TSTP Solution File: ARI617_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : ARI617_1 : TPTP v8.1.0. Released v5.1.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n025.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 : Tue Sep  6 17:02:18 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
% 0.04/0.12  % Problem  : ARI617_1 : TPTP v8.1.0. Released v5.1.0.
% 0.04/0.13  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34  % Computer : n025.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 : Tue Aug 30 01:03:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.35  Usage: tptp [options] [-file:]file
% 0.13/0.35    -h, -?       prints this message.
% 0.13/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.13/0.35    -m, -model   generate model.
% 0.13/0.35    -p, -proof   generate proof.
% 0.13/0.35    -c, -core    generate unsat core of named formulas.
% 0.13/0.35    -st, -statistics display statistics.
% 0.13/0.35    -t:timeout   set timeout (in second).
% 0.13/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.13/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.35    -<param>:<value> configuration parameter and value.
% 0.13/0.35    -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(g_type, type, (
% 0.20/0.39     g: $int > $int)).
% 0.20/0.39  tff(tptp_fun_X_0_type, type, (
% 0.20/0.39     tptp_fun_X_0: $int)).
% 0.20/0.39  tff(f_type, type, (
% 0.20/0.39     f: $int > $int)).
% 0.20/0.39  tff(1,assumption,(~$greatereq($sum(g(X!0), $product(-1, f(X!0))), 0)), introduced(assumption)).
% 0.20/0.39  tff(2,assumption,($sum(X!0, $product(-1, g(X!0))) = 0), introduced(assumption)).
% 0.20/0.39  tff(3,plain,
% 0.20/0.39      ((~($sum(X!0, $product(-1, g(X!0))) = 0)) | $lesseq($sum(X!0, $product(-1, g(X!0))), 0)),
% 0.20/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.39  tff(4,plain,
% 0.20/0.39      ($lesseq($sum(X!0, $product(-1, g(X!0))), 0)),
% 0.20/0.39      inference(unit_resolution,[status(thm)],[3, 2])).
% 0.20/0.39  tff(5,plain,
% 0.20/0.39      ((~($sum(X!0, $product(-1, g(X!0))) = 0)) | $greatereq($sum(X!0, $product(-1, g(X!0))), 0)),
% 0.20/0.39      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.39  tff(6,plain,
% 0.20/0.39      ($greatereq($sum(X!0, $product(-1, g(X!0))), 0)),
% 0.20/0.39      inference(unit_resolution,[status(thm)],[5, 2])).
% 0.20/0.39  tff(7,assumption,($greatereq($sum(X!0, $product(-1, g(X!0))), 0)), introduced(assumption)).
% 0.20/0.39  tff(8,assumption,($lesseq($sum(X!0, f(X!0)), 0)), introduced(assumption)).
% 0.20/0.39  tff(9,plain,
% 0.20/0.39      (^[X: $int] : refl((~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))))) <=> (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(10,plain,
% 0.20/0.39      (![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))))) <=> ![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[9])).
% 0.20/0.39  tff(11,plain,
% 0.20/0.39      (^[X: $int] : rewrite(($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))) <=> (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(12,plain,
% 0.20/0.39      (![X: $int] : ($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))) <=> ![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[11])).
% 0.20/0.39  tff(13,plain,
% 0.20/0.39      (^[X: $int] : rewrite(($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X)))) <=> ($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0))))),
% 0.20/0.39      inference(bind,[status(th)],[])).
% 0.20/0.39  tff(14,plain,
% 0.20/0.39      (![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X)))) <=> ![X: $int] : ($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))),
% 0.20/0.39      inference(quant_intro,[status(thm)],[13])).
% 0.20/0.39  tff(15,plain,
% 0.20/0.39      (![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X)))) <=> ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X))))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(16,plain,
% 0.20/0.39      ((~((![X: $int] : (($lesseq(X, f(X)) & $lesseq($uminus(X), f(X))) & ($lesseq(f(X), X) | $lesseq(f(X), $uminus(X)))) & ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $uminus(X))))) => ![X: $int] : (f(X) = g(X)))) <=> (~((~(![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) & ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X)))))) | ![X: $int] : (f(X) = g(X))))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(17,axiom,(~((![X: $int] : (($lesseq(X, f(X)) & $lesseq($uminus(X), f(X))) & ($lesseq(f(X), X) | $lesseq(f(X), $uminus(X)))) & ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $uminus(X))))) => ![X: $int] : (f(X) = g(X)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','absolute_value_defs')).
