TSTP Solution File: ARI618_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : ARI618_1 : TPTP v8.1.0. Released v5.1.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n015.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 0.22s 0.39s
% Output   : Proof 0.22s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : ARI618_1 : TPTP v8.1.0. Released v5.1.0.
% 0.07/0.14  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.14/0.35  % Computer : n015.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Tue Aug 30 01:05:20 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.14/0.35  Usage: tptp [options] [-file:]file
% 0.14/0.35    -h, -?       prints this message.
% 0.14/0.35    -smt2        print SMT-LIB2 benchmark.
% 0.14/0.35    -m, -model   generate model.
% 0.14/0.35    -p, -proof   generate proof.
% 0.14/0.35    -c, -core    generate unsat core of named formulas.
% 0.14/0.35    -st, -statistics display statistics.
% 0.14/0.35    -t:timeout   set timeout (in second).
% 0.14/0.35    -smt2status  display status in smt2 format instead of SZS.
% 0.14/0.35    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.14/0.35    -<param>:<value> configuration parameter and value.
% 0.14/0.35    -o:<output-file> file to place output in.
% 0.22/0.39  % SZS status Theorem
% 0.22/0.39  % SZS output start Proof
% 0.22/0.39  tff(f_type, type, (
% 0.22/0.39     f: $int > $int)).
% 0.22/0.39  tff(tptp_fun_X_0_type, type, (
% 0.22/0.39     tptp_fun_X_0: $int)).
% 0.22/0.39  tff(1,plain,
% 0.22/0.39      (^[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))))))),
% 0.22/0.39      inference(bind,[status(th)],[])).
% 0.22/0.39  tff(2,plain,
% 0.22/0.39      (![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)))))),
% 0.22/0.39      inference(quant_intro,[status(thm)],[1])).
% 0.22/0.39  tff(3,plain,
% 0.22/0.39      (^[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)))))))),
% 0.22/0.39      inference(bind,[status(th)],[])).
% 0.22/0.39  tff(4,plain,
% 0.22/0.39      (![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)))))),
% 0.22/0.39      inference(quant_intro,[status(thm)],[3])).
% 0.22/0.39  tff(5,plain,
% 0.22/0.39      (^[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))))),
% 0.22/0.39      inference(bind,[status(th)],[])).
% 0.22/0.39  tff(6,plain,
% 0.22/0.39      (![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)))),
% 0.22/0.39      inference(quant_intro,[status(thm)],[5])).
% 0.22/0.39  tff(7,plain,
% 0.22/0.39      (^[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))))),
% 0.22/0.39      inference(bind,[status(th)],[])).
% 0.22/0.39  tff(8,plain,
% 0.22/0.39      (![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($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)))),
% 0.22/0.39      inference(quant_intro,[status(thm)],[7])).
% 0.22/0.39  tff(9,plain,
% 0.22/0.39      (![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(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(10,plain,
% 0.22/0.40      ((~(![X: $int] : (($lesseq(X, f(X)) & $lesseq($uminus(X), f(X))) & ($lesseq(f(X), X) | $lesseq(f(X), $uminus(X)))) => ![X: $int] : (f(f(X)) = f(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] : (f(f(X)) = f(X))))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(11,axiom,(~(![X: $int] : (($lesseq(X, f(X)) & $lesseq($uminus(X), f(X))) & ($lesseq(f(X), X) | $lesseq(f(X), $uminus(X)))) => ![X: $int] : (f(f(X)) = f(X)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','absolute_value_idempotent')).
% 0.22/0.40  tff(12,plain,
% 0.22/0.40      (~((~![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))) | ![X: $int] : (f(f(X)) = f(X)))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[11, 10])).
% 0.22/0.40  tff(13,plain,
% 0.22/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.22/0.40      inference(or_elim,[status(thm)],[12])).
