TSTP Solution File: DAT021_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : DAT021_1 : TPTP v8.1.0. Released v5.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n023.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 : Fri Sep 16 14:36:24 EDT 2022

% Result   : Theorem 0.19s 0.38s
% Output   : Proof 0.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : DAT021_1 : TPTP v8.1.0. Released v5.0.0.
% 0.06/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.33  % Computer : n023.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Aug 31 02:04:23 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.13/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34  Usage: tptp [options] [-file:]file
% 0.13/0.34    -h, -?       prints this message.
% 0.13/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.34    -m, -model   generate model.
% 0.13/0.34    -p, -proof   generate proof.
% 0.13/0.34    -c, -core    generate unsat core of named formulas.
% 0.13/0.34    -st, -statistics display statistics.
% 0.13/0.34    -t:timeout   set timeout (in second).
% 0.13/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34    -<param>:<value> configuration parameter and value.
% 0.13/0.34    -o:<output-file> file to place output in.
% 0.19/0.38  % SZS status Theorem
% 0.19/0.38  % SZS output start Proof
% 0.19/0.38  tff(in_type, type, (
% 0.19/0.38     in: ( $int * collection ) > $o)).
% 0.19/0.38  tff(add_type, type, (
% 0.19/0.38     add: ( $int * collection ) > collection)).
% 0.19/0.38  tff(empty_type, type, (
% 0.19/0.38     empty: collection)).
% 0.19/0.38  tff(tptp_fun_V_1_type, type, (
% 0.19/0.38     tptp_fun_V_1: $int)).
% 0.19/0.38  tff(tptp_fun_W_0_type, type, (
% 0.19/0.38     tptp_fun_W_0: $int)).
% 0.19/0.38  tff(tptp_fun_U_2_type, type, (
% 0.19/0.38     tptp_fun_U_2: collection)).
% 0.19/0.38  tff(1,assumption,(~((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))), introduced(assumption)).
% 0.19/0.38  tff(2,plain,
% 0.19/0.38      (^[Z: $int, X1: collection, X2: $int] : refl(((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1))) <=> ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1))))),
% 0.19/0.38      inference(bind,[status(th)],[])).
% 0.19/0.38  tff(3,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1))) <=> ![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(quant_intro,[status(thm)],[2])).
% 0.19/0.38  tff(4,plain,
% 0.19/0.38      (^[Z: $int, X1: collection, X2: $int] : rewrite(((in(Z, X1) | ($sum(Z, $product(-1, X2)) = 0)) <=> in(Z, add(X2, X1))) <=> ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1))))),
% 0.19/0.38      inference(bind,[status(th)],[])).
% 0.19/0.38  tff(5,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(Z, $product(-1, X2)) = 0)) <=> in(Z, add(X2, X1))) <=> ![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(quant_intro,[status(thm)],[4])).
% 0.19/0.38  tff(6,plain,
% 0.19/0.38      (^[Z: $int, X1: collection, X2: $int] : rewrite((((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1))) <=> ((in(Z, X1) | ($sum(Z, $product(-1, X2)) = 0)) <=> in(Z, add(X2, X1))))),
% 0.19/0.38      inference(bind,[status(th)],[])).
% 0.19/0.38  tff(7,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1))) <=> ![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(Z, $product(-1, X2)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(quant_intro,[status(thm)],[6])).
% 0.19/0.38  tff(8,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1))) <=> ![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(rewrite,[status(thm)],[])).
% 0.19/0.38  tff(9,plain,
% 0.19/0.38      (^[Z: $int, X1: collection, X2: $int] : rewrite(((in(Z, X1) | (Z = X2)) <=> in(Z, add(X2, X1))) <=> (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1))))),
% 0.19/0.38      inference(bind,[status(th)],[])).
% 0.19/0.38  tff(10,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | (Z = X2)) <=> in(Z, add(X2, X1))) <=> ![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(quant_intro,[status(thm)],[9])).
% 0.19/0.38  tff(11,axiom,(![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | (Z = X2)) <=> in(Z, add(X2, X1)))), file('/export/starexec/sandbox/benchmark/Axioms/DAT002=0.ax','ax4')).