% 0.20/0.39  tff(18,plain,
% 0.20/0.39      (~((~(![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) & ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X)))))) | ![X: $int] : (f(X) = g(X)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[17, 16])).
% 0.20/0.39  tff(19,plain,
% 0.20/0.39      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) & ![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X))))),
% 0.20/0.39      inference(or_elim,[status(thm)],[18])).
% 0.20/0.39  tff(20,plain,
% 0.20/0.39      (![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X))))),
% 0.20/0.39      inference(and_elim,[status(thm)],[19])).
% 0.20/0.39  tff(21,plain,
% 0.20/0.39      (![X: $int] : ($lesseq(0, g(X)) & ((g(X) = X) | (g(X) = $product(-1, X))))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[20, 15])).
% 0.20/0.39  tff(22,plain,
% 0.20/0.39      (![X: $int] : ($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[21, 14])).
% 0.20/0.39  tff(23,plain,(
% 0.20/0.39      ![X: $int] : ($greatereq(g(X), 0) & (($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))),
% 0.20/0.39      inference(skolemize,[status(sab)],[22])).
% 0.20/0.39  tff(24,plain,
% 0.20/0.39      (![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[23, 12])).
% 0.20/0.39  tff(25,plain,
% 0.20/0.39      (![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[24, 10])).
% 0.20/0.39  tff(26,plain,
% 0.20/0.39      (((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)))))) <=> ((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))))))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(27,plain,
% 0.20/0.39      ((~((~$greatereq(g(X!0), 0)) | (~(($sum(g(X!0), $product(-1, X!0)) = 0) | ($sum(g(X!0), X!0) = 0))))) <=> (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)))))),
% 0.20/0.39      inference(rewrite,[status(thm)],[])).
% 0.20/0.39  tff(28,plain,
% 0.20/0.39      (((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(g(X!0), $product(-1, X!0)) = 0) | ($sum(g(X!0), X!0) = 0)))))) <=> ((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))))))),
% 0.20/0.39      inference(monotonicity,[status(thm)],[27])).
% 0.20/0.39  tff(29,plain,
% 0.20/0.39      (((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(g(X!0), $product(-1, X!0)) = 0) | ($sum(g(X!0), X!0) = 0)))))) <=> ((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))))))),
% 0.20/0.39      inference(transitivity,[status(thm)],[28, 26])).
% 0.20/0.39  tff(30,plain,
% 0.20/0.39      ((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(g(X!0), $product(-1, X!0)) = 0) | ($sum(g(X!0), X!0) = 0)))))),
% 0.20/0.39      inference(quant_inst,[status(thm)],[])).
% 0.20/0.39  tff(31,plain,
% 0.20/0.39      ((~![X: $int] : (~((~$greatereq(g(X), 0)) | (~(($sum(g(X), $product(-1, X)) = 0) | ($sum(g(X), X) = 0)))))) | (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)))))),
% 0.20/0.39      inference(modus_ponens,[status(thm)],[30, 29])).
% 0.20/0.39  tff(32,plain,
% 0.20/0.39      (~((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))))),
% 0.20/0.39      inference(unit_resolution,[status(thm)],[31, 25])).
% 0.20/0.39  tff(33,plain,
% 0.20/0.39      (((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)))) | $greatereq(g(X!0), 0)),
% 0.20/0.39      inference(tautology,[status(thm)],[])).
% 0.20/0.39  tff(34,plain,
% 0.20/0.39      ($greatereq(g(X!0), 0)),
% 0.20/0.39      inference(unit_resolution,[status(thm)],[33, 32])).
% 0.20/0.39  tff(35,plain,
% 0.20/0.39      ($false),
% 0.20/0.39      inference(theory_lemma,[status(thm)],[34, 8, 1, 7])).
