> (![V: $i, W: $i, X: $i] : ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) & (~((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) & strictly_less_than(Z!4, X1!3))) | pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(82,plain,
% 0.20/0.40      ((~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))) <=> (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(83,plain,
% 0.20/0.40      ((~![U: $i] : (![V: $i, W: $i, X: $i] : ((pair_in_list(U, V, W) & strictly_less_than(W, X)) => pair_in_list(update_slb(U, X), V, X)) => ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1)) => pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))) <=> (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(84,axiom,(~![U: $i] : (![V: $i, W: $i, X: $i] : ((pair_in_list(U, V, W) & strictly_less_than(W, X)) => pair_in_list(update_slb(U, X), V, X)) => ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1)) => pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','l39_co')).
% 0.20/0.40  tff(85,plain,
% 0.20/0.40      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[84, 83])).
% 0.20/0.40  tff(86,plain,
% 0.20/0.40      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[85, 82])).
% 0.20/0.40  tff(87,plain,
% 0.20/0.40      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[86, 82])).
% 0.20/0.40  tff(88,plain,
% 0.20/0.40      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[87, 82])).
% 0.20/0.41  tff(89,plain,
% 0.20/0.41      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[88, 82])).
% 0.20/0.41  tff(90,plain,
% 0.20/0.41      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[89, 82])).
% 0.20/0.41  tff(91,plain,
% 0.20/0.41      (~![U: $i] : ((~![V: $i, W: $i, X: $i] : ((~(pair_in_list(U, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U, X), V, X))) | ![Y: $i, Z: $i, X1: $i, X2: $i, X3: $i] : ((~(pair_in_list(insert_slb(U, pair(X2, X3)), Y, Z) & strictly_less_than(Z, X1))) | pair_in_list(update_slb(insert_slb(U, pair(X2, X3)), X1), Y, X1)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[90, 82])).
% 0.20/0.41  tff(92,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) & (~((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) & strictly_less_than(Z!4, X1!3))) | pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[91, 81])).
% 0.20/0.41  tff(93,plain,
% 0.20/0.41      (~((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) & strictly_less_than(Z!4, X1!3))) | pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(and_elim,[status(thm)],[92])).
% 0.20/0.41  tff(94,plain,
% 0.20/0.41      (~pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)),
% 0.20/0.41      inference(or_elim,[status(thm)],[93])).
% 0.20/0.41  tff(95,plain,
% 0.20/0.41      (~pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3)),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[94, 80])).
% 0.20/0.41  tff(96,plain,
% 0.20/0.41      ((~(pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))) | pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X3!1)), Y!5, X1!3) | (~((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.41      inference(tautology,[status(thm)],[])).
% 0.20/0.41  tff(97,plain,
% 0.20/0.41      (~((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[96, 95, 22])).
% 0.20/0.41  tff(98,plain,
% 0.20/0.41      (((~((~(X2!2 = Y!5)) | (~(X3!1 = X1!3)))) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)) | (~pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(tautology,[status(thm)],[])).
% 0.20/0.41  tff(99,plain,
% 0.20/0.41      (~pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[98, 97])).
% 0.20/0.41  tff(100,assumption,(~pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)), introduced(assumption)).
% 0.20/0.41  tff(101,assumption,(pair_in_list(U!0, Y!5, Z!4)), introduced(assumption)).
% 0.20/0.41  tff(102,plain,
% 0.20/0.41      (pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) & strictly_less_than(Z!4, X1!3)),
% 0.20/0.41      inference(or_elim,[status(thm)],[93])).
% 0.20/0.41  tff(103,plain,
% 0.20/0.41      (strictly_less_than(Z!4, X1!3)),
% 0.20/0.41      inference(and_elim,[status(thm)],[102])).
% 0.20/0.41  tff(104,plain,
% 0.20/0.41      (^[V: $i, W: $i, X: $i] : refl((pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))) <=> (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))))),
% 0.20/0.41      inference(bind,[status(th)],[])).
% 0.20/0.41  tff(105,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))) <=> ![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))),
% 0.20/0.41      inference(quant_intro,[status(thm)],[104])).