% 0.19/0.38  tff(12,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(modus_ponens,[status(thm)],[11, 10])).
% 0.19/0.38  tff(13,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : (((Z = X2) | in(Z, X1)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(modus_ponens,[status(thm)],[12, 8])).
% 0.19/0.38  tff(14,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(Z, $product(-1, X2)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(modus_ponens,[status(thm)],[13, 7])).
% 0.19/0.38  tff(15,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(modus_ponens,[status(thm)],[14, 5])).
% 0.19/0.38  tff(16,plain,(
% 0.19/0.38      ![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(skolemize,[status(sab)],[15])).
% 0.19/0.38  tff(17,plain,
% 0.19/0.38      (![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))),
% 0.19/0.38      inference(modus_ponens,[status(thm)],[16, 3])).
% 0.19/0.38  tff(18,plain,
% 0.19/0.38      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty)))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(19,plain,
% 0.19/0.39      (((in(W!0, add(1, empty)) | ($sum(3, $product(-1, W!0)) = 0)) <=> in(W!0, add(3, add(1, empty)))) <=> ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(20,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | ($sum(3, $product(-1, W!0)) = 0)) <=> in(W!0, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty)))))),
% 0.19/0.39      inference(monotonicity,[status(thm)],[19])).
% 0.19/0.39  tff(21,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | ($sum(3, $product(-1, W!0)) = 0)) <=> in(W!0, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty)))))),
% 0.19/0.39      inference(transitivity,[status(thm)],[20, 18])).
% 0.19/0.39  tff(22,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | ($sum(3, $product(-1, W!0)) = 0)) <=> in(W!0, add(3, add(1, empty))))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(23,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[22, 21])).
% 0.19/0.39  tff(24,plain,
% 0.19/0.39      ($false),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[23, 17, 1])).
% 0.19/0.39  tff(25,plain,((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty)))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.39  tff(26,plain,
% 0.19/0.39      ((~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0)))))) <=> (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(27,plain,
% 0.19/0.39      ((~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(V, W), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(V, $product(-1, W)) = 0)))))) <=> (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(28,plain,
% 0.19/0.39      ((~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))) <=> (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(V, W), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(V, $product(-1, W)) = 0))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(29,plain,
% 0.19/0.39      ((~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))) <=> (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(30,plain,
% 0.19/0.39      ((~![U: collection, V: $int, W: $int] : (((((U = add(5, add(3, add(1, empty)))) & in(V, U)) & in(W, U)) & (~(V = W))) => $less($sum(V, W), 9))) <=> (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(31,axiom,(~![U: collection, V: $int, W: $int] : (((((U = add(5, add(3, add(1, empty)))) & in(V, U)) & in(W, U)) & (~(V = W))) => $less($sum(V, W), 9))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','co1')).
% 0.19/0.39  tff(32,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[31, 30])).
% 0.19/0.39  tff(33,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[32, 29])).
% 0.19/0.39  tff(34,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[33, 29])).
% 0.19/0.39  tff(35,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$lesseq(9, $sum(V, W))) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~(V = W)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[34, 29])).
% 0.19/0.39  tff(36,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(V, W), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(V, $product(-1, W)) = 0)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[35, 28])).
% 0.19/0.39  tff(37,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[36, 27])).
% 0.19/0.39  tff(38,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[37, 26])).
% 0.19/0.39  tff(39,plain,
% 0.19/0.39      (~![U: collection, V: $int, W: $int] : ((~$greatereq($sum(W, V), 9)) | (~((U = add(5, add(3, add(1, empty)))) & in(V, U) & in(W, U) & (~($sum(W, $product(-1, V)) = 0)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[38, 26])).
% 0.19/0.39  tff(40,plain,(
% 0.19/0.39      ~((~$greatereq($sum(W!0, V!1), 9)) | (~((U!2 = add(5, add(3, add(1, empty)))) & in(V!1, U!2) & in(W!0, U!2) & (~($sum(W!0, $product(-1, V!1)) = 0)))))),
% 0.19/0.39      inference(skolemize,[status(sab)],[39])).
