TSTP Solution File: ARI622_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : ARI622_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 17:02:20 EDT 2022

% Result   : Theorem 0.43s 0.60s
% Output   : Proof 0.43s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : ARI622_1 : TPTP v8.1.0. Released v5.1.0.
% 0.00/0.10  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.09/0.30  % Computer : n025.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 300
% 0.09/0.30  % DateTime : Tue Aug 30 01:08:44 EDT 2022
% 0.09/0.30  % CPUTime  : 
% 0.09/0.31  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.09/0.31  Usage: tptp [options] [-file:]file
% 0.09/0.31    -h, -?       prints this message.
% 0.09/0.31    -smt2        print SMT-LIB2 benchmark.
% 0.09/0.31    -m, -model   generate model.
% 0.09/0.31    -p, -proof   generate proof.
% 0.09/0.31    -c, -core    generate unsat core of named formulas.
% 0.09/0.31    -st, -statistics display statistics.
% 0.09/0.31    -t:timeout   set timeout (in second).
% 0.09/0.31    -smt2status  display status in smt2 format instead of SZS.
% 0.09/0.31    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.09/0.31    -<param>:<value> configuration parameter and value.
% 0.09/0.31    -o:<output-file> file to place output in.
% 0.43/0.60  % SZS status Theorem
% 0.43/0.60  % SZS output start Proof
% 0.43/0.60  tff(pow2_type, type, (
% 0.43/0.60     pow2: $int > $o)).
% 0.43/0.60  tff(tptp_fun_Y_0_type, type, (
% 0.43/0.60     tptp_fun_Y_0: $int > $int)).
% 0.43/0.60  tff(1,plain,
% 0.43/0.60      (^[X: $int] : refl((~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))) <=> (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(2,plain,
% 0.43/0.60      (![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))) <=> ![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[1])).
% 0.43/0.60  tff(3,plain,
% 0.43/0.60      (^[X: $int] : rewrite((~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))) <=> (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(4,plain,
% 0.43/0.60      (![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))) <=> ![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[3])).
% 0.43/0.60  tff(5,plain,
% 0.43/0.60      (![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))) <=> ![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(transitivity,[status(thm)],[4, 2])).
% 0.43/0.60  tff(6,plain,
% 0.43/0.60      (^[X: $int] : trans(monotonicity(trans(monotonicity(rewrite(($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X))) <=> (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))), (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) <=> ((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))))), rewrite(((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))) <=> ((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))), (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) <=> ((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))))), rewrite((pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))) <=> (pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))), ((((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))) <=> (((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))) & (pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))))), rewrite((((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X)))))) & (pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0))))))))) <=> (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))), ((((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))) <=> (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(7,plain,
% 0.43/0.60      (![X: $int] : (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))) <=> ![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[6])).
% 0.43/0.60  tff(8,plain,
% 0.43/0.60      (^[X: $int] : rewrite((((~pow2(X)) | ((X = 1) | ($greatereq(X, 2) & (($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))) <=> (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(9,plain,
% 0.43/0.60      (![X: $int] : (((~pow2(X)) | ((X = 1) | ($greatereq(X, 2) & (($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))) <=> ![X: $int] : (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[8])).
% 0.43/0.60  tff(10,plain,
% 0.43/0.60      (^[X: $int] : rewrite((pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum($product(2, Y), $product(-1, X)) = 0) & pow2(Y))))) <=> (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum(X, $product(-2, Y)) = 0) & pow2(Y))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(11,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum($product(2, Y), $product(-1, X)) = 0) & pow2(Y))))) <=> ![X: $int] : (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[10])).
% 0.43/0.60  tff(12,plain,
% 0.43/0.60      (^[X: $int] : rewrite((pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y))))) <=> (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum($product(2, Y), $product(-1, X)) = 0) & pow2(Y))))))),
% 0.43/0.60      inference(bind,[status(th)],[])).
% 0.43/0.60  tff(13,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y))))) <=> ![X: $int] : (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum($product(2, Y), $product(-1, X)) = 0) & pow2(Y)))))),
% 0.43/0.60      inference(quant_intro,[status(thm)],[12])).
