huffman [Thu, 25 Aug 2011 14:25:19 -0700] rev 44525
generalize lemma finite_imp_compact_convex_hull and related lemmas
huffman [Thu, 25 Aug 2011 13:48:11 -0700] rev 44524
generalize some lemmas
huffman [Thu, 25 Aug 2011 12:52:10 -0700] rev 44523
generalize lemma convex_cone_hull
huffman [Thu, 25 Aug 2011 12:43:55 -0700] rev 44522
rename subset_{interior,closure} to {interior,closure}_mono;
remove some legacy theorem names;
huffman [Thu, 25 Aug 2011 11:57:42 -0700] rev 44521
simplify many proofs about subspace and span;
reorder premises in rule span_induct;
huffman [Thu, 25 Aug 2011 11:56:20 -0700] rev 44520
remove duplicate simp declaration
huffman [Thu, 25 Aug 2011 09:17:02 -0700] rev 44519
simplify definition of 'interior';
add lemmas interiorI and interiorE;
change lemmas interior_unique and closure_unique to rule_format;
tidy some proofs;