% 0.19/0.39  tff(41,plain,
% 0.19/0.39      ($greatereq($sum(W!0, V!1), 9)),
% 0.19/0.39      inference(or_elim,[status(thm)],[40])).
% 0.19/0.39  tff(42,assumption,(~$lesseq(V!1, 5)), introduced(assumption)).
% 0.19/0.39  tff(43,plain,
% 0.19/0.39      ((~$lesseq(V!1, 1)) | $lesseq(V!1, 5)),
% 0.19/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.39  tff(44,plain,
% 0.19/0.39      (~$lesseq(V!1, 1)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[43, 42])).
% 0.19/0.39  tff(45,plain,
% 0.19/0.39      ((~(V!1 = 1)) | $lesseq(V!1, 1)),
% 0.19/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.39  tff(46,plain,
% 0.19/0.39      (~(V!1 = 1)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[45, 44])).
% 0.19/0.39  tff(47,assumption,(in(V!1, empty)), introduced(assumption)).
% 0.19/0.39  tff(48,plain,
% 0.19/0.39      (^[U: $int] : refl((~in(U, empty)) <=> (~in(U, empty)))),
% 0.19/0.39      inference(bind,[status(th)],[])).
% 0.19/0.39  tff(49,plain,
% 0.19/0.39      (![U: $int] : (~in(U, empty)) <=> ![U: $int] : (~in(U, empty))),
% 0.19/0.39      inference(quant_intro,[status(thm)],[48])).
% 0.19/0.39  tff(50,plain,
% 0.19/0.39      (![U: $int] : (~in(U, empty)) <=> ![U: $int] : (~in(U, empty))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(51,axiom,(![U: $int] : (~in(U, empty))), file('/export/starexec/sandbox/benchmark/Axioms/DAT002=0.ax','ax1')).
% 0.19/0.39  tff(52,plain,
% 0.19/0.39      (![U: $int] : (~in(U, empty))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[51, 50])).
% 0.19/0.39  tff(53,plain,(
% 0.19/0.39      ![U: $int] : (~in(U, empty))),
% 0.19/0.39      inference(skolemize,[status(sab)],[52])).
% 0.19/0.39  tff(54,plain,
% 0.19/0.39      (![U: $int] : (~in(U, empty))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[53, 49])).
% 0.19/0.39  tff(55,plain,
% 0.19/0.39      ((~![U: $int] : (~in(U, empty))) | (~in(V!1, empty))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(56,plain,
% 0.19/0.39      ($false),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[55, 54, 47])).
% 0.19/0.39  tff(57,plain,(~in(V!1, empty)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.39  tff(58,plain,
% 0.19/0.39      ((~(in(V!1, empty) | (V!1 = 1))) | in(V!1, empty) | (V!1 = 1)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(59,plain,
% 0.19/0.39      ((~(in(V!1, empty) | (V!1 = 1))) | (V!1 = 1)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[58, 57])).
% 0.19/0.39  tff(60,plain,
% 0.19/0.39      (~(in(V!1, empty) | (V!1 = 1))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[59, 46])).
% 0.19/0.39  tff(61,assumption,(~((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty))))), introduced(assumption)).
% 0.19/0.39  tff(62,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty)))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(63,plain,
% 0.19/0.39      (((in(V!1, add(1, empty)) | ($sum(3, $product(-1, V!1)) = 0)) <=> in(V!1, add(3, add(1, empty)))) <=> ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(64,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | ($sum(3, $product(-1, V!1)) = 0)) <=> in(V!1, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty)))))),
% 0.19/0.39      inference(monotonicity,[status(thm)],[63])).
% 0.19/0.39  tff(65,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | ($sum(3, $product(-1, V!1)) = 0)) <=> in(V!1, add(3, add(1, empty))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty)))))),
% 0.19/0.39      inference(transitivity,[status(thm)],[64, 62])).
% 0.19/0.39  tff(66,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | ($sum(3, $product(-1, V!1)) = 0)) <=> in(V!1, add(3, add(1, empty))))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(67,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[66, 65])).
