TSTP Solution File: SET687+4 by Z3---4.8.9.0
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Z3---4.8.9.0
% Problem : SET687+4 : TPTP v8.1.0. Released v2.2.0.
% Transfm : none
% Format : tptp
% Command : z3_tptp -proof -model -t:%d -file:%s
% Computer : n029.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 20 05:07:37 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
% 0.07/0.12 % Problem : SET687+4 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13 % Command : z3_tptp -proof -model -t:%d -file:%s
% 0.13/0.34 % Computer : n029.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 : Sat Sep 3 07:30:45 EDT 2022
% 0.13/0.34 % CPUTime :
% 0.13/0.34 Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.13/0.34 Usage: tptp [options] [-file:]file
% 0.13/0.34 -h, -? prints this message.
% 0.13/0.34 -smt2 print SMT-LIB2 benchmark.
% 0.13/0.34 -m, -model generate model.
% 0.13/0.34 -p, -proof generate proof.
% 0.13/0.34 -c, -core generate unsat core of named formulas.
% 0.13/0.34 -st, -statistics display statistics.
% 0.13/0.34 -t:timeout set timeout (in second).
% 0.13/0.34 -smt2status display status in smt2 format instead of SZS.
% 0.13/0.34 -check_status check the status produced by Z3 against annotation in benchmark.
% 0.13/0.34 -<param>:<value> configuration parameter and value.
% 0.13/0.34 -o:<output-file> file to place output in.
% 0.20/0.39 % SZS status Theorem
% 0.20/0.39 % SZS output start Proof
% 0.20/0.39 tff(subset_type, type, (
% 0.20/0.39 subset: ( $i * $i ) > $o)).
% 0.20/0.39 tff(tptp_fun_A_3_type, type, (
% 0.20/0.39 tptp_fun_A_3: $i)).
% 0.20/0.39 tff(member_type, type, (
% 0.20/0.39 member: ( $i * $i ) > $o)).
% 0.20/0.39 tff(tptp_fun_X_0_type, type, (
% 0.20/0.39 tptp_fun_X_0: ( $i * $i ) > $i)).
% 0.20/0.39 tff(1,plain,
% 0.20/0.39 ((~![A: $i] : subset(A, A)) <=> (~![A: $i] : subset(A, A))),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(2,axiom,(~![A: $i] : subset(A, A)), file('/export/starexec/sandbox2/benchmark/theBenchmark.p','thI01')).
% 0.20/0.39 tff(3,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[2, 1])).
% 0.20/0.39 tff(4,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[3, 1])).
% 0.20/0.39 tff(5,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[4, 1])).
% 0.20/0.39 tff(6,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[5, 1])).
% 0.20/0.39 tff(7,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[6, 1])).
% 0.20/0.39 tff(8,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[7, 1])).
% 0.20/0.39 tff(9,plain,
% 0.20/0.39 (~![A: $i] : subset(A, A)),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[8, 1])).
% 0.20/0.39 tff(10,plain,(
% 0.20/0.39 ~subset(A!3, A!3)),
% 0.20/0.39 inference(skolemize,[status(sab)],[9])).
% 0.20/0.39 tff(11,plain,
% 0.20/0.39 (^[A: $i, B: $i] : refl((~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))))),
% 0.20/0.39 inference(bind,[status(th)],[])).
% 0.20/0.39 tff(12,plain,
% 0.20/0.39 (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(quant_intro,[status(thm)],[11])).
% 0.20/0.39 tff(13,plain,
% 0.20/0.39 (^[A: $i, B: $i] : rewrite((~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))))),
% 0.20/0.39 inference(bind,[status(th)],[])).
% 0.20/0.39 tff(14,plain,
% 0.20/0.39 (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(quant_intro,[status(thm)],[13])).
% 0.20/0.39 tff(15,plain,
% 0.20/0.39 (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(transitivity,[status(thm)],[14, 12])).
% 0.20/0.39 tff(16,plain,
% 0.20/0.39 (^[A: $i, B: $i] : trans(monotonicity(rewrite(((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) <=> ((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))), rewrite((subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))) <=> (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))), ((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))))), rewrite((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))), ((((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))))),
% 0.20/0.39 inference(bind,[status(th)],[])).
% 0.20/0.39 tff(17,plain,
% 0.20/0.39 (![A: $i, B: $i] : (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B))))) <=> ![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(quant_intro,[status(thm)],[16])).
% 0.20/0.39 tff(18,plain,
% 0.20/0.39 (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B))) <=> ![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(19,plain,
% 0.20/0.39 (^[A: $i, B: $i] : rewrite((subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B))) <=> (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B))))),
% 0.20/0.39 inference(bind,[status(th)],[])).
% 0.20/0.39 tff(20,plain,
% 0.20/0.39 (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B))) <=> ![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 0.20/0.39 inference(quant_intro,[status(thm)],[19])).
% 0.20/0.39 tff(21,axiom,(![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : (member(X, A) => member(X, B)))), file('/export/starexec/sandbox2/benchmark/Axioms/SET006+0.ax','subset')).
% 0.20/0.39 tff(22,plain,
% 0.20/0.39 (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[21, 20])).
% 0.20/0.39 tff(23,plain,
% 0.20/0.39 (![A: $i, B: $i] : (subset(A, B) <=> ![X: $i] : ((~member(X, A)) | member(X, B)))),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[22, 18])).
% 0.20/0.39 tff(24,plain,(
% 0.20/0.39 ![A: $i, B: $i] : (((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B))) & (subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))),
% 0.20/0.39 inference(skolemize,[status(sab)],[23])).
