2 commits

Author	SHA1	Message	Date
Leonardo de Moura	81618e30f3	fix(tests/lean/run): adjust some tests to changes in the standard library	2015-11-08 14:04:56 -08:00
Leonardo de Moura	9c8a63caec	feat(library/tactic): add 'contradiction' tactic ... see issue #500 Remark: this tactic also applies no_confusion to take care of a contradiction	2015-04-30 13:47:40 -07:00