% 0.19/0.39  tff(68,plain,
% 0.19/0.39      ($false),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[67, 17, 61])).
% 0.19/0.39  tff(69,plain,((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty)))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.39  tff(70,plain,
% 0.19/0.39      ((~(V!1 = 5)) | $lesseq(V!1, 5)),
% 0.19/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.39  tff(71,plain,
% 0.19/0.39      (~(V!1 = 5)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[70, 42])).
% 0.19/0.39  tff(72,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty))))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(73,plain,
% 0.19/0.39      (((in(V!1, add(3, add(1, empty))) | ($sum(5, $product(-1, V!1)) = 0)) <=> in(V!1, add(5, add(3, add(1, empty))))) <=> ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty)))))),
% 0.19/0.39      inference(rewrite,[status(thm)],[])).
% 0.19/0.39  tff(74,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | ($sum(5, $product(-1, V!1)) = 0)) <=> in(V!1, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty))))))),
% 0.19/0.39      inference(monotonicity,[status(thm)],[73])).
% 0.19/0.39  tff(75,plain,
% 0.19/0.39      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | ($sum(5, $product(-1, V!1)) = 0)) <=> in(V!1, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty))))))),
% 0.19/0.39      inference(transitivity,[status(thm)],[74, 72])).
% 0.19/0.39  tff(76,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | ($sum(5, $product(-1, V!1)) = 0)) <=> in(V!1, add(5, add(3, add(1, empty)))))),
% 0.19/0.39      inference(quant_inst,[status(thm)],[])).
% 0.19/0.39  tff(77,plain,
% 0.19/0.39      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty)))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[76, 75])).
% 0.19/0.39  tff(78,plain,
% 0.19/0.39      ((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty))))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[77, 17])).
% 0.19/0.39  tff(79,plain,
% 0.19/0.39      ((U!2 = add(5, add(3, add(1, empty)))) & in(V!1, U!2) & in(W!0, U!2) & (~($sum(W!0, $product(-1, V!1)) = 0))),
% 0.19/0.39      inference(or_elim,[status(thm)],[40])).
% 0.19/0.39  tff(80,plain,
% 0.19/0.39      (U!2 = add(5, add(3, add(1, empty)))),
% 0.19/0.39      inference(and_elim,[status(thm)],[79])).
% 0.19/0.39  tff(81,plain,
% 0.19/0.39      (add(5, add(3, add(1, empty))) = U!2),
% 0.19/0.39      inference(symmetry,[status(thm)],[80])).
% 0.19/0.39  tff(82,plain,
% 0.19/0.39      (in(V!1, add(5, add(3, add(1, empty)))) <=> in(V!1, U!2)),
% 0.19/0.39      inference(monotonicity,[status(thm)],[81])).
% 0.19/0.39  tff(83,plain,
% 0.19/0.39      (in(V!1, U!2) <=> in(V!1, add(5, add(3, add(1, empty))))),
% 0.19/0.39      inference(symmetry,[status(thm)],[82])).
% 0.19/0.39  tff(84,plain,
% 0.19/0.39      (in(V!1, U!2)),
% 0.19/0.39      inference(and_elim,[status(thm)],[79])).
% 0.19/0.39  tff(85,plain,
% 0.19/0.39      (in(V!1, add(5, add(3, add(1, empty))))),
% 0.19/0.39      inference(modus_ponens,[status(thm)],[84, 83])).
% 0.19/0.39  tff(86,plain,
% 0.19/0.39      ((~((in(V!1, add(3, add(1, empty))) | (V!1 = 5)) <=> in(V!1, add(5, add(3, add(1, empty)))))) | (in(V!1, add(3, add(1, empty))) | (V!1 = 5)) | (~in(V!1, add(5, add(3, add(1, empty)))))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(87,plain,
% 0.19/0.39      (in(V!1, add(3, add(1, empty))) | (V!1 = 5)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[86, 85, 78])).