% 0.20/0.39  tff(36,plain,((~$lesseq($sum(X!0, f(X!0)), 0)) | $greatereq($sum(g(X!0), $product(-1, f(X!0))), 0) | (~$greatereq($sum(X!0, $product(-1, g(X!0))), 0))), inference(lemma,lemma(discharge,[]))).
% 0.20/0.40  tff(37,plain,
% 0.20/0.40      (~$lesseq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[36, 6, 1])).
% 0.20/0.40  tff(38,plain,
% 0.20/0.40      (^[X: $int] : refl((~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))))) <=> (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(39,plain,
% 0.20/0.40      (![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))))) <=> ![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[38])).
% 0.20/0.40  tff(40,plain,
% 0.20/0.40      (^[X: $int] : trans(monotonicity(rewrite(($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)) <=> ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))), (($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))) <=> ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))))), rewrite(($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))) <=> (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))), (($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))) <=> (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(41,plain,
% 0.20/0.40      (![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))) <=> ![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[40])).
% 0.20/0.40  tff(42,plain,
% 0.20/0.40      (^[X: $int] : rewrite(($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($lesseq($sum(f(X), $product(-1, X)), 0) | $lesseq($sum(f(X), X), 0))) <=> ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(43,plain,
% 0.20/0.40      (![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($lesseq($sum(f(X), $product(-1, X)), 0) | $lesseq($sum(f(X), X), 0))) <=> ![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[42])).
% 0.20/0.40  tff(44,plain,
% 0.20/0.40      (^[X: $int] : rewrite(($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) <=> ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($lesseq($sum(f(X), $product(-1, X)), 0) | $lesseq($sum(f(X), X), 0))))),
% 0.20/0.40      inference(bind,[status(th)],[])).
% 0.20/0.40  tff(45,plain,
% 0.20/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) <=> ![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($lesseq($sum(f(X), $product(-1, X)), 0) | $lesseq($sum(f(X), X), 0)))),
% 0.20/0.40      inference(quant_intro,[status(thm)],[44])).
% 0.20/0.40  tff(46,plain,
% 0.20/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X)))) <=> ![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(47,plain,
% 0.20/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.20/0.40      inference(and_elim,[status(thm)],[19])).
% 0.20/0.40  tff(48,plain,
% 0.20/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[47, 46])).
% 0.20/0.40  tff(49,plain,
% 0.20/0.40      (![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($lesseq($sum(f(X), $product(-1, X)), 0) | $lesseq($sum(f(X), X), 0)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[48, 45])).
% 0.20/0.40  tff(50,plain,
% 0.20/0.40      (![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[49, 43])).
% 0.20/0.40  tff(51,plain,(
% 0.20/0.40      ![X: $int] : ($lesseq($sum(X, $product(-1, f(X))), 0) & $greatereq($sum(X, f(X)), 0) & ($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))),
% 0.20/0.40      inference(skolemize,[status(sab)],[50])).
% 0.20/0.40  tff(52,plain,
% 0.20/0.40      (![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[51, 41])).
% 0.20/0.40  tff(53,plain,
% 0.20/0.40      (![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[52, 39])).
% 0.20/0.40  tff(54,plain,
% 0.20/0.40      ((~![X: $int] : (~((~$lesseq($sum(X, $product(-1, f(X))), 0)) | (~$greatereq($sum(X, f(X)), 0)) | (~($greatereq($sum(X, $product(-1, f(X))), 0) | $lesseq($sum(X, f(X)), 0)))))) | (~((~$lesseq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$greatereq($sum(X!0, f(X!0)), 0)) | (~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)))))),
% 0.20/0.40      inference(quant_inst,[status(thm)],[])).
% 0.20/0.40  tff(55,plain,
% 0.20/0.40      (~((~$lesseq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$greatereq($sum(X!0, f(X!0)), 0)) | (~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0))))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[54, 53])).
% 0.20/0.40  tff(56,plain,
% 0.20/0.40      (((~$lesseq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$greatereq($sum(X!0, f(X!0)), 0)) | (~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)))) | ($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0))),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(57,plain,
% 0.20/0.40      ($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[56, 55])).
