Wed, 21 Nov 2012 12:05:05 +0100 | hoelzl | renamed BNF/Countable_Set to Countable_Type and moved its generic stuff to Library/Countable_Set | file | diff | annotate |
Tue, 20 Nov 2012 18:59:35 +0100 | hoelzl | add Countable_Set theory | file | diff | annotate |