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Theorems · Theorem · combinatorics

FinEnum.card_eq_fintypeCard

∀ {α : Type u} [inst : FinEnum α] [inst_1 : Fintype α], FinEnum.card α = Fintype.card α

The enumeration merely adds an ordering, leaving the cardinality as is.

Defined in
Mathlib.Data.FinEnum
Cited by
4 results in Mathlib
Foundations
Depth 59 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FinEnumFintype

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Cites10

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Cited by4

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