Mathlib Map

Theorems · Definition · combinatorics

fintypeOfOption

{α : Type u_3} → [Fintype (Option α)] → Fintype α

If Option α is a Fintype then so is α

Defined in
Mathlib.Data.Fintype.Option
Cited by
0 results in Mathlib
Foundations
Depth 64 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Fintype
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Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

fintypeOfOptionEquiv · cited by 0fintypeOfOptionEquivDFunLike.coe · cited by 62936DFunLike.coeFintype · cited by 7736FintypeFintype.elems · cited by 194Fintype.elemsFinset.eraseNone · cited by 21Finset.eraseNonefintypeOfOptionCITED BYCITES

Cites4

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Cited by1

Results whose statement or proof uses this declaration.