% 0.22/0.40  tff(14,plain,
% 0.22/0.40      (![X: $int] : ($lesseq(X, f(X)) & $lesseq($product(-1, X), f(X)) & ($lesseq(f(X), X) | $lesseq(f(X), $product(-1, X))))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[13, 9])).
% 0.22/0.40  tff(15,plain,
% 0.22/0.40      (![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)))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[14, 8])).
% 0.22/0.40  tff(16,plain,
% 0.22/0.40      (![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)))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[15, 6])).
% 0.22/0.40  tff(17,plain,(
% 0.22/0.40      ![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)))),
% 0.22/0.40      inference(skolemize,[status(sab)],[16])).
% 0.22/0.40  tff(18,plain,
% 0.22/0.40      (![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)))))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[17, 4])).
% 0.22/0.40  tff(19,plain,
% 0.22/0.40      (![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)))))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[18, 2])).
% 0.22/0.40  tff(20,plain,
% 0.22/0.40      ((~![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)))))),
% 0.22/0.40      inference(quant_inst,[status(thm)],[])).
% 0.22/0.40  tff(21,plain,
% 0.22/0.40      (~((~$lesseq($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))))),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[20, 19])).
% 0.22/0.40  tff(22,plain,
% 0.22/0.40      (((~$lesseq($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)),
% 0.22/0.40      inference(tautology,[status(thm)],[])).
% 0.22/0.40  tff(23,plain,
% 0.22/0.40      ($greatereq($sum(X!0, f(X!0)), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[22, 21])).
% 0.22/0.40  tff(24,plain,
% 0.22/0.40      (((~$lesseq($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, $product(-1, f(X!0))), 0)),
% 0.22/0.40      inference(tautology,[status(thm)],[])).
% 0.22/0.40  tff(25,plain,
% 0.22/0.40      ($lesseq($sum(X!0, $product(-1, f(X!0))), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[24, 21])).
% 0.22/0.40  tff(26,plain,
% 0.22/0.40      ((~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0)) <=> (~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(27,plain,
% 0.22/0.40      ((~![X: $int] : (f(f(X)) = f(X))) <=> (~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(28,plain,
% 0.22/0.40      ((~![X: $int] : (f(f(X)) = f(X))) <=> (~![X: $int] : (f(f(X)) = f(X)))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(29,plain,
% 0.22/0.40      (~![X: $int] : (f(f(X)) = f(X))),
% 0.22/0.40      inference(or_elim,[status(thm)],[12])).
% 0.22/0.40  tff(30,plain,
% 0.22/0.40      (~![X: $int] : (f(f(X)) = f(X))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[29, 28])).
% 0.22/0.40  tff(31,plain,
% 0.22/0.40      (~![X: $int] : (f(f(X)) = f(X))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[30, 28])).
% 0.22/0.40  tff(32,plain,
% 0.22/0.40      (~![X: $int] : (f(f(X)) = f(X))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[31, 28])).
% 0.22/0.40  tff(33,plain,
% 0.22/0.40      (~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0)),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[32, 27])).
% 0.22/0.40  tff(34,plain,
% 0.22/0.40      (~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0)),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[33, 26])).
% 0.22/0.40  tff(35,plain,
% 0.22/0.40      (~![X: $int] : ($sum(f(f(X)), $product(-1, f(X))) = 0)),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[34, 26])).
% 0.22/0.40  tff(36,plain,(
% 0.22/0.40      ~($sum(f(f(X!0)), $product(-1, f(X!0))) = 0)),
% 0.22/0.40      inference(skolemize,[status(sab)],[35])).
% 0.22/0.40  tff(37,plain,
% 0.22/0.40      (((~![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)))))) | (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 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)))))) | (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))))))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(38,plain,
% 0.22/0.40      ((~((~$lesseq($sum(f(X!0), $product(-1, f(f(X!0)))), 0)) | (~$greatereq($sum(f(X!0), f(f(X!0))), 0)) | (~($greatereq($sum(f(X!0), $product(-1, f(f(X!0)))), 0) | $lesseq($sum(f(X!0), f(f(X!0))), 0))))) <=> (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)))))),
% 0.22/0.40      inference(rewrite,[status(thm)],[])).
