2 commits

Author	SHA1	Message	Date
Leonardo de Moura	754276a660	feat(frontends/lean): round parenthesis for [tactic1 | tactic2] ... This commit also replaces the notation for divides `(` a `|` b `)` with a `∣` b The character `∣` is entered by typing \| closes #516	2015-04-06 09:24:09 -07:00
Leonardo de Moura	b01cf73a91	feat(library/init/logic): add is_true and is_false	2014-12-11 18:14:03 -08:00