Tue, 29 May 2012 11:13:00 +0200 | huffman | shortened more multiset proofs | changeset | files |
Tue, 29 May 2012 10:30:47 +0200 | huffman | shortened some proofs | changeset | files |
Tue, 29 May 2012 10:08:31 +0200 | huffman | use transfer method for instance proof | changeset | files |