% 0.19/0.39  tff(88,plain,
% 0.19/0.39      ((~(in(V!1, add(3, add(1, empty))) | (V!1 = 5))) | in(V!1, add(3, add(1, empty))) | (V!1 = 5)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(89,plain,
% 0.19/0.39      (in(V!1, add(3, add(1, empty))) | (V!1 = 5)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[88, 87])).
% 0.19/0.39  tff(90,plain,
% 0.19/0.39      (in(V!1, add(3, add(1, empty)))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[89, 71])).
% 0.19/0.39  tff(91,plain,
% 0.19/0.39      ((~((in(V!1, add(1, empty)) | (V!1 = 3)) <=> in(V!1, add(3, add(1, empty))))) | (in(V!1, add(1, empty)) | (V!1 = 3)) | (~in(V!1, add(3, add(1, empty))))),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(92,plain,
% 0.19/0.39      (in(V!1, add(1, empty)) | (V!1 = 3)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[91, 90, 69])).
% 0.19/0.39  tff(93,plain,
% 0.19/0.39      ((~$lesseq(V!1, 3)) | $lesseq(V!1, 5)),
% 0.19/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.39  tff(94,plain,
% 0.19/0.39      (~$lesseq(V!1, 3)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[93, 42])).
% 0.19/0.39  tff(95,plain,
% 0.19/0.39      ((~(V!1 = 3)) | $lesseq(V!1, 3)),
% 0.19/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.39  tff(96,plain,
% 0.19/0.39      (~(V!1 = 3)),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[95, 94])).
% 0.19/0.39  tff(97,plain,
% 0.19/0.39      ((~(in(V!1, add(1, empty)) | (V!1 = 3))) | in(V!1, add(1, empty)) | (V!1 = 3)),
% 0.19/0.39      inference(tautology,[status(thm)],[])).
% 0.19/0.39  tff(98,plain,
% 0.19/0.39      (in(V!1, add(1, empty))),
% 0.19/0.39      inference(unit_resolution,[status(thm)],[97, 96, 92])).
% 0.19/0.39  tff(99,assumption,(~((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty)))), introduced(assumption)).
% 0.19/0.40  tff(100,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(101,plain,
% 0.19/0.40      (((in(V!1, empty) | ($sum(1, $product(-1, V!1)) = 0)) <=> in(V!1, add(1, empty))) <=> ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(102,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | ($sum(1, $product(-1, V!1)) = 0)) <=> in(V!1, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[101])).
% 0.19/0.40  tff(103,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | ($sum(1, $product(-1, V!1)) = 0)) <=> in(V!1, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[102, 100])).
% 0.19/0.40  tff(104,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | ($sum(1, $product(-1, V!1)) = 0)) <=> in(V!1, add(1, empty)))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(105,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[104, 103])).
% 0.19/0.40  tff(106,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[105, 17, 99])).
% 0.19/0.40  tff(107,plain,((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(108,plain,
% 0.19/0.40      ((~((in(V!1, empty) | (V!1 = 1)) <=> in(V!1, add(1, empty)))) | (in(V!1, empty) | (V!1 = 1)) | (~in(V!1, add(1, empty)))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(109,plain,
% 0.19/0.40      ((in(V!1, empty) | (V!1 = 1)) | (~in(V!1, add(1, empty)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[108, 107])).
% 0.19/0.40  tff(110,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[109, 98, 60])).
% 0.19/0.40  tff(111,plain,($lesseq(V!1, 5)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(112,assumption,($lesseq(W!0, 3)), introduced(assumption)).
% 0.19/0.40  tff(113,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[112, 111, 41])).
% 0.19/0.40  tff(114,plain,(~$lesseq(W!0, 3)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(115,plain,
% 0.19/0.40      ((~(W!0 = 3)) | $lesseq(W!0, 3)),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.40  tff(116,plain,
% 0.19/0.40      (~(W!0 = 3)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[115, 114])).
% 0.19/0.40  tff(117,assumption,(~((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))), introduced(assumption)).
% 0.19/0.40  tff(118,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(119,plain,
% 0.19/0.40      (((in(W!0, empty) | ($sum(1, $product(-1, W!0)) = 0)) <=> in(W!0, add(1, empty))) <=> ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(120,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | ($sum(1, $product(-1, W!0)) = 0)) <=> in(W!0, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[119])).