% 0.22/0.40  tff(39,plain,
% 0.22/0.40      (((~![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(f(X!0), $product(-1, f(f(X!0)))), 0)) | (~$greatereq($sum(f(X!0), f(f(X!0))), 0)) | (~($greatereq($sum(f(X!0), $product(-1, f(f(X!0)))), 0) | $lesseq($sum(f(X!0), f(f(X!0))), 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)))))) | (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))))))),
% 0.22/0.40      inference(monotonicity,[status(thm)],[38])).
% 0.22/0.40  tff(40,plain,
% 0.22/0.40      (((~![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(f(X!0), $product(-1, f(f(X!0)))), 0)) | (~$greatereq($sum(f(X!0), f(f(X!0))), 0)) | (~($greatereq($sum(f(X!0), $product(-1, f(f(X!0)))), 0) | $lesseq($sum(f(X!0), f(f(X!0))), 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)))))) | (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))))))),
% 0.22/0.40      inference(transitivity,[status(thm)],[39, 37])).
% 0.22/0.40  tff(41,plain,
% 0.22/0.40      ((~![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(f(X!0), $product(-1, f(f(X!0)))), 0)) | (~$greatereq($sum(f(X!0), f(f(X!0))), 0)) | (~($greatereq($sum(f(X!0), $product(-1, f(f(X!0)))), 0) | $lesseq($sum(f(X!0), f(f(X!0))), 0)))))),
% 0.22/0.40      inference(quant_inst,[status(thm)],[])).
% 0.22/0.40  tff(42,plain,
% 0.22/0.40      ((~![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)))))) | (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)))))),
% 0.22/0.40      inference(modus_ponens,[status(thm)],[41, 40])).
% 0.22/0.40  tff(43,plain,
% 0.22/0.40      (~((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))))),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[42, 19])).
% 0.22/0.40  tff(44,plain,
% 0.22/0.40      (((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)))) | $greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)),
% 0.22/0.40      inference(tautology,[status(thm)],[])).
% 0.22/0.40  tff(45,plain,
% 0.22/0.40      ($greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[44, 43])).
% 0.22/0.40  tff(46,plain,
% 0.22/0.40      (($sum(f(f(X!0)), $product(-1, f(X!0))) = 0) | (~$lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0))),
% 0.22/0.40      inference(theory_lemma,[status(thm)],[])).
% 0.22/0.40  tff(47,plain,
% 0.22/0.40      (~$lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[46, 45, 36])).
% 0.22/0.40  tff(48,plain,
% 0.22/0.40      (((~$greatereq($sum(f(f(X!0)), $product(-1, f(X!0))), 0)) | (~$greatereq($sum(f(f(X!0)), f(X!0)), 0)) | (~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)))) | ($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))),
% 0.22/0.40      inference(tautology,[status(thm)],[])).
% 0.22/0.40  tff(49,plain,
% 0.22/0.40      ($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[48, 43])).
% 0.22/0.40  tff(50,plain,
% 0.22/0.40      ((~($lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0))) | $lesseq($sum(f(f(X!0)), $product(-1, f(X!0))), 0) | $lesseq($sum(f(f(X!0)), f(X!0)), 0)),
% 0.22/0.40      inference(tautology,[status(thm)],[])).
% 0.22/0.40  tff(51,plain,
% 0.22/0.40      ($lesseq($sum(f(f(X!0)), f(X!0)), 0)),
% 0.22/0.40      inference(unit_resolution,[status(thm)],[50, 47, 49])).
% 0.22/0.40  tff(52,plain,
% 0.22/0.40      ($false),
% 0.22/0.40      inference(theory_lemma,[status(thm)],[51, 47, 25, 23])).
% 0.22/0.40  % SZS output end Proof
%------------------------------------------------------------------------------