TSTP Solution File: SYN415+1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : SYN415+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n009.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 23:55:13 EDT 2022

% Result   : Theorem 0.19s 0.39s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN415+1 : TPTP v8.1.0. Released v2.0.0.
% 0.13/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n009.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Mon Sep  5 03:09:20 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.19/0.34  Usage: tptp [options] [-file:]file
% 0.19/0.34    -h, -?       prints this message.
% 0.19/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.19/0.34    -m, -model   generate model.
% 0.19/0.34    -p, -proof   generate proof.
% 0.19/0.34    -c, -core    generate unsat core of named formulas.
% 0.19/0.34    -st, -statistics display statistics.
% 0.19/0.34    -t:timeout   set timeout (in second).
% 0.19/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.19/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.19/0.34    -<param>:<value> configuration parameter and value.
% 0.19/0.34    -o:<output-file> file to place output in.
% 0.19/0.39  % SZS status Theorem
% 0.19/0.39  % SZS output start Proof
% 0.19/0.39  tff(f_type, type, (
% 0.19/0.39     f: $i > $o)).
% 0.19/0.39  tff(tptp_fun_V_4_type, type, (
% 0.19/0.39     tptp_fun_V_4: $i > $i)).
% 0.19/0.39  tff(tptp_fun_U_3_type, type, (
% 0.19/0.39     tptp_fun_U_3: $i)).
% 0.19/0.39  tff(tptp_fun_X_2_type, type, (
% 0.19/0.39     tptp_fun_X_2: $i)).
% 0.19/0.39  tff(tptp_fun_Z_0_type, type, (
% 0.19/0.39     tptp_fun_Z_0: $i)).
% 0.19/0.39  tff(tptp_fun_Y_1_type, type, (
% 0.19/0.39     tptp_fun_Y_1: $i)).
% 0.19/0.39  tff(1,assumption,(~((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))), introduced(assumption)).
% 0.19/0.39  tff(2,plain,
% 0.19/0.39      (((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3))) | (~(U!3 = tptp_fun_V_4(U!3)))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(3,plain,
% 0.19/0.39      (~(U!3 = tptp_fun_V_4(U!3))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[2, 1])).
% 0.19/0.39  tff(4,plain,
% 0.19/0.39      (((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3))) | f(tptp_fun_V_4(U!3))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(5,plain,
% 0.19/0.39      (f(tptp_fun_V_4(U!3))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[4, 1])).
% 0.19/0.39  tff(6,assumption,(~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))), introduced(assumption)).
% 0.19/0.39  tff(7,plain,
% 0.19/0.39      (((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))) | f(X!2)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(8,plain,
% 0.19/0.39      (f(X!2)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[7, 6])).
% 0.19/0.39  tff(9,assumption,(![X: $i] : (~f(X))), introduced(assumption)).
% 0.19/0.39  tff(10,assumption,(f(X!2)), introduced(assumption)).
% 0.19/0.39  tff(11,plain,
% 0.19/0.39      ((~![X: $i] : (~f(X))) | (~f(X!2))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(12,plain,
% 0.19/0.39      ($false),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[11, 10, 9])).
% 0.19/0.39  tff(13,plain,((~![X: $i] : (~f(X))) | (~f(X!2))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.39  tff(14,plain,
% 0.19/0.39      (~![X: $i] : (~f(X))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[13, 8])).
% 0.19/0.39  tff(15,assumption,(~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))), introduced(assumption)).
% 0.19/0.39  tff(16,plain,
% 0.19/0.39      (((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))) | f(Z!0)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(17,plain,
% 0.19/0.39      (f(Z!0)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[16, 15])).
% 0.19/0.39  tff(18,plain,
% 0.19/0.39      (((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))) | f(Y!1)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(19,plain,
% 0.19/0.39      (f(Y!1)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[18, 15])).
% 0.19/0.39  tff(20,plain,
% 0.19/0.39      (((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))) | (~(Y!1 = Z!0))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(21,plain,
% 0.19/0.39      (~(Y!1 = Z!0)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[20, 15])).
% 0.19/0.39  tff(22,assumption,(f(Z!0)), introduced(assumption)).
% 0.19/0.39  tff(23,assumption,(![V: $i] : ((~f(V)) | (U!3 = V))), introduced(assumption)).
% 0.19/0.39  tff(24,plain,
% 0.19/0.39      (((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(Z!0)) | (U!3 = Z!0))) <=> ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(Z!0)) | (U!3 = Z!0))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(25,plain,
% 0.19/0.39      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(Z!0)) | (U!3 = Z!0))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(26,plain,
% 0.19/0.39      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(Z!0)) | (U!3 = Z!0)),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[25, 24])).
% 0.19/0.39  tff(27,plain,
% 0.19/0.39      (U!3 = Z!0),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[26, 23, 22])).
