3 commits

Author	SHA1	Message	Date
Leonardo de Moura	fafea473b8	feat(frontends/lean/elaborator): coercions to sort	2016-07-30 19:47:04 -07:00
Leonardo de Moura	32eb37472f	feat(library/init/coe): make sure base case is tried before transitive case, add (decidable (coe b)) instance	2016-07-30 11:44:05 -07:00
Leonardo de Moura	2ad5c2ab73	feat(library/init): add has_lift has_coe has_coe_to_fun type classes	2016-07-30 10:11:30 -07:00