% 0.43/0.60  tff(14,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y))))) <=> ![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y)))))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(15,plain,
% 0.43/0.60      ((~(![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y))))) => ?[X: $int, Y: $int] : ((pow2(X) & pow2(Y)) & ($sum(X, Y) = 10)))) <=> (~((~![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y)))))) | ?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(16,axiom,(~(![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y))))) => ?[X: $int, Y: $int] : ((pow2(X) & pow2(Y)) & ($sum(X, Y) = 10)))), file('/export/starexec/sandbox/benchmark/theBenchmark.p','sum_of_pows_of_2_eq_10')).
% 0.43/0.60  tff(17,plain,
% 0.43/0.60      (~((~![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y)))))) | ?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10)))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[16, 15])).
% 0.43/0.60  tff(18,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y)))))),
% 0.43/0.60      inference(or_elim,[status(thm)],[17])).
% 0.43/0.60  tff(19,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($lesseq(2, X) & ?[Y: $int] : (($product(2, Y) = X) & pow2(Y)))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[18, 14])).
% 0.43/0.60  tff(20,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum($product(2, Y), $product(-1, X)) = 0) & pow2(Y)))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[19, 13])).
% 0.43/0.60  tff(21,plain,
% 0.43/0.60      (![X: $int] : (pow2(X) <=> ((X = 1) | ($greatereq(X, 2) & ?[Y: $int] : (($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[20, 11])).
% 0.43/0.60  tff(22,plain,(
% 0.43/0.60      ![X: $int] : (((~pow2(X)) | ((X = 1) | ($greatereq(X, 2) & (($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))))),
% 0.43/0.60      inference(skolemize,[status(sab)],[21])).
% 0.43/0.60  tff(23,plain,
% 0.43/0.60      (![X: $int] : (((X = 1) | (~pow2(X)) | ($greatereq(X, 2) & ($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0) & pow2(tptp_fun_Y_0(X)))) & (pow2(X) | ((~(X = 1)) & ((~$greatereq(X, 2)) | ![Y: $int] : (~(($sum(X, $product(-2, Y)) = 0) & pow2(Y)))))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[22, 9])).
% 0.43/0.60  tff(24,plain,
% 0.43/0.60      (![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[23, 7])).
% 0.43/0.60  tff(25,plain,
% 0.43/0.60      (![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[24, 5])).
% 0.43/0.60  tff(26,plain,
% 0.43/0.60      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))))))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(27,plain,
% 0.43/0.60      ((~((~((8 = 1) | (~pow2(8)) | (~((~$greatereq(8, 2)) | (~($sum(8, $product(-2, tptp_fun_Y_0(8))) = 0)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | (~((8 = 1) | (~((~$greatereq(8, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(8, $product(-2, Y)) = 0))))))))))) <=> (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))))))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(28,plain,
% 0.43/0.60      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((8 = 1) | (~pow2(8)) | (~((~$greatereq(8, 2)) | (~($sum(8, $product(-2, tptp_fun_Y_0(8))) = 0)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | (~((8 = 1) | (~((~$greatereq(8, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(8, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))))))),
% 0.43/0.60      inference(monotonicity,[status(thm)],[27])).
% 0.43/0.60  tff(29,plain,
% 0.43/0.60      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((8 = 1) | (~pow2(8)) | (~((~$greatereq(8, 2)) | (~($sum(8, $product(-2, tptp_fun_Y_0(8))) = 0)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | (~((8 = 1) | (~((~$greatereq(8, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(8, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))))))),
% 0.43/0.60      inference(transitivity,[status(thm)],[28, 26])).
% 0.43/0.60  tff(30,plain,
% 0.43/0.60      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((8 = 1) | (~pow2(8)) | (~((~$greatereq(8, 2)) | (~($sum(8, $product(-2, tptp_fun_Y_0(8))) = 0)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | (~((8 = 1) | (~((~$greatereq(8, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(8, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.60      inference(quant_inst,[status(thm)],[])).
% 0.43/0.60  tff(31,plain,
% 0.43/0.60      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))))))),
% 0.43/0.60      inference(modus_ponens,[status(thm)],[30, 29])).
% 0.43/0.60  tff(32,plain,
% 0.43/0.60      (~((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))))),
% 0.43/0.60      inference(unit_resolution,[status(thm)],[31, 25])).
% 0.43/0.60  tff(33,plain,
% 0.43/0.60      (((~((~pow2(8)) | (~((~(tptp_fun_Y_0(8) = 4)) | (~pow2(tptp_fun_Y_0(8))))))) | (~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))))) | (pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))),
% 0.43/0.60      inference(tautology,[status(thm)],[])).
