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Commit 2018-08-07 20:28 bd7f1b06

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feat(data/fintype): injective_iff_surjective (#240)

Estimated changes

Modified data/fintype.lean

modified theorem fintype.card_le_of_injective

added theorem fintype.injective_iff_surjective

added theorem fintype.injective_iff_surjective_of_equiv