Theorems · Theorem · logic and foundations
Nat.card_coe_set_eq
∀ {α : Type u_1} (s : Set α), Nat.card ↑s = s.ncard- Defined in
- Mathlib.Data.Set.Card
- Cited by
- 19 results in Mathlib
- Foundations
- Depth 91 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.
Cited by19
Results whose statement or proof uses this declaration.
- Set.ncard_eq_toFinset_cardproof · cited by 21
- Set.Infinite.ncardproof · cited by 12
- MulAction.index_stabilizerproof · cited by 4
- AddAction.index_stabilizerproof · cited by 3
- MonoidHom.surjective_of_card_ker_le_divproof · cited by 2
- Fin.Embedding.exists_embedding_disjoint_range_of_add_le_ENat_cardproof · cited by 2
- Set.powersetCard.nontrivialproof · cited by 2
- Pi.dim_spanSubsetproof · cited by 2
- SubMulAction.IsPreprimitive.isPreprimitive_ofFixingSubgroup_interproof · cited by 1
- Algebra.IsStandardSmoothOfRelativeDimension.exists_etale_mvPolynomialproof · cited by 1
- FiniteField.unitsMap_norm_surjectiveproof · cited by 1
- AddSubgroup.IsComplement.ncard_leftproof · cited by 1