Mercurial > hg > Members > kono > Proof > ZF-in-agda

diff Todo @ 187:ac872f6b8692

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add Todo
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 23 Jul 2019 11:08:24 +0900
parents 6e767ad3edc2
children bca043423554
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--- a/Todo	Mon Jul 22 18:49:38 2019 +0900
+++ b/Todo	Tue Jul 23 11:08:24 2019 +0900
@@ -1,3 +1,13 @@
+Tue Jul 23 11:02:50 JST 2019
+
+    define cardinals 
+    prove CH in OD→ZF
+    define Ultra filter
+    define L M : ZF ZFSet = M is an OD
+    define L N : ZF ZFSet = N = G M (G is a generic fitler on M )
+    prove ¬ CH on L N
+    prove no choice function on L N
+
 Mon Jul  8 19:43:37 JST 2019
 
     ordinal-definable.agda assumes all ZF Set are ordinals, that it too restrictive