Leonardo de Moura 7d0100a340 feat(library/tactic): add 'intros' tactic		2014-10-20 15:26:16 -07:00
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lean	feat(library/tactic): add 'intros' tactic	2014-10-20 15:26:16 -07:00
lua	perf(kernel/metavar): improve occurs_expr and occurs performance	2014-10-17 14:05:22 -07:00