Theorems · Theorem · combinatorics
FinEnum.card_eq_zero
∀ {α : Type u} [inst : FinEnum α] [IsEmpty α], FinEnum.card α = 0Any enumeration of an empty type has length 0.
- Defined in
- Mathlib.Data.FinEnum
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 64 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- IsEmptystatement and proof · cited by 759
- FinEnum.cardstatement · cited by 32
- FinEnumstatement and proof · cited by 21
- FinEnum.card_eq_zero_iffproof · cited by 1
Cited by1
Results whose statement or proof uses this declaration.
- FinEnum.recEmptyOption_of_card_eq_zerostatement and proof · cited by 0