% 0.43/0.60  tff(34,plain,
% 0.43/0.60      (pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))),
% 0.43/0.60      inference(unit_resolution,[status(thm)],[33, 32])).
% 0.43/0.60  tff(35,assumption,(![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))), introduced(assumption)).
% 0.43/0.60  tff(36,assumption,(![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))), introduced(assumption)).
% 0.43/0.60  tff(37,plain,
% 0.43/0.60      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | pow2(1)) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | pow2(1))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(38,plain,
% 0.43/0.60      ((~(~pow2(1))) <=> pow2(1)),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(39,plain,
% 0.43/0.60      (($false | (~pow2(1))) <=> (~pow2(1))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(40,plain,
% 0.43/0.60      ((~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0))))))))) <=> (~pow2(1))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(41,plain,
% 0.43/0.60      ((~$true) <=> $false),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(42,plain,
% 0.43/0.60      (($true | (~pow2(1)) | $false) <=> $true),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(43,plain,
% 0.43/0.60      (($true | $true | (~pow2(tptp_fun_Y_0(1)))) <=> $true),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(44,plain,
% 0.43/0.60      ((~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))) <=> (~pow2(tptp_fun_Y_0(1)))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(45,plain,
% 0.43/0.60      ((~$false) <=> $true),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(46,plain,
% 0.43/0.60      (($sum(1, $product(-2, tptp_fun_Y_0(1))) = 0) <=> $false),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(47,plain,
% 0.43/0.60      ($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = $sum(1, $product(-2, tptp_fun_Y_0(1)))),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(48,plain,
% 0.43/0.60      (($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0) <=> ($sum(1, $product(-2, tptp_fun_Y_0(1))) = 0)),
% 0.43/0.60      inference(monotonicity,[status(thm)],[47])).
% 0.43/0.60  tff(49,plain,
% 0.43/0.60      (($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0) <=> $false),
% 0.43/0.60      inference(transitivity,[status(thm)],[48, 46])).
% 0.43/0.60  tff(50,plain,
% 0.43/0.60      ((~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) <=> (~$false)),
% 0.43/0.60      inference(monotonicity,[status(thm)],[49])).
% 0.43/0.60  tff(51,plain,
% 0.43/0.60      ((~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) <=> $true),
% 0.43/0.60      inference(transitivity,[status(thm)],[50, 45])).
% 0.43/0.60  tff(52,plain,
% 0.43/0.60      ($greatereq(1, 2) <=> $false),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(53,plain,
% 0.43/0.60      ($sum(2, -1) = 1),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(54,plain,
% 0.43/0.60      ($product(-1, 1) = -1),
% 0.43/0.60      inference(rewrite,[status(thm)],[])).
% 0.43/0.60  tff(55,plain,
% 0.43/0.60      ($sum(2, $product(-1, 1)) = $sum(2, -1)),
% 0.43/0.60      inference(monotonicity,[status(thm)],[54])).
% 0.43/0.60  tff(56,plain,
% 0.43/0.60      ($sum(2, $product(-1, 1)) = 1),
% 0.43/0.61      inference(transitivity,[status(thm)],[55, 53])).
% 0.43/0.61  tff(57,plain,
% 0.43/0.61      ($greatereq($sum(2, $product(-1, 1)), 2) <=> $greatereq(1, 2)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[56])).
% 0.43/0.61  tff(58,plain,
% 0.43/0.61      ($greatereq($sum(2, $product(-1, 1)), 2) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[57, 52])).
% 0.43/0.61  tff(59,plain,
% 0.43/0.61      ((~$greatereq($sum(2, $product(-1, 1)), 2)) <=> (~$false)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[58])).
% 0.43/0.61  tff(60,plain,
% 0.43/0.61      ((~$greatereq($sum(2, $product(-1, 1)), 2)) <=> $true),
% 0.43/0.61      inference(transitivity,[status(thm)],[59, 45])).
% 0.43/0.61  tff(61,plain,
% 0.43/0.61      (((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1)))))) <=> ($true | $true | (~pow2(tptp_fun_Y_0(1))))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[60, 51, 44])).
% 0.43/0.61  tff(62,plain,
% 0.43/0.61      (((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1)))))) <=> $true),
% 0.43/0.61      inference(transitivity,[status(thm)],[61, 43])).