% 0.19/0.40  tff(121,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | ($sum(1, $product(-1, W!0)) = 0)) <=> in(W!0, add(1, empty)))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[120, 118])).
% 0.19/0.40  tff(122,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | ($sum(1, $product(-1, W!0)) = 0)) <=> in(W!0, add(1, empty)))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(123,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[122, 121])).
% 0.19/0.40  tff(124,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[123, 17, 117])).
% 0.19/0.40  tff(125,plain,((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty))), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(126,plain,
% 0.19/0.40      ((~$lesseq(W!0, 1)) | $lesseq(W!0, 3)),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.40  tff(127,plain,
% 0.19/0.40      (~$lesseq(W!0, 1)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[126, 114])).
% 0.19/0.40  tff(128,plain,
% 0.19/0.40      ((~(W!0 = 1)) | $lesseq(W!0, 1)),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.40  tff(129,plain,
% 0.19/0.40      (~(W!0 = 1)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[128, 127])).
% 0.19/0.40  tff(130,assumption,(in(W!0, empty)), introduced(assumption)).
% 0.19/0.40  tff(131,plain,
% 0.19/0.40      ((~![U: $int] : (~in(U, empty))) | (~in(W!0, empty))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(132,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[131, 54, 130])).
% 0.19/0.40  tff(133,plain,(~in(W!0, empty)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.40  tff(134,plain,
% 0.19/0.40      ((~(in(W!0, empty) | (W!0 = 1))) | in(W!0, empty) | (W!0 = 1)),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(135,plain,
% 0.19/0.40      (~(in(W!0, empty) | (W!0 = 1))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[134, 133, 129])).
% 0.19/0.40  tff(136,plain,
% 0.19/0.40      ((~((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))) | (in(W!0, empty) | (W!0 = 1)) | (~in(W!0, add(1, empty)))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(137,plain,
% 0.19/0.40      ((~((in(W!0, empty) | (W!0 = 1)) <=> in(W!0, add(1, empty)))) | (~in(W!0, add(1, empty)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[136, 135])).
% 0.19/0.40  tff(138,plain,
% 0.19/0.40      (~in(W!0, add(1, empty))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[137, 125])).
% 0.19/0.40  tff(139,plain,
% 0.19/0.40      ((~(in(W!0, add(1, empty)) | (W!0 = 3))) | in(W!0, add(1, empty)) | (W!0 = 3)),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(140,plain,
% 0.19/0.40      (~(in(W!0, add(1, empty)) | (W!0 = 3))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[139, 138, 116])).
% 0.19/0.40  tff(141,plain,
% 0.19/0.40      ((~((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))) | (in(W!0, add(1, empty)) | (W!0 = 3)) | (~in(W!0, add(3, add(1, empty))))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(142,plain,
% 0.19/0.40      ((~((in(W!0, add(1, empty)) | (W!0 = 3)) <=> in(W!0, add(3, add(1, empty))))) | (~in(W!0, add(3, add(1, empty))))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[141, 140])).
% 0.19/0.40  tff(143,plain,
% 0.19/0.40      (~in(W!0, add(3, add(1, empty)))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[142, 25])).
% 0.19/0.40  tff(144,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty))))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(145,plain,
% 0.19/0.40      (((in(W!0, add(3, add(1, empty))) | ($sum(5, $product(-1, W!0)) = 0)) <=> in(W!0, add(5, add(3, add(1, empty))))) <=> ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty)))))),
% 0.19/0.40      inference(rewrite,[status(thm)],[])).
% 0.19/0.40  tff(146,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | ($sum(5, $product(-1, W!0)) = 0)) <=> in(W!0, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty))))))),
% 0.19/0.40      inference(monotonicity,[status(thm)],[145])).
% 0.19/0.40  tff(147,plain,
% 0.19/0.40      (((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | ($sum(5, $product(-1, W!0)) = 0)) <=> in(W!0, add(5, add(3, add(1, empty)))))) <=> ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty))))))),
% 0.19/0.40      inference(transitivity,[status(thm)],[146, 144])).
