Mercurial > hg > Members > kono > Proof > ZF-in-agda
diff LEMC.agda @ 287:5de8905a5a2b
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 07 Jun 2020 20:29:12 +0900 |
parents | 313140ae5e3d |
children | 0faa7120e4b5 |
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--- a/LEMC.agda Sun May 10 09:25:18 2020 +0900 +++ b/LEMC.agda Sun Jun 07 20:29:12 2020 +0900 @@ -32,12 +32,6 @@ open choiced -double-neg-eilm : {A : Set (suc n)} → ¬ ¬ A → A -- we don't have this in intutionistic logic -double-neg-eilm {A} notnot with p∨¬p A -- assuming axiom of choice -... | case1 p = p -... | case2 ¬p = ⊥-elim ( notnot ¬p ) - - OD→ZFC : ZFC OD→ZFC = record { ZFSet = OD