% 0.43/0.61  tff(63,plain,
% 0.43/0.61      ((~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))) <=> (~$true)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[62])).
% 0.43/0.61  tff(64,plain,
% 0.43/0.61      ((~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[63, 41])).
% 0.43/0.61  tff(65,plain,
% 0.43/0.61      ((~pow2($sum(2, $product(-1, 1)))) <=> (~pow2(1))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(66,plain,
% 0.43/0.61      ((1 = 1) <=> $true),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(67,plain,
% 0.43/0.61      (($sum(2, $product(-1, 1)) = 1) <=> (1 = 1)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[56])).
% 0.43/0.61  tff(68,plain,
% 0.43/0.61      (($sum(2, $product(-1, 1)) = 1) <=> $true),
% 0.43/0.61      inference(transitivity,[status(thm)],[67, 66])).
% 0.43/0.61  tff(69,plain,
% 0.43/0.61      ((($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1)))))))) <=> ($true | (~pow2(1)) | $false)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[68, 65, 64])).
% 0.43/0.61  tff(70,plain,
% 0.43/0.61      ((($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1)))))))) <=> $true),
% 0.43/0.61      inference(transitivity,[status(thm)],[69, 42])).
% 0.43/0.61  tff(71,plain,
% 0.43/0.61      ((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) <=> (~$true)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[70])).
% 0.43/0.61  tff(72,plain,
% 0.43/0.61      ((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[71, 41])).
% 0.43/0.61  tff(73,plain,
% 0.43/0.61      (((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0)))))))))) <=> ($false | (~pow2(1)))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[72, 40])).
% 0.43/0.61  tff(74,plain,
% 0.43/0.61      (((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0)))))))))) <=> (~pow2(1))),
% 0.43/0.61      inference(transitivity,[status(thm)],[73, 39])).
% 0.43/0.61  tff(75,plain,
% 0.43/0.61      ((~((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0))))))))))) <=> (~(~pow2(1)))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[74])).
% 0.43/0.61  tff(76,plain,
% 0.43/0.61      ((~((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0))))))))))) <=> pow2(1)),
% 0.43/0.61      inference(transitivity,[status(thm)],[75, 38])).
% 0.43/0.61  tff(77,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | pow2(1))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[76])).
% 0.43/0.61  tff(78,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | pow2(1))),
% 0.43/0.61      inference(transitivity,[status(thm)],[77, 37])).
% 0.43/0.61  tff(79,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(($sum(2, $product(-1, 1)) = 1) | (~pow2($sum(2, $product(-1, 1)))) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, tptp_fun_Y_0($sum(2, $product(-1, 1))))) = 0)) | (~pow2(tptp_fun_Y_0($sum(2, $product(-1, 1))))))))) | (~(pow2($sum(2, $product(-1, 1))) | (~(($sum(2, $product(-1, 1)) = 1) | (~((~$greatereq($sum(2, $product(-1, 1)), 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum($sum(2, $product(-1, 1)), $product(-2, Y)) = 0)))))))))))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(80,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | pow2(1)),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[79, 78])).
% 0.43/0.61  tff(81,plain,
% 0.43/0.61      (pow2(1)),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[80, 25])).
% 0.43/0.61  tff(82,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | (~pow2(1))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | (~pow2(1)))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(83,plain,
% 0.43/0.61      (((~pow2(1)) | $false) <=> (~pow2(1))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(84,plain,
% 0.43/0.61      ((~(1 = 1)) <=> (~$true)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[66])).
% 0.43/0.61  tff(85,plain,
% 0.43/0.61      ((~(1 = 1)) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[84, 41])).
% 0.43/0.61  tff(86,plain,
% 0.43/0.61      (((~pow2(1)) | (~(1 = 1))) <=> ((~pow2(1)) | $false)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[85])).
% 0.43/0.61  tff(87,plain,
% 0.43/0.61      (((~pow2(1)) | (~(1 = 1))) <=> (~pow2(1))),
% 0.43/0.61      inference(transitivity,[status(thm)],[86, 83])).
% 0.43/0.61  tff(88,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | ((~pow2(1)) | (~(1 = 1)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | (~pow2(1)))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[87])).
% 0.43/0.61  tff(89,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | ((~pow2(1)) | (~(1 = 1)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | (~pow2(1)))),
% 0.43/0.61      inference(transitivity,[status(thm)],[88, 82])).
