Wed, 21 Aug 2019 10:29:34 +0200 Christian Urban added some lemmas about the counter example.
Tue, 20 Aug 2019 23:42:28 +0200 Christian Urban updated contains
Mon, 19 Aug 2019 16:24:28 +0100 Chengsong cst modifications
Mon, 19 Aug 2019 16:22:58 +0100 Chengsong hope it works
Mon, 19 Aug 2019 13:33:53 +0100 Chengsong bad news
Mon, 19 Aug 2019 11:14:38 +0200 Christian Urban added progress with the contains relation
Sun, 11 Aug 2019 00:28:14 +0100 Christian Urban updated
(0) -300 -100 -30 -10 -7 +7 +10 +30 +100 +300 tip