Leonardo de Moura aff9257c72 feat(frontends/lean): allow → to be used in calc proofs ... see issue #586		2015-05-07 12:28:47 -07:00
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lean	feat(frontends/lean): allow → to be used in calc proofs	2015-05-07 12:28:47 -07:00
lua	feat(library/tactic): improve 'assumption' tactic	2015-05-02 17:33:54 -07:00