% 0.43/0.61  tff(90,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | ((~pow2(1)) | (~(1 = 1)))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(91,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))) | (~pow2(1))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[90, 89])).
% 0.43/0.61  tff(92,plain,
% 0.43/0.61      ($false),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[91, 81, 36])).
% 0.43/0.61  tff(93,plain,(~![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))), inference(lemma,lemma(discharge,[]))).
% 0.43/0.61  tff(94,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))))))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(95,plain,
% 0.43/0.61      ((~((~((2 = 1) | (~pow2(2)) | (~((~$greatereq(2, 2)) | (~($sum(2, $product(-2, tptp_fun_Y_0(2))) = 0)) | (~pow2(tptp_fun_Y_0(2))))))) | (~(pow2(2) | (~((2 = 1) | (~((~$greatereq(2, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(2, $product(-2, Y)) = 0))))))))))) <=> (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))))))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(96,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((2 = 1) | (~pow2(2)) | (~((~$greatereq(2, 2)) | (~($sum(2, $product(-2, tptp_fun_Y_0(2))) = 0)) | (~pow2(tptp_fun_Y_0(2))))))) | (~(pow2(2) | (~((2 = 1) | (~((~$greatereq(2, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(2, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))))))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[95])).
% 0.43/0.61  tff(97,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((2 = 1) | (~pow2(2)) | (~((~$greatereq(2, 2)) | (~($sum(2, $product(-2, tptp_fun_Y_0(2))) = 0)) | (~pow2(tptp_fun_Y_0(2))))))) | (~(pow2(2) | (~((2 = 1) | (~((~$greatereq(2, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(2, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))))))),
% 0.43/0.61      inference(transitivity,[status(thm)],[96, 94])).
% 0.43/0.61  tff(98,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((2 = 1) | (~pow2(2)) | (~((~$greatereq(2, 2)) | (~($sum(2, $product(-2, tptp_fun_Y_0(2))) = 0)) | (~pow2(tptp_fun_Y_0(2))))))) | (~(pow2(2) | (~((2 = 1) | (~((~$greatereq(2, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(2, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(99,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))))))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[98, 97])).
% 0.43/0.61  tff(100,plain,
% 0.43/0.61      (~((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[99, 25])).
% 0.43/0.61  tff(101,plain,
% 0.43/0.61      (((~((~((~(tptp_fun_Y_0(2) = 1)) | (~pow2(tptp_fun_Y_0(2))))) | (~pow2(2)))) | (~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))))) | (pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))),
% 0.43/0.61      inference(tautology,[status(thm)],[])).
% 0.43/0.61  tff(102,plain,
% 0.43/0.61      (pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[101, 100])).
% 0.43/0.61  tff(103,plain,
% 0.43/0.61      ((~(pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1))))) | pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))),
% 0.43/0.61      inference(tautology,[status(thm)],[])).
% 0.43/0.61  tff(104,plain,
% 0.43/0.61      (pow2(2) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 1)))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[103, 102])).
% 0.43/0.61  tff(105,plain,
% 0.43/0.61      (pow2(2)),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[104, 93])).
% 0.43/0.61  tff(106,assumption,(![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))), introduced(assumption)).
% 0.43/0.61  tff(107,assumption,(pow2(2)), introduced(assumption)).
% 0.43/0.61  tff(108,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2)))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(109,plain,
% 0.43/0.61      (((~pow2(2)) | $false) <=> (~pow2(2))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(110,plain,
% 0.43/0.61      ((2 = 2) <=> $true),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(111,plain,
% 0.43/0.61      ((~(2 = 2)) <=> (~$true)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[110])).
% 0.43/0.61  tff(112,plain,
% 0.43/0.61      ((~(2 = 2)) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[111, 41])).
% 0.43/0.61  tff(113,plain,
% 0.43/0.61      (((~pow2(2)) | (~(2 = 2))) <=> ((~pow2(2)) | $false)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[112])).
% 0.43/0.61  tff(114,plain,
% 0.43/0.61      (((~pow2(2)) | (~(2 = 2))) <=> (~pow2(2))),
% 0.43/0.61      inference(transitivity,[status(thm)],[113, 109])).
% 0.43/0.61  tff(115,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | ((~pow2(2)) | (~(2 = 2)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2)))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[114])).
% 0.43/0.61  tff(116,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | ((~pow2(2)) | (~(2 = 2)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2)))),
% 0.43/0.61      inference(transitivity,[status(thm)],[115, 108])).