% 0.19/0.39  tff(28,assumption,(f(Y!1)), introduced(assumption)).
% 0.19/0.39  tff(29,plain,
% 0.19/0.39      (((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(Y!1)) | (U!3 = Y!1))) <=> ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(Y!1)) | (U!3 = Y!1))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(30,plain,
% 0.19/0.39      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(Y!1)) | (U!3 = Y!1))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(31,plain,
% 0.19/0.39      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(Y!1)) | (U!3 = Y!1)),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[30, 29])).
% 0.19/0.39  tff(32,plain,
% 0.19/0.39      (U!3 = Y!1),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[31, 23, 28])).
% 0.19/0.39  tff(33,plain,
% 0.19/0.39      (Y!1 = U!3),
% 0.19/0.39      inference(symmetry,[status(thm)],[32])).
% 0.19/0.39  tff(34,plain,
% 0.19/0.39      (Y!1 = Z!0),
% 0.19/0.39      inference(transitivity,[status(thm)],[33, 27])).
% 0.19/0.39  tff(35,assumption,(~(Y!1 = Z!0)), introduced(assumption)).
% 0.19/0.39  tff(36,plain,
% 0.19/0.39      ($false),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[35, 34])).
% 0.19/0.39  tff(37,plain,((~![V: $i] : ((~f(V)) | (U!3 = V))) | (Y!1 = Z!0) | (~f(Z!0)) | (~f(Y!1))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.39  tff(38,plain,
% 0.19/0.39      (~![V: $i] : ((~f(V)) | (U!3 = V))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[37, 21, 17, 19])).
% 0.19/0.39  tff(39,plain,
% 0.19/0.39      (((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))) | ![V: $i] : ((~f(V)) | (U!3 = V))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(40,plain,
% 0.19/0.39      ((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[39, 38])).
% 0.19/0.39  tff(41,plain,
% 0.19/0.39      (((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))))) <=> ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(42,plain,
% 0.19/0.39      (((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))))) <=> ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(43,plain,
% 0.19/0.39      ((f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V))) <=> (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(44,plain,
% 0.19/0.39      ((f(X!2) & ![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) <=> (~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(45,plain,
% 0.19/0.39      (^[Y: $i, Z: $i] : trans(monotonicity(trans(monotonicity(rewrite((f(Y) & f(Z)) <=> (~((~f(Z)) | (~f(Y))))), ((~(f(Y) & f(Z))) <=> (~(~((~f(Z)) | (~f(Y))))))), rewrite((~(~((~f(Z)) | (~f(Y))))) <=> ((~f(Z)) | (~f(Y)))), ((~(f(Y) & f(Z))) <=> ((~f(Z)) | (~f(Y))))), (((~(f(Y) & f(Z))) | (Y = Z)) <=> (((~f(Z)) | (~f(Y))) | (Y = Z)))), rewrite((((~f(Z)) | (~f(Y))) | (Y = Z)) <=> ((Y = Z) | (~f(Z)) | (~f(Y)))), (((~(f(Y) & f(Z))) | (Y = Z)) <=> ((Y = Z) | (~f(Z)) | (~f(Y)))))),
% 0.19/0.39      inference(bind,[status(th)],[])).
% 0.19/0.39  tff(46,plain,
% 0.19/0.39      (![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)) <=> ![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))),
% 0.19/0.39      inference(quant_intro,[status(thm)],[45])).
% 0.19/0.39  tff(47,plain,
% 0.19/0.39      ((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) <=> (f(X!2) & ![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))),
% 0.19/0.39      inference(monotonicity,[status(thm)],[46])).
% 0.19/0.39  tff(48,plain,
% 0.19/0.39      ((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) <=> (~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))))),
% 0.19/0.39      inference(transitivity,[status(thm)],[47, 44])).
% 0.19/0.39  tff(49,plain,
% 0.19/0.39      (((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) <=> ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V))))))),
% 0.19/0.39      inference(monotonicity,[status(thm)],[48, 43])).
% 0.19/0.39  tff(50,plain,
% 0.19/0.39      (((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) <=> ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V))))))),
% 0.19/0.39      inference(transitivity,[status(thm)],[49, 42])).
% 0.19/0.39  tff(51,plain,
% 0.19/0.39      ((((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) & ((![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0)))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))) <=> (((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) & (![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(52,plain,
% 0.19/0.39      (((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))) <=> ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(53,plain,
% 0.19/0.39      ((~((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V))))) <=> ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(54,plain,
% 0.19/0.40      (((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((f(Y) & f(Z)) => (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : (f(V) => (U = V)))) <=> ((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(55,plain,
% 0.19/0.40      ((~((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((f(Y) & f(Z)) => (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : (f(V) => (U = V))))) <=> (~((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[54])).