% 0.20/0.41  tff(106,plain,
% 0.20/0.41      (^[V: $i, W: $i, X: $i] : trans(monotonicity(trans(monotonicity(rewrite((pair_in_list(U!0, V, W) & strictly_less_than(W, X)) <=> (~((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))))), ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) <=> (~(~((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))))))), rewrite((~(~((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))))) <=> ((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))), ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) <=> ((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))))), (((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) <=> (((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)))), rewrite((((~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) <=> (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))), (((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) <=> (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))))),
% 0.20/0.41      inference(bind,[status(th)],[])).
% 0.20/0.41  tff(107,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X)) <=> ![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))),
% 0.20/0.41      inference(quant_intro,[status(thm)],[106])).
% 0.20/0.41  tff(108,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : ((~(pair_in_list(U!0, V, W) & strictly_less_than(W, X))) | pair_in_list(update_slb(U!0, X), V, X))),
% 0.20/0.41      inference(and_elim,[status(thm)],[92])).
% 0.20/0.41  tff(109,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[108, 107])).
% 0.20/0.41  tff(110,plain,
% 0.20/0.41      (![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[109, 105])).
% 0.20/0.41  tff(111,plain,
% 0.20/0.41      (((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | ((~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))) <=> ((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(rewrite,[status(thm)],[])).
% 0.20/0.41  tff(112,plain,
% 0.20/0.41      ((pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3) | (~pair_in_list(U!0, Y!5, Z!4)) | (~strictly_less_than(Z!4, X1!3))) <=> ((~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(rewrite,[status(thm)],[])).
% 0.20/0.41  tff(113,plain,
% 0.20/0.41      (((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3) | (~pair_in_list(U!0, Y!5, Z!4)) | (~strictly_less_than(Z!4, X1!3)))) <=> ((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | ((~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.41      inference(monotonicity,[status(thm)],[112])).
% 0.20/0.41  tff(114,plain,
% 0.20/0.41      (((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3) | (~pair_in_list(U!0, Y!5, Z!4)) | (~strictly_less_than(Z!4, X1!3)))) <=> ((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.41      inference(transitivity,[status(thm)],[113, 111])).
% 0.20/0.41  tff(115,plain,
% 0.20/0.41      ((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3) | (~pair_in_list(U!0, Y!5, Z!4)) | (~strictly_less_than(Z!4, X1!3)))),
% 0.20/0.41      inference(quant_inst,[status(thm)],[])).
% 0.20/0.41  tff(116,plain,
% 0.20/0.41      ((~![V: $i, W: $i, X: $i] : (pair_in_list(update_slb(U!0, X), V, X) | (~pair_in_list(U!0, V, W)) | (~strictly_less_than(W, X)))) | (~strictly_less_than(Z!4, X1!3)) | (~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[115, 114])).
% 0.20/0.41  tff(117,plain,
% 0.20/0.41      ($false),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[116, 110, 103, 101, 100])).
% 0.20/0.41  tff(118,plain,((~pair_in_list(U!0, Y!5, Z!4)) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)), inference(lemma,lemma(discharge,[]))).
% 0.20/0.41  tff(119,plain,
% 0.20/0.41      (~pair_in_list(U!0, Y!5, Z!4)),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[118, 99])).
% 0.20/0.41  tff(120,plain,
% 0.20/0.41      ((~![U: $i, V: $i, W: $i, X: $i, Y: $i] : (pair_in_list(insert_slb(U, pair(V, X)), W, Y) <=> ((~((~(V = W)) | (~(X = Y)))) | pair_in_list(U, W, Y)))) | (pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)))),
% 0.20/0.41      inference(quant_inst,[status(thm)],[])).
% 0.20/0.41  tff(121,plain,
% 0.20/0.41      (pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4))),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[120, 13])).
% 0.20/0.41  tff(122,plain,
% 0.20/0.41      (pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4)),
% 0.20/0.41      inference(and_elim,[status(thm)],[102])).
% 0.20/0.41  tff(123,plain,
% 0.20/0.41      ((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)))) | (~pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4)) | ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4))),
% 0.20/0.41      inference(tautology,[status(thm)],[])).
% 0.20/0.41  tff(124,plain,
% 0.20/0.41      ((~(pair_in_list(insert_slb(U!0, pair(X2!2, X3!1)), Y!5, Z!4) <=> ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)))) | ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4))),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[123, 122])).