% 0.19/0.40  tff(148,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | ($sum(5, $product(-1, W!0)) = 0)) <=> in(W!0, add(5, add(3, add(1, empty)))))),
% 0.19/0.40      inference(quant_inst,[status(thm)],[])).
% 0.19/0.40  tff(149,plain,
% 0.19/0.40      ((~![Z: $int, X1: collection, X2: $int] : ((in(Z, X1) | ($sum(X2, $product(-1, Z)) = 0)) <=> in(Z, add(X2, X1)))) | ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty)))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[148, 147])).
% 0.19/0.40  tff(150,plain,
% 0.19/0.40      ((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty))))),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[149, 17])).
% 0.19/0.40  tff(151,plain,
% 0.19/0.40      (in(W!0, add(5, add(3, add(1, empty)))) <=> in(W!0, U!2)),
% 0.19/0.40      inference(monotonicity,[status(thm)],[81])).
% 0.19/0.40  tff(152,plain,
% 0.19/0.40      (in(W!0, U!2) <=> in(W!0, add(5, add(3, add(1, empty))))),
% 0.19/0.40      inference(symmetry,[status(thm)],[151])).
% 0.19/0.40  tff(153,plain,
% 0.19/0.40      (in(W!0, U!2)),
% 0.19/0.40      inference(and_elim,[status(thm)],[79])).
% 0.19/0.40  tff(154,plain,
% 0.19/0.40      (in(W!0, add(5, add(3, add(1, empty))))),
% 0.19/0.40      inference(modus_ponens,[status(thm)],[153, 152])).
% 0.19/0.40  tff(155,plain,
% 0.19/0.40      ((~((in(W!0, add(3, add(1, empty))) | (W!0 = 5)) <=> in(W!0, add(5, add(3, add(1, empty)))))) | (in(W!0, add(3, add(1, empty))) | (W!0 = 5)) | (~in(W!0, add(5, add(3, add(1, empty)))))),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(156,plain,
% 0.19/0.40      (in(W!0, add(3, add(1, empty))) | (W!0 = 5)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[155, 154, 150])).
% 0.19/0.40  tff(157,plain,
% 0.19/0.40      ((~(in(W!0, add(3, add(1, empty))) | (W!0 = 5))) | in(W!0, add(3, add(1, empty))) | (W!0 = 5)),
% 0.19/0.40      inference(tautology,[status(thm)],[])).
% 0.19/0.40  tff(158,plain,
% 0.19/0.40      (in(W!0, add(3, add(1, empty))) | (W!0 = 5)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[157, 156])).
% 0.19/0.40  tff(159,plain,
% 0.19/0.40      (W!0 = 5),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[158, 143])).
% 0.19/0.40  tff(160,plain,
% 0.19/0.40      ((~(W!0 = 5)) | $lesseq(W!0, 5)),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.40  tff(161,plain,
% 0.19/0.40      ($lesseq(W!0, 5)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[160, 159])).
% 0.19/0.40  tff(162,plain,
% 0.19/0.40      ((~(W!0 = 5)) | $greatereq(W!0, 5)),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.40  tff(163,plain,
% 0.19/0.40      ($greatereq(W!0, 5)),
% 0.19/0.40      inference(unit_resolution,[status(thm)],[162, 159])).
% 0.19/0.40  tff(164,assumption,(~$greatereq($sum(W!0, $product(-1, V!1)), 0)), introduced(assumption)).
% 0.19/0.40  tff(165,assumption,($greatereq(W!0, 5)), introduced(assumption)).
% 0.19/0.40  tff(166,assumption,($lesseq(V!1, 5)), introduced(assumption)).
% 0.19/0.40  tff(167,plain,
% 0.19/0.40      ($false),
% 0.19/0.40      inference(theory_lemma,[status(thm)],[166, 165, 164])).
