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Mathlib v3 is deprecated.
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Theorem
nat.card_fintype_Iio
Modification history
2021-11-04 22:36
src/data/nat/interval.lean
feat(data/fin/interval): Cardinality of `finset.Ixi`/`finset.Iix` in `fin` (#10168) …
Added
nat.card_fintype_Iio
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