% 0.19/0.40  tff(56,plain,
% 0.19/0.40      ((~((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((f(Y) & f(Z)) => (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : (f(V) => (U = V))))) <=> ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[55, 53])).
% 0.19/0.40  tff(57,axiom,(~((?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((f(Y) & f(Z)) => (Y = Z))) <=> ?[U: $i] : (f(U) & ![V: $i] : (f(V) => (U = V))))), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','kalish317')).
% 0.19/0.40  tff(58,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[57, 56])).
% 0.19/0.40  tff(59,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[58, 52])).
% 0.19/0.40  tff(60,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[59, 52])).
% 0.19/0.40  tff(61,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[60, 52])).
% 0.19/0.40  tff(62,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[61, 52])).
% 0.19/0.40  tff(63,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[62, 52])).
% 0.19/0.40  tff(64,plain,
% 0.19/0.40      ((~(?[X: $i] : f(X) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z)))) <=> ?[U: $i] : (f(U) & ![V: $i] : ((~f(V)) | (U = V)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[63, 52])).
% 0.19/0.40  tff(65,plain,(
% 0.19/0.40      ((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) & ((![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0)))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))),
% 0.19/0.40      inference(skolemize,[status(sab)],[64])).
% 0.19/0.40  tff(66,plain,
% 0.19/0.40      (((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))) & (![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[65, 51])).
% 0.19/0.40  tff(67,plain,
% 0.19/0.40      ((f(X!2) & ![Y: $i, Z: $i] : ((~(f(Y) & f(Z))) | (Y = Z))) | (f(U!3) & ![V: $i] : ((~f(V)) | (U!3 = V)))),
% 0.19/0.40      inference(and_elim,[status(thm)],[66])).
% 0.19/0.40  tff(68,plain,
% 0.19/0.40      ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[67, 50])).
% 0.19/0.40  tff(69,plain,
% 0.19/0.40      ((~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))) | (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[68, 41])).
% 0.19/0.40  tff(70,plain,
% 0.19/0.40      (~((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[69, 40])).
% 0.19/0.40  tff(71,plain,
% 0.19/0.40      (((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))) | ![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(72,plain,
% 0.19/0.40      (![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[71, 70])).
% 0.19/0.40  tff(73,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(74,plain,
% 0.19/0.40      (((Y!1 = Z!0) | (~f(Z!0)) | (~f(Y!1))) <=> ((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(75,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((Y!1 = Z!0) | (~f(Z!0)) | (~f(Y!1)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[74])).
% 0.19/0.40  tff(76,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((Y!1 = Z!0) | (~f(Z!0)) | (~f(Y!1)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))),
% 0.19/0.40      inference(transitivity,[status(thm)],[75, 73])).
% 0.19/0.40  tff(77,plain,
% 0.19/0.40      ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((Y!1 = Z!0) | (~f(Z!0)) | (~f(Y!1)))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(78,plain,
% 0.19/0.40      ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[77, 76])).
% 0.19/0.40  tff(79,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[78, 72, 21, 19, 17])).
% 0.19/0.40  tff(80,plain,((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(81,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))) <=> ((~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) | ![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(82,plain,
% 0.19/0.40      ((~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) <=> (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(83,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))) <=> (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[82])).
% 0.19/0.40  tff(84,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))) <=> ((~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) | ![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[83, 81])).
% 0.19/0.40  tff(85,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))) <=> (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(86,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) <=> (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(87,plain,
% 0.19/0.40      ((~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) <=> (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(88,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) <=> (![X: $i] : (~f(X)) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[87])).
% 0.19/0.40  tff(89,plain,
% 0.19/0.40      ((![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) <=> (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[88, 86])).
% 0.19/0.40  tff(90,plain,
% 0.19/0.40      (![X: $i] : (~f(X)) | (~((~(f(Y!1) & f(Z!0))) | (Y!1 = Z!0))) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))),
% 0.19/0.40      inference(and_elim,[status(thm)],[66])).
% 0.19/0.40  tff(91,plain,
% 0.19/0.40      (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[90, 89])).
% 0.19/0.40  tff(92,plain,
% 0.19/0.40      (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U))))) | (~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[91, 85])).
% 0.19/0.40  tff(93,plain,
% 0.19/0.40      ((~((Y!1 = Z!0) | (~f(Y!1)) | (~f(Z!0)))) | ![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[92, 84])).
% 0.19/0.40  tff(94,plain,
% 0.19/0.40      (![X: $i] : (~f(X)) | ![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[93, 80])).
% 0.19/0.40  tff(95,plain,
% 0.19/0.40      (![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[94, 14])).
% 0.19/0.40  tff(96,plain,
% 0.19/0.40      (((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | ((~f(X!2)) | (~((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))))) <=> ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | (~f(X!2)) | (~((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(97,plain,
% 0.19/0.40      ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | ((~f(X!2)) | (~((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(98,plain,
% 0.19/0.40      ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | (~f(X!2)) | (~((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[97, 96])).
