Theorems · Theorem · logic and foundations
Nat.card_pos_iff
∀ {α : Type u_1}, 0 < Nat.card α ↔ Nonempty α ∧ Finite α- Defined in
- Mathlib.SetTheory.Cardinal.Finite
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 95 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites2
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
Cited by6
Results whose statement or proof uses this declaration.
- Nat.card_posproof · cited by 36
- finite_zmultiplesproof · cited by 3
- PiTensorProduct.ext_of_span_eq_topproof · cited by 2
- Subgroup.orderOf_le_cardproof · cited by 1
- AddSubgroup.addOrderOf_le_cardproof · cited by 1
- FiniteField.isSplittingField_of_nat_card_eqproof · cited by 0