% 0.20/0.40  tff(58,plain,
% 0.20/0.40      ((~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0))) | $greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(59,plain,
% 0.20/0.40      ($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[58, 57])).
% 0.20/0.40  tff(60,plain,
% 0.20/0.40      ($greatereq($sum(X!0, $product(-1, f(X!0))), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[59, 37])).
% 0.20/0.40  tff(61,plain,
% 0.20/0.40      ($false),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[1, 60, 4])).
% 0.20/0.40  tff(62,plain,((~($sum(X!0, $product(-1, g(X!0))) = 0)) | $greatereq($sum(g(X!0), $product(-1, f(X!0))), 0)), inference(lemma,lemma(discharge,[]))).
% 0.20/0.40  tff(63,plain,
% 0.20/0.40      (~($sum(X!0, $product(-1, g(X!0))) = 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[62, 1])).
% 0.20/0.40  tff(64,plain,
% 0.20/0.40      (((~$greatereq(g(X!0), 0)) | (~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)))) | (($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(65,plain,
% 0.20/0.40      (($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[64, 32])).
% 0.20/0.40  tff(66,plain,
% 0.20/0.40      ((~(($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0))) | ($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(67,plain,
% 0.20/0.40      (($sum(X!0, $product(-1, g(X!0))) = 0) | ($sum(X!0, g(X!0)) = 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[66, 65])).
% 0.20/0.40  tff(68,plain,
% 0.20/0.40      ($sum(X!0, g(X!0)) = 0),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[67, 63])).
% 0.20/0.40  tff(69,plain,
% 0.20/0.40      ((~($sum(X!0, g(X!0)) = 0)) | $greatereq($sum(X!0, g(X!0)), 0)),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(70,plain,
% 0.20/0.40      ($greatereq($sum(X!0, g(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[69, 68])).
% 0.20/0.40  tff(71,plain,
% 0.20/0.40      ((~($sum(X!0, g(X!0)) = 0)) | $lesseq($sum(X!0, g(X!0)), 0)),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(72,plain,
% 0.20/0.40      ($lesseq($sum(X!0, g(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[71, 68])).
% 0.20/0.40  tff(73,plain,
% 0.20/0.40      ((~$greatereq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$lesseq($sum(X!0, g(X!0)), 0)) | $greatereq($sum(g(X!0), $product(-1, f(X!0))), 0) | (~$greatereq(g(X!0), 0))),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(74,plain,
% 0.20/0.40      (~$greatereq($sum(X!0, $product(-1, f(X!0))), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[73, 1, 34, 72])).
% 0.20/0.40  tff(75,plain,
% 0.20/0.40      ($lesseq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[59, 74])).
% 0.20/0.40  tff(76,plain,
% 0.20/0.40      ($false),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[1, 75, 70])).
% 0.20/0.40  tff(77,plain,($greatereq($sum(g(X!0), $product(-1, f(X!0))), 0)), inference(lemma,lemma(discharge,[]))).
% 0.20/0.40  tff(78,plain,
% 0.20/0.40      ((~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0)) <=> (~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(79,plain,
% 0.20/0.40      ((~![X: $int] : ($sum(f(X), $product(-1, g(X))) = 0)) <=> (~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(80,plain,
% 0.20/0.40      ((~![X: $int] : (f(X) = g(X))) <=> (~![X: $int] : ($sum(f(X), $product(-1, g(X))) = 0))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(81,plain,
% 0.20/0.40      ((~![X: $int] : (f(X) = g(X))) <=> (~![X: $int] : (f(X) = g(X)))),
% 0.20/0.40      inference(rewrite,[status(thm)],[])).
% 0.20/0.40  tff(82,plain,
% 0.20/0.40      (~![X: $int] : (f(X) = g(X))),
% 0.20/0.40      inference(or_elim,[status(thm)],[18])).
% 0.20/0.40  tff(83,plain,
% 0.20/0.40      (~![X: $int] : (f(X) = g(X))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[82, 81])).
% 0.20/0.40  tff(84,plain,
% 0.20/0.40      (~![X: $int] : (f(X) = g(X))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[83, 81])).