% 0.20/0.41  tff(125,plain,
% 0.20/0.41      ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[124, 121])).
% 0.20/0.41  tff(126,plain,
% 0.20/0.41      ((~((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4))) | (~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)),
% 0.20/0.41      inference(tautology,[status(thm)],[])).
% 0.20/0.41  tff(127,plain,
% 0.20/0.41      ((~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))) | pair_in_list(U!0, Y!5, Z!4)),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[126, 125])).
% 0.20/0.41  tff(128,plain,
% 0.20/0.41      (~((~(X2!2 = Y!5)) | (~(X3!1 = Z!4)))),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[127, 119])).
% 0.20/0.41  tff(129,plain,
% 0.20/0.41      (((~(X2!2 = Y!5)) | (~(X3!1 = Z!4))) | (X3!1 = Z!4)),
% 0.20/0.41      inference(tautology,[status(thm)],[])).
% 0.20/0.41  tff(130,plain,
% 0.20/0.41      (X3!1 = Z!4),
% 0.20/0.41      inference(unit_resolution,[status(thm)],[129, 128])).
% 0.20/0.41  tff(131,plain,
% 0.20/0.41      (Z!4 = X3!1),
% 0.20/0.41      inference(symmetry,[status(thm)],[130])).
% 0.20/0.41  tff(132,plain,
% 0.20/0.41      (strictly_less_than(Z!4, X1!3) <=> strictly_less_than(X3!1, X1!3)),
% 0.20/0.41      inference(monotonicity,[status(thm)],[131])).
% 0.20/0.41  tff(133,plain,
% 0.20/0.41      (strictly_less_than(X3!1, X1!3) <=> strictly_less_than(Z!4, X1!3)),
% 0.20/0.41      inference(symmetry,[status(thm)],[132])).
% 0.20/0.41  tff(134,plain,
% 0.20/0.41      ((~strictly_less_than(X3!1, X1!3)) <=> (~strictly_less_than(Z!4, X1!3))),
% 0.20/0.41      inference(monotonicity,[status(thm)],[133])).
% 0.20/0.41  tff(135,plain,
% 0.20/0.41      (~strictly_less_than(Z!4, X1!3)),
% 0.20/0.41      inference(modus_ponens,[status(thm)],[35, 134])).
% 0.20/0.42  tff(136,plain,
% 0.20/0.42      ($false),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[103, 135])).
% 0.20/0.42  tff(137,plain,(strictly_less_than(X3!1, X1!3)), inference(lemma,lemma(discharge,[]))).
% 0.20/0.42  tff(138,plain,
% 0.20/0.42      (^[U: $i, V: $i, W: $i, X: $i] : refl(((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))) <=> ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))))),
% 0.20/0.42      inference(bind,[status(th)],[])).
% 0.20/0.42  tff(139,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(quant_intro,[status(thm)],[138])).
% 0.20/0.42  tff(140,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(rewrite,[status(thm)],[])).
% 0.20/0.42  tff(141,plain,
% 0.20/0.42      (^[U: $i, V: $i, W: $i, X: $i] : rewrite((strictly_less_than(X, W) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))) <=> ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))))),
% 0.20/0.42      inference(bind,[status(th)],[])).
% 0.20/0.42  tff(142,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : (strictly_less_than(X, W) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W)))) <=> ![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(quant_intro,[status(thm)],[141])).
% 0.20/0.42  tff(143,axiom,(![U: $i, V: $i, W: $i, X: $i] : (strictly_less_than(X, W) => (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))), file('/export/starexec/sandbox2/benchmark/Axioms/SWV007+2.ax','ax29')).
% 0.20/0.42  tff(144,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(modus_ponens,[status(thm)],[143, 142])).
% 0.20/0.42  tff(145,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(modus_ponens,[status(thm)],[144, 140])).
% 0.20/0.42  tff(146,plain,(
% 0.20/0.42      ![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(skolemize,[status(sab)],[145])).
% 0.20/0.42  tff(147,plain,
% 0.20/0.42      (![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))),
% 0.20/0.42      inference(modus_ponens,[status(thm)],[146, 139])).
