Theorems · Theorem · combinatorics
Finset.card_eq_of_equiv
∀ {α : Type u_1} {β : Type u_2} {s : Finset α} {t : Finset β} (i : ↥s ≃ ↥t), s.card = t.card- Defined in
- Mathlib.Data.Fintype.EquivFin
- Cited by
- 3 results in Mathlib
- Foundations
- Depth 66 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Finsetstatement and proof · cited by 13,712
- Equivstatement and proof · cited by 8,337
- Finset.cardstatement · cited by 2,327
- Fintype.card_coeproof · cited by 72
- Finset.card_eq_of_equiv_fintypeproof · cited by 4
Cited by3
Results whose statement or proof uses this declaration.
- SimpleGraph.Iso.card_edgeFinset_eqproof · cited by 6
- SimpleGraph.Subgraph.neighborSet_eq_of_equivproof · cited by 1
- SimpleGraph.IsTuranMaximal.card_parts_leproof · cited by 1