Wed, 10 Aug 2011 15:56:48 -0700 | huffman | remove redundant lemma | changeset | files |
Wed, 10 Aug 2011 14:25:56 -0700 | huffman | simplify proof of lemma bounded_component | changeset | files |
Wed, 10 Aug 2011 14:10:52 -0700 | huffman | simplify some proofs | changeset | files |