Theorems · Theorem · logic and foundations
Countable.of_equiv
∀ {β : Sort v} (α : Sort u_1) [Countable α] (e : α ≃ β), Countable β- Defined in
- Mathlib.Data.Countable.Defs
- Cited by
- 4 results in Mathlib
- Foundations
- Depth 15 from the axioms · uses Quot.sound
- Assumes
- Countable
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.
- Equivstatement and proof · cited by 8,337
- Equiv.symmproof · cited by 3,681
- Countablestatement and proof · cited by 633
- Equiv.injectiveproof · cited by 464
- Function.Injective.countableproof · cited by 10
Cited by4
Results whose statement or proof uses this declaration.
- Set.Countable.prodproof · cited by 6
- Equiv.countable_iffproof · cited by 2
- countable_prod_swapproof · cited by 1
- Set.countable_univ_piproof · cited by 1