% 0.20/0.40  tff(85,plain,
% 0.20/0.40      (~![X: $int] : (f(X) = g(X))),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[84, 81])).
% 0.20/0.40  tff(86,plain,
% 0.20/0.40      (~![X: $int] : ($sum(f(X), $product(-1, g(X))) = 0)),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[85, 80])).
% 0.20/0.40  tff(87,plain,
% 0.20/0.40      (~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0)),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[86, 79])).
% 0.20/0.40  tff(88,plain,
% 0.20/0.40      (~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0)),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[87, 78])).
% 0.20/0.40  tff(89,plain,
% 0.20/0.40      (~![X: $int] : ($sum(g(X), $product(-1, f(X))) = 0)),
% 0.20/0.40      inference(modus_ponens,[status(thm)],[88, 78])).
% 0.20/0.40  tff(90,plain,(
% 0.20/0.40      ~($sum(g(X!0), $product(-1, f(X!0))) = 0)),
% 0.20/0.40      inference(skolemize,[status(sab)],[89])).
% 0.20/0.40  tff(91,plain,
% 0.20/0.40      (($sum(g(X!0), $product(-1, f(X!0))) = 0) | (~$lesseq($sum(g(X!0), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(g(X!0), $product(-1, f(X!0))), 0))),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(92,plain,
% 0.20/0.40      ((~$lesseq($sum(g(X!0), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(g(X!0), $product(-1, f(X!0))), 0))),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[91, 90])).
% 0.20/0.40  tff(93,plain,
% 0.20/0.40      (~$lesseq($sum(g(X!0), $product(-1, f(X!0))), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[92, 77])).
% 0.20/0.40  tff(94,plain,
% 0.20/0.40      (((~$lesseq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$greatereq($sum(X!0, f(X!0)), 0)) | (~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)))) | $lesseq($sum(X!0, $product(-1, f(X!0))), 0)),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(95,plain,
% 0.20/0.40      ($lesseq($sum(X!0, $product(-1, f(X!0))), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[94, 55])).
% 0.20/0.40  tff(96,plain,
% 0.20/0.40      ((~$greatereq($sum(X!0, $product(-1, g(X!0))), 0)) | $lesseq($sum(g(X!0), $product(-1, f(X!0))), 0) | (~$lesseq($sum(X!0, $product(-1, f(X!0))), 0))),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(97,plain,
% 0.20/0.40      (~$greatereq($sum(X!0, $product(-1, g(X!0))), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[96, 95, 93])).
% 0.20/0.40  tff(98,plain,
% 0.20/0.40      (~($sum(X!0, $product(-1, g(X!0))) = 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[5, 97])).
% 0.20/0.40  tff(99,plain,
% 0.20/0.40      (((~$lesseq($sum(X!0, $product(-1, f(X!0))), 0)) | (~$greatereq($sum(X!0, f(X!0)), 0)) | (~($greatereq($sum(X!0, $product(-1, f(X!0))), 0) | $lesseq($sum(X!0, f(X!0)), 0)))) | $greatereq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(tautology,[status(thm)],[])).
% 0.20/0.40  tff(100,plain,
% 0.20/0.40      ($greatereq($sum(X!0, f(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[99, 55])).
% 0.20/0.40  tff(101,plain,
% 0.20/0.40      ((~$lesseq($sum(X!0, g(X!0)), 0)) | $lesseq($sum(g(X!0), $product(-1, f(X!0))), 0) | (~$greatereq($sum(X!0, f(X!0)), 0))),
% 0.20/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.20/0.40  tff(102,plain,
% 0.20/0.40      (~$lesseq($sum(X!0, g(X!0)), 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[101, 100, 93])).
% 0.20/0.40  tff(103,plain,
% 0.20/0.40      (~($sum(X!0, g(X!0)) = 0)),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[71, 102])).
% 0.20/0.40  tff(104,plain,
% 0.20/0.40      ($false),
% 0.20/0.40      inference(unit_resolution,[status(thm)],[67, 103, 98])).
% 0.20/0.40  % SZS output end Proof
%------------------------------------------------------------------------------