Theorems · Theorem · logic and foundations
Finite.card_le_of_embedding
∀ {α : Type u_1} {β : Type u_2} [Finite β] (f : α ↪ β), Nat.card α ≤ Nat.card β- Defined in
- Mathlib.SetTheory.Cardinal.NatCard
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- Finite
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- Finitestatement and proof · cited by 3,029
- Function.Embeddingstatement and proof · cited by 988
- Nat.cardstatement · cited by 844
- Function.Embedding.injectiveproof · cited by 111
- Nat.card_le_card_of_injectiveproof · cited by 19
Cited by1
Results whose statement or proof uses this declaration.
- Subgroup.index_center_le_powproof · cited by 1