% 0.43/0.61  tff(117,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | ((~pow2(2)) | (~(2 = 2)))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(118,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[117, 116])).
% 0.43/0.61  tff(119,plain,
% 0.43/0.61      ($false),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[118, 107, 106])).
% 0.43/0.61  tff(120,plain,((~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))) | (~pow2(2))), inference(lemma,lemma(discharge,[]))).
% 0.43/0.61  tff(121,plain,
% 0.43/0.61      (~![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[120, 105])).
% 0.43/0.61  tff(122,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2)))))))))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(123,plain,
% 0.43/0.61      ((~((~((4 = 1) | (~pow2(4)) | (~((~$greatereq(4, 2)) | (~($sum(4, $product(-2, tptp_fun_Y_0(4))) = 0)) | (~pow2(tptp_fun_Y_0(4))))))) | (~(pow2(4) | (~((4 = 1) | (~((~$greatereq(4, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(4, $product(-2, Y)) = 0))))))))))) <=> (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2))))))))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(124,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((4 = 1) | (~pow2(4)) | (~((~$greatereq(4, 2)) | (~($sum(4, $product(-2, tptp_fun_Y_0(4))) = 0)) | (~pow2(tptp_fun_Y_0(4))))))) | (~(pow2(4) | (~((4 = 1) | (~((~$greatereq(4, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(4, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2)))))))))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[123])).
% 0.43/0.61  tff(125,plain,
% 0.43/0.61      (((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((4 = 1) | (~pow2(4)) | (~((~$greatereq(4, 2)) | (~($sum(4, $product(-2, tptp_fun_Y_0(4))) = 0)) | (~pow2(tptp_fun_Y_0(4))))))) | (~(pow2(4) | (~((4 = 1) | (~((~$greatereq(4, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(4, $product(-2, Y)) = 0)))))))))))) <=> ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2)))))))))),
% 0.43/0.61      inference(transitivity,[status(thm)],[124, 122])).
% 0.43/0.61  tff(126,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~((4 = 1) | (~pow2(4)) | (~((~$greatereq(4, 2)) | (~($sum(4, $product(-2, tptp_fun_Y_0(4))) = 0)) | (~pow2(tptp_fun_Y_0(4))))))) | (~(pow2(4) | (~((4 = 1) | (~((~$greatereq(4, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(4, $product(-2, Y)) = 0)))))))))))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(127,plain,
% 0.43/0.61      ((~![X: $int] : (~((~((X = 1) | (~pow2(X)) | (~((~$greatereq(X, 2)) | (~($sum(X, $product(-2, tptp_fun_Y_0(X))) = 0)) | (~pow2(tptp_fun_Y_0(X))))))) | (~(pow2(X) | (~((X = 1) | (~((~$greatereq(X, 2)) | ![Y: $int] : ((~pow2(Y)) | (~($sum(X, $product(-2, Y)) = 0)))))))))))) | (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2))))))))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[126, 125])).
% 0.43/0.61  tff(128,plain,
% 0.43/0.61      (~((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2)))))))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[127, 25])).
% 0.43/0.61  tff(129,plain,
% 0.43/0.61      (((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | (~((~pow2(4)) | (~((~pow2(tptp_fun_Y_0(4))) | (~(tptp_fun_Y_0(4) = 2))))))) | (pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))),
% 0.43/0.61      inference(tautology,[status(thm)],[])).
% 0.43/0.61  tff(130,plain,
% 0.43/0.61      (pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[129, 128])).
% 0.43/0.61  tff(131,plain,
% 0.43/0.61      ((~(pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2))))) | pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))),
% 0.43/0.61      inference(tautology,[status(thm)],[])).
% 0.43/0.61  tff(132,plain,
% 0.43/0.61      (pow2(4) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 2)))),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[131, 130])).
% 0.43/0.61  tff(133,plain,
% 0.43/0.61      (pow2(4)),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[132, 121])).
% 0.43/0.61  tff(134,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | (~pow2(4))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | (~pow2(4)))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(135,plain,
% 0.43/0.61      (((~pow2(4)) | $false) <=> (~pow2(4))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(136,plain,
% 0.43/0.61      ((4 = 4) <=> $true),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(137,plain,
% 0.43/0.61      ((~(4 = 4)) <=> (~$true)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[136])).
