Mon, 15 Aug 2011 18:35:36 -0700 huffman generalize lemmas open_Collect_less, closed_Collect_le, closed_Collect_eq to class topological_space
Mon, 15 Aug 2011 16:48:05 -0700 huffman add lemma tendsto_compose
Mon, 15 Aug 2011 16:18:13 -0700 huffman remove extraneous subsection heading
Mon, 15 Aug 2011 15:11:55 -0700 huffman generalized lemma closed_Collect_eq
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