Theorems · Theorem · combinatorics
Finset.coe_nonempty
∀ {α : Type u_1} {s : Finset α}, (↑s).Nonempty ↔ s.Nonempty- Defined in
- Mathlib.Data.Finset.Empty
- Cited by
- 18 results in Mathlib
- Foundations
- Depth 55 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.
- Finsetstatement and proof · cited by 13,712
- SetLike.coestatement · cited by 8,199
- Set.Nonemptystatement · cited by 2,627
- Finset.Nonemptystatement · cited by 1,001
Cited by18
Results whose statement or proof uses this declaration.
- Finset.image₂_nonempty_iffproof · cited by 14
- Finset.Nonempty.to_setproof · cited by 7
- Finset.image_constproof · cited by 5
- Finset.nonempty_Iccproof · cited by 3
- Finset.univ_nonempty_iffproof · cited by 2
- Set.powersetCard.coe_nonempty_iffproof · cited by 2
- Finset.card_le_card_of_forall_subsingletonproof · cited by 2
- Set.toFinset_nonemptyproof · cited by 2
- Set.Finite.toFinset_nonemptyproof · cited by 2
- Finset.coe_infsepproof · cited by 2
- Dynamics.IsDynCoverOf.iterate_le_powproof · cited by 2
- Finset.nonempty_Icoproof · cited by 1