Fri, 29 May 2009 18:23:07 -0700 | huffman | generalize topological notions to class metric_space; add class perfect_space | changeset | files |
Fri, 29 May 2009 15:32:33 -0700 | huffman | instance ^ :: (metric_space, finite) metric_space | changeset | files |
Fri, 29 May 2009 14:09:58 -0700 | huffman | generalize tendsto and related constants to class metric_space | changeset | files |