% 0.19/0.40  tff(168,plain,((~$greatereq(W!0, 5)) | (~$lesseq(V!1, 5)) | $greatereq($sum(W!0, $product(-1, V!1)), 0)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.41  tff(169,plain,
% 0.19/0.41      ((~$greatereq(W!0, 5)) | $greatereq($sum(W!0, $product(-1, V!1)), 0)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[168, 111])).
% 0.19/0.41  tff(170,plain,
% 0.19/0.41      ($greatereq($sum(W!0, $product(-1, V!1)), 0)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[169, 163])).
% 0.19/0.41  tff(171,plain,
% 0.19/0.41      (~($sum(W!0, $product(-1, V!1)) = 0)),
% 0.19/0.41      inference(and_elim,[status(thm)],[79])).
% 0.19/0.41  tff(172,plain,
% 0.19/0.41      (($sum(W!0, $product(-1, V!1)) = 0) | (~$lesseq($sum(W!0, $product(-1, V!1)), 0)) | (~$greatereq($sum(W!0, $product(-1, V!1)), 0))),
% 0.19/0.41      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.41  tff(173,plain,
% 0.19/0.41      ((~$lesseq($sum(W!0, $product(-1, V!1)), 0)) | (~$greatereq($sum(W!0, $product(-1, V!1)), 0))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[172, 171])).
% 0.19/0.41  tff(174,plain,
% 0.19/0.41      (~$lesseq($sum(W!0, $product(-1, V!1)), 0)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[173, 170])).
% 0.19/0.41  tff(175,plain,
% 0.19/0.41      ((~$greatereq(V!1, 5)) | $lesseq($sum(W!0, $product(-1, V!1)), 0) | (~$lesseq(W!0, 5))),
% 0.19/0.41      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.41  tff(176,plain,
% 0.19/0.41      (~$greatereq(V!1, 5)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[175, 174, 161])).
% 0.19/0.41  tff(177,plain,
% 0.19/0.41      ((~(V!1 = 5)) | $greatereq(V!1, 5)),
% 0.19/0.41      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.41  tff(178,plain,
% 0.19/0.41      (~(V!1 = 5)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[177, 176])).
% 0.19/0.41  tff(179,plain,
% 0.19/0.41      (in(V!1, add(3, add(1, empty)))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[89, 178])).
% 0.19/0.41  tff(180,plain,
% 0.19/0.41      ((in(V!1, add(1, empty)) | (V!1 = 3)) | (~in(V!1, add(3, add(1, empty))))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[91, 69])).
% 0.19/0.41  tff(181,plain,
% 0.19/0.41      (in(V!1, add(1, empty)) | (V!1 = 3)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[180, 179])).
% 0.19/0.41  tff(182,assumption,($lesseq(V!1, 3)), introduced(assumption)).
% 0.19/0.41  tff(183,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(theory_lemma,[status(thm)],[161, 182, 41])).
% 0.19/0.41  tff(184,plain,(~$lesseq(V!1, 3)), inference(lemma,lemma(discharge,[]))).
% 0.19/0.41  tff(185,plain,
% 0.19/0.41      (~(V!1 = 3)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[95, 184])).
% 0.19/0.41  tff(186,plain,
% 0.19/0.41      (in(V!1, add(1, empty))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[97, 185, 181])).
% 0.19/0.41  tff(187,plain,
% 0.19/0.41      ($lesseq(V!1, 3) | (~$lesseq(V!1, 1))),
% 0.19/0.41      inference(theory_lemma,[status(thm)],[])).
% 0.19/0.41  tff(188,plain,
% 0.19/0.41      (~$lesseq(V!1, 1)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[187, 184])).
% 0.19/0.41  tff(189,plain,
% 0.19/0.41      (~(V!1 = 1)),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[45, 188])).
% 0.19/0.41  tff(190,plain,
% 0.19/0.41      (~(in(V!1, empty) | (V!1 = 1))),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[59, 189])).
% 0.19/0.41  tff(191,plain,
% 0.19/0.41      ($false),
% 0.19/0.41      inference(unit_resolution,[status(thm)],[109, 190, 186])).
% 0.19/0.41  % SZS output end Proof
%------------------------------------------------------------------------------