% 0.20/0.39 tff(25,plain,
% 0.20/0.39 (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[24, 17])).
% 0.20/0.39 tff(26,plain,
% 0.20/0.39 (![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))),
% 0.20/0.39 inference(modus_ponens,[status(thm)],[25, 15])).
% 0.20/0.39 tff(27,plain,
% 0.20/0.39 (((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | subset(A!3, A!3)) <=> ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | subset(A!3, A!3))),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(28,plain,
% 0.20/0.39 ((~(~subset(A!3, A!3))) <=> subset(A!3, A!3)),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(29,plain,
% 0.20/0.39 (($false | (~subset(A!3, A!3))) <=> (~subset(A!3, A!3))),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(30,plain,
% 0.20/0.39 ((~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3))))) <=> (~subset(A!3, A!3))),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(31,plain,
% 0.20/0.39 ((~$true) <=> $false),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(32,plain,
% 0.20/0.39 (((~subset(A!3, A!3)) | $true) <=> $true),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(33,plain,
% 0.20/0.39 (![X: $i] : $true <=> $true),
% 0.20/0.39 inference(elim_unused_vars,[status(thm)],[])).
% 0.20/0.39 tff(34,plain,
% 0.20/0.39 (![X: $i] : $true <=> ![X: $i] : $true),
% 0.20/0.39 inference(rewrite,[status(thm)],[])).
% 0.20/0.39 tff(35,plain,
% 0.20/0.39 (![X: $i] : $true <=> $true),
% 0.20/0.39 inference(transitivity,[status(thm)],[34, 33])).
% 0.20/0.39 tff(36,plain,
% 0.20/0.39 (^[X: $i] : rewrite(((~member(X, A!3)) | member(X, A!3)) <=> $true)),
% 0.20/0.39 inference(bind,[status(th)],[])).
% 0.20/0.39 tff(37,plain,
% 0.20/0.39 (![X: $i] : ((~member(X, A!3)) | member(X, A!3)) <=> ![X: $i] : $true),
% 0.20/0.39 inference(quant_intro,[status(thm)],[36])).
% 0.20/0.39 tff(38,plain,
% 0.20/0.39 (![X: $i] : ((~member(X, A!3)) | member(X, A!3)) <=> $true),
% 0.20/0.39 inference(transitivity,[status(thm)],[37, 35])).
% 0.20/0.39 tff(39,plain,
% 0.20/0.39 (((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3))) <=> ((~subset(A!3, A!3)) | $true)),
% 0.20/0.39 inference(monotonicity,[status(thm)],[38])).
% 0.20/0.39 tff(40,plain,
% 0.20/0.39 (((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3))) <=> $true),
% 0.20/0.39 inference(transitivity,[status(thm)],[39, 32])).
% 0.20/0.39 tff(41,plain,
% 0.20/0.39 ((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) <=> (~$true)),
% 0.20/0.39 inference(monotonicity,[status(thm)],[40])).
% 0.20/0.39 tff(42,plain,
% 0.20/0.39 ((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) <=> $false),
% 0.20/0.39 inference(transitivity,[status(thm)],[41, 31])).
% 0.20/0.39 tff(43,plain,
% 0.20/0.39 (((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3)))))) <=> ($false | (~subset(A!3, A!3)))),
% 0.20/0.39 inference(monotonicity,[status(thm)],[42, 30])).
% 0.20/0.39 tff(44,plain,
% 0.20/0.39 (((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3)))))) <=> (~subset(A!3, A!3))),
% 0.20/0.39 inference(transitivity,[status(thm)],[43, 29])).
% 0.20/0.39 tff(45,plain,
% 0.20/0.39 ((~((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3))))))) <=> (~(~subset(A!3, A!3)))),
% 0.20/0.39 inference(monotonicity,[status(thm)],[44])).
% 0.20/0.39 tff(46,plain,
% 0.20/0.39 ((~((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3))))))) <=> subset(A!3, A!3)),
% 0.20/0.39 inference(transitivity,[status(thm)],[45, 28])).
% 0.20/0.39 tff(47,plain,
% 0.20/0.39 (((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3)))))))) <=> ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | subset(A!3, A!3))),
% 0.20/0.39 inference(monotonicity,[status(thm)],[46])).
% 0.20/0.39 tff(48,plain,
% 0.20/0.39 (((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3)))))))) <=> ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | subset(A!3, A!3))),
% 0.20/0.39 inference(transitivity,[status(thm)],[47, 27])).
% 0.20/0.39 tff(49,plain,
% 0.20/0.39 ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | (~((~((~subset(A!3, A!3)) | ![X: $i] : ((~member(X, A!3)) | member(X, A!3)))) | (~(subset(A!3, A!3) | (~((~member(tptp_fun_X_0(A!3, A!3), A!3)) | member(tptp_fun_X_0(A!3, A!3), A!3)))))))),
% 0.20/0.40 inference(quant_inst,[status(thm)],[])).
% 0.20/0.40 tff(50,plain,
% 0.20/0.40 ((~![A: $i, B: $i] : (~((~((~subset(A, B)) | ![X: $i] : ((~member(X, A)) | member(X, B)))) | (~(subset(A, B) | (~((~member(tptp_fun_X_0(B, A), A)) | member(tptp_fun_X_0(B, A), B)))))))) | subset(A!3, A!3)),
% 0.20/0.40 inference(modus_ponens,[status(thm)],[49, 48])).
% 0.20/0.40 tff(51,plain,
% 0.20/0.40 ($false),
% 0.20/0.40 inference(unit_resolution,[status(thm)],[50, 26, 10])).
% 0.20/0.40 % SZS output end Proof
%------------------------------------------------------------------------------