Theorems · Theorem · logic and foundations
Set.encard_pos
∀ {α : Type u_1} {s : Set α}, 0 < s.encard ↔ s.Nonempty- Defined in
- Mathlib.Data.Set.Card
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 94 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- ENatstatement · cited by 4,985
- Set.Nonemptystatement and proof · cited by 2,627
- Set.encardstatement · cited by 327
- pos_iff_ne_zeroproof · cited by 180
- Set.encard_ne_zeroproof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- Set.encard_ne_zero_of_memproof · cited by 1
- Set.Nonempty.encard_posproof · cited by 0