% 0.20/0.42  tff(148,plain,
% 0.20/0.42      (((~![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))) | ((~strictly_less_than(X3!1, X1!3)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3))))) <=> ((~![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))) | (~strictly_less_than(X3!1, X1!3)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3))))),
% 0.20/0.42      inference(rewrite,[status(thm)],[])).
% 0.20/0.42  tff(149,plain,
% 0.20/0.42      ((~![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))) | ((~strictly_less_than(X3!1, X1!3)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3))))),
% 0.20/0.42      inference(quant_inst,[status(thm)],[])).
% 0.20/0.42  tff(150,plain,
% 0.20/0.42      ((~![U: $i, V: $i, W: $i, X: $i] : ((~strictly_less_than(X, W)) | (update_slb(insert_slb(U, pair(V, X)), W) = insert_slb(update_slb(U, W), pair(V, W))))) | (~strictly_less_than(X3!1, X1!3)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)))),
% 0.20/0.42      inference(modus_ponens,[status(thm)],[149, 148])).
% 0.20/0.42  tff(151,plain,
% 0.20/0.42      ((~strictly_less_than(X3!1, X1!3)) | (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)))),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[150, 147])).
% 0.20/0.42  tff(152,plain,
% 0.20/0.42      (update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3) = insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3))),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[151, 137])).
% 0.20/0.42  tff(153,plain,
% 0.20/0.42      (insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)) = update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3)),
% 0.20/0.42      inference(symmetry,[status(thm)],[152])).
% 0.20/0.42  tff(154,plain,
% 0.20/0.42      (pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)),
% 0.20/0.42      inference(monotonicity,[status(thm)],[153])).
% 0.20/0.42  tff(155,plain,
% 0.20/0.42      (pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3) <=> pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3)),
% 0.20/0.42      inference(symmetry,[status(thm)],[154])).
% 0.20/0.42  tff(156,plain,
% 0.20/0.42      ((~pair_in_list(update_slb(insert_slb(U!0, pair(X2!2, X3!1)), X1!3), Y!5, X1!3)) <=> (~pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3))),
% 0.20/0.42      inference(monotonicity,[status(thm)],[155])).
% 0.20/0.42  tff(157,plain,
% 0.20/0.42      (~pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3)),
% 0.20/0.42      inference(modus_ponens,[status(thm)],[94, 156])).
% 0.20/0.42  tff(158,plain,
% 0.20/0.42      ((~(pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) <=> ((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))) | pair_in_list(insert_slb(update_slb(U!0, X1!3), pair(X2!2, X1!3)), Y!5, X1!3) | (~((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)))),
% 0.20/0.42      inference(tautology,[status(thm)],[])).
% 0.20/0.42  tff(159,plain,
% 0.20/0.42      (~((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[158, 157, 20])).
% 0.20/0.42  tff(160,plain,
% 0.20/0.42      (((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)) | (~(X2!2 = Y!5))),
% 0.20/0.42      inference(tautology,[status(thm)],[])).
% 0.20/0.42  tff(161,plain,
% 0.20/0.42      (~(X2!2 = Y!5)),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[160, 159])).
% 0.20/0.42  tff(162,plain,
% 0.20/0.42      (((~(X2!2 = Y!5)) | (~(X3!1 = Z!4))) | (X2!2 = Y!5)),
% 0.20/0.42      inference(tautology,[status(thm)],[])).
% 0.20/0.42  tff(163,plain,
% 0.20/0.42      ((~(X2!2 = Y!5)) | (~(X3!1 = Z!4))),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[162, 161])).
% 0.20/0.42  tff(164,plain,
% 0.20/0.42      (((X2!2 = Y!5) | pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)) | (~pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3))),
% 0.20/0.42      inference(tautology,[status(thm)],[])).
% 0.20/0.42  tff(165,plain,
% 0.20/0.42      (~pair_in_list(update_slb(U!0, X1!3), Y!5, X1!3)),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[164, 159])).
% 0.20/0.42  tff(166,plain,
% 0.20/0.42      (~pair_in_list(U!0, Y!5, Z!4)),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[118, 165])).
% 0.20/0.42  tff(167,plain,
% 0.20/0.42      ($false),
% 0.20/0.42      inference(unit_resolution,[status(thm)],[127, 166, 163])).
% 0.20/0.42  % SZS output end Proof
%------------------------------------------------------------------------------