Wed, 19 May 2010 09:20:36 +0200 haftmann added implementations of Fset.Set, Fset.Coset; do not delete code equations for relational operators on fsets
Tue, 18 May 2010 19:00:55 -0700 huffman remove several redundant lemmas about floor and ceiling
Tue, 18 May 2010 06:28:42 -0700 huffman merged
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