% 0.19/0.40  tff(99,plain,
% 0.19/0.40      (~((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[98, 8, 95])).
% 0.19/0.40  tff(100,plain,
% 0.19/0.40      (((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2))) | (~(X!2 = tptp_fun_V_4(X!2)))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(101,plain,
% 0.19/0.40      (~(X!2 = tptp_fun_V_4(X!2))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[100, 99])).
% 0.19/0.40  tff(102,plain,
% 0.19/0.40      (((~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2))) | f(tptp_fun_V_4(X!2))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(103,plain,
% 0.19/0.40      (f(tptp_fun_V_4(X!2))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[102, 99])).
% 0.19/0.40  tff(104,plain,
% 0.19/0.40      (![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[71, 6])).
% 0.19/0.40  tff(105,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(106,plain,
% 0.19/0.40      (((X!2 = tptp_fun_V_4(X!2)) | (~f(tptp_fun_V_4(X!2))) | (~f(X!2))) <=> ((~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(107,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((X!2 = tptp_fun_V_4(X!2)) | (~f(tptp_fun_V_4(X!2))) | (~f(X!2)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[106])).
% 0.19/0.40  tff(108,plain,
% 0.19/0.40      (((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((X!2 = tptp_fun_V_4(X!2)) | (~f(tptp_fun_V_4(X!2))) | (~f(X!2)))) <=> ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2)))),
% 0.19/0.41      inference(transitivity,[status(thm)],[107, 105])).
% 0.19/0.41  tff(109,plain,
% 0.19/0.41      ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | ((X!2 = tptp_fun_V_4(X!2)) | (~f(tptp_fun_V_4(X!2))) | (~f(X!2)))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(110,plain,
% 0.19/0.41      ((~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y)))) | (~f(X!2)) | (~f(tptp_fun_V_4(X!2))) | (X!2 = tptp_fun_V_4(X!2))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[109, 108])).
% 0.19/0.41  tff(111,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[110, 8, 104, 103, 101])).
% 0.19/0.41  tff(112,plain,((~f(X!2)) | (~![Y: $i, Z: $i] : ((Y = Z) | (~f(Z)) | (~f(Y))))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.41  tff(113,plain,
% 0.19/0.41      (~((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V))))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[69, 112])).
% 0.19/0.41  tff(114,plain,
% 0.19/0.41      (![V: $i] : ((~f(V)) | (U!3 = V))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[39, 113])).
% 0.19/0.41  tff(115,plain,
% 0.19/0.41      (((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))) <=> ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(116,plain,
% 0.19/0.41      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | ((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(117,plain,
% 0.19/0.41      ((~![V: $i] : ((~f(V)) | (U!3 = V))) | (~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[116, 115])).
% 0.19/0.41  tff(118,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[117, 114, 5, 3])).
% 0.19/0.41  tff(119,plain,((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.41  tff(120,assumption,(![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))), introduced(assumption)).
% 0.19/0.41  tff(121,plain,
% 0.19/0.41      (((~f(U!3)) | (~![V: $i] : ((~f(V)) | (U!3 = V)))) | f(U!3)),
% 0.19/0.41      inference(tautology,[status(thm)],[])).
% 0.19/0.41  tff(122,plain,
% 0.19/0.41      (f(U!3)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[121, 113])).
% 0.19/0.41  tff(123,plain,
% 0.19/0.41      (((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | ((~f(U!3)) | (~((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))))) <=> ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | (~f(U!3)) | (~((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))))),
% 0.19/0.41      inference(rewrite,[status(thm)],[])).
% 0.19/0.41  tff(124,plain,
% 0.19/0.41      ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | ((~f(U!3)) | (~((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3)))))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(125,plain,
% 0.19/0.41      ((~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))) | (~f(U!3)) | (~((~f(tptp_fun_V_4(U!3))) | (U!3 = tptp_fun_V_4(U!3))))),
% 0.19/0.41      inference(modus_ponens,[status(thm)],[124, 123])).
% 0.19/0.41  tff(126,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[125, 122, 120, 119])).
% 0.19/0.41  tff(127,plain,(~![U: $i] : ((~f(U)) | (~((~f(tptp_fun_V_4(U))) | (U = tptp_fun_V_4(U)))))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.41  tff(128,plain,
% 0.19/0.41      (![X: $i] : (~f(X))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[94, 127])).
% 0.19/0.41  tff(129,plain,
% 0.19/0.41      ((~![X: $i] : (~f(X))) | (~f(U!3))),
% 0.19/0.41      inference(quant_inst,[status(thm)],[])).
% 0.19/0.41  tff(130,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[129, 122, 128])).
% 0.19/0.41  % SZS output end Proof
%------------------------------------------------------------------------------