% 0.43/0.61  tff(138,plain,
% 0.43/0.61      ((~(4 = 4)) <=> $false),
% 0.43/0.61      inference(transitivity,[status(thm)],[137, 41])).
% 0.43/0.61  tff(139,plain,
% 0.43/0.61      (((~pow2(4)) | (~(4 = 4))) <=> ((~pow2(4)) | $false)),
% 0.43/0.61      inference(monotonicity,[status(thm)],[138])).
% 0.43/0.61  tff(140,plain,
% 0.43/0.61      (((~pow2(4)) | (~(4 = 4))) <=> (~pow2(4))),
% 0.43/0.61      inference(transitivity,[status(thm)],[139, 135])).
% 0.43/0.61  tff(141,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | ((~pow2(4)) | (~(4 = 4)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | (~pow2(4)))),
% 0.43/0.61      inference(monotonicity,[status(thm)],[140])).
% 0.43/0.61  tff(142,plain,
% 0.43/0.61      (((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | ((~pow2(4)) | (~(4 = 4)))) <=> ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | (~pow2(4)))),
% 0.43/0.61      inference(transitivity,[status(thm)],[141, 134])).
% 0.43/0.61  tff(143,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | ((~pow2(4)) | (~(4 = 4)))),
% 0.43/0.61      inference(quant_inst,[status(thm)],[])).
% 0.43/0.61  tff(144,plain,
% 0.43/0.61      ((~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))) | (~pow2(4))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[143, 142])).
% 0.43/0.61  tff(145,plain,
% 0.43/0.61      ($false),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[144, 133, 35])).
% 0.43/0.61  tff(146,plain,(~![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))), inference(lemma,lemma(discharge,[]))).
% 0.43/0.61  tff(147,plain,
% 0.43/0.61      ((~(pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4))))) | pow2(8) | ![Y: $int] : ((~pow2(Y)) | (~(Y = 4)))),
% 0.43/0.61      inference(tautology,[status(thm)],[])).
% 0.43/0.61  tff(148,plain,
% 0.43/0.61      (pow2(8)),
% 0.43/0.61      inference(unit_resolution,[status(thm)],[147, 146, 34])).
% 0.43/0.61  tff(149,plain,
% 0.43/0.61      (^[X: $int, Y: $int] : refl(((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))) <=> ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))))),
% 0.43/0.61      inference(bind,[status(th)],[])).
% 0.43/0.61  tff(150,plain,
% 0.43/0.61      (![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))) <=> ![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))),
% 0.43/0.61      inference(quant_intro,[status(thm)],[149])).
% 0.43/0.61  tff(151,plain,
% 0.43/0.61      (^[X: $int, Y: $int] : trans(monotonicity(rewrite((pow2(X) & pow2(Y) & ($sum(X, Y) = 10)) <=> (~((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))))), ((~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10))) <=> (~(~((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))))))), rewrite((~(~((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X))))) <=> ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))), ((~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10))) <=> ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))))),
% 0.43/0.61      inference(bind,[status(th)],[])).
% 0.43/0.61  tff(152,plain,
% 0.43/0.61      (![X: $int, Y: $int] : (~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10))) <=> ![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))),
% 0.43/0.61      inference(quant_intro,[status(thm)],[151])).
% 0.43/0.61  tff(153,plain,
% 0.43/0.61      ((~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))) <=> (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10)))),
% 0.43/0.61      inference(rewrite,[status(thm)],[])).
% 0.43/0.61  tff(154,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(or_elim,[status(thm)],[17])).
% 0.43/0.61  tff(155,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[154, 153])).
% 0.43/0.61  tff(156,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[155, 153])).
% 0.43/0.61  tff(157,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[156, 153])).
% 0.43/0.61  tff(158,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[157, 153])).
% 0.43/0.61  tff(159,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[158, 153])).
% 0.43/0.61  tff(160,plain,
% 0.43/0.61      (~?[X: $int, Y: $int] : (pow2(X) & pow2(Y) & ($sum(X, Y) = 10))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[159, 153])).
% 0.43/0.61  tff(161,plain,
% 0.43/0.61      (^[X: $int, Y: $int] : refl($oeq((~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10))), (~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10)))))),
% 0.43/0.61      inference(bind,[status(th)],[])).
% 0.43/0.61  tff(162,plain,(
% 0.43/0.61      ![X: $int, Y: $int] : (~(pow2(X) & pow2(Y) & ($sum(X, Y) = 10)))),
% 0.43/0.61      inference(nnf-neg,[status(sab)],[160, 161])).
% 0.43/0.61  tff(163,plain,
% 0.43/0.61      (![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[162, 152])).
% 0.43/0.61  tff(164,plain,
% 0.43/0.61      (![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))),
% 0.43/0.61      inference(modus_ponens,[status(thm)],[163, 150])).
% 0.43/0.61  tff(165,plain,
% 0.43/0.62      (((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | ((~pow2(2)) | (~pow2(8)))) <=> ((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | (~pow2(2)) | (~pow2(8)))),
% 0.43/0.62      inference(rewrite,[status(thm)],[])).
% 0.43/0.62  tff(166,plain,
% 0.43/0.62      (((~pow2(2)) | $false | (~pow2(8))) <=> ((~pow2(2)) | (~pow2(8)))),
% 0.43/0.62      inference(rewrite,[status(thm)],[])).
% 0.43/0.62  tff(167,plain,
% 0.43/0.62      ((10 = 10) <=> $true),
% 0.43/0.62      inference(rewrite,[status(thm)],[])).
% 0.43/0.62  tff(168,plain,
% 0.43/0.62      ($sum(8, 2) = 10),
% 0.43/0.62      inference(rewrite,[status(thm)],[])).
% 0.43/0.62  tff(169,plain,
% 0.43/0.62      (($sum(8, 2) = 10) <=> (10 = 10)),
% 0.43/0.62      inference(monotonicity,[status(thm)],[168])).
% 0.43/0.62  tff(170,plain,
% 0.43/0.62      (($sum(8, 2) = 10) <=> $true),
% 0.43/0.62      inference(transitivity,[status(thm)],[169, 167])).
% 0.43/0.62  tff(171,plain,
% 0.43/0.62      ((~($sum(8, 2) = 10)) <=> (~$true)),
% 0.43/0.62      inference(monotonicity,[status(thm)],[170])).
% 0.43/0.62  tff(172,plain,
% 0.43/0.62      ((~($sum(8, 2) = 10)) <=> $false),
% 0.43/0.62      inference(transitivity,[status(thm)],[171, 41])).
% 0.43/0.62  tff(173,plain,
% 0.43/0.62      (((~pow2(2)) | (~($sum(8, 2) = 10)) | (~pow2(8))) <=> ((~pow2(2)) | $false | (~pow2(8)))),
% 0.43/0.62      inference(monotonicity,[status(thm)],[172])).
% 0.43/0.62  tff(174,plain,
% 0.43/0.62      (((~pow2(2)) | (~($sum(8, 2) = 10)) | (~pow2(8))) <=> ((~pow2(2)) | (~pow2(8)))),
% 0.43/0.62      inference(transitivity,[status(thm)],[173, 166])).
% 0.43/0.62  tff(175,plain,
% 0.43/0.62      (((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | ((~pow2(2)) | (~($sum(8, 2) = 10)) | (~pow2(8)))) <=> ((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | ((~pow2(2)) | (~pow2(8))))),
% 0.43/0.62      inference(monotonicity,[status(thm)],[174])).
% 0.43/0.62  tff(176,plain,
% 0.43/0.62      (((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | ((~pow2(2)) | (~($sum(8, 2) = 10)) | (~pow2(8)))) <=> ((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | (~pow2(2)) | (~pow2(8)))),
% 0.43/0.62      inference(transitivity,[status(thm)],[175, 165])).
% 0.43/0.62  tff(177,plain,
% 0.43/0.62      ((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | ((~pow2(2)) | (~($sum(8, 2) = 10)) | (~pow2(8)))),
% 0.43/0.62      inference(quant_inst,[status(thm)],[])).
% 0.43/0.62  tff(178,plain,
% 0.43/0.62      ((~![X: $int, Y: $int] : ((~pow2(Y)) | (~($sum(X, Y) = 10)) | (~pow2(X)))) | (~pow2(2)) | (~pow2(8))),
% 0.43/0.62      inference(modus_ponens,[status(thm)],[177, 176])).
% 0.43/0.62  tff(179,plain,
% 0.43/0.62      ($false),
% 0.43/0.62      inference(unit_resolution,[status(thm)],[178, 164, 105, 148])).
% 0.43/0.62  % SZS output end Proof
%------------------------------------------------------------------------------