Theorems · Theorem · combinatorics
Multiset.countP_attach
∀ {α : Type u_1} (p : α → Prop) [inst : DecidablePred p] (s : Multiset α),
Multiset.countP (fun a => p ↑a) s.attach = Multiset.countP p s- Defined in
- Mathlib.Data.Multiset.Count
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 19 from the axioms · uses propext, Quot.sound
- Assumes
- DecidablePred
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.
- Multisetstatement and proof · cited by 2,627
- Multiset.ofListproof · cited by 290
- Multiset.attachstatement · cited by 31
- Multiset.countPstatement and proof · cited by 28
Cited by1
Results whose statement or proof uses this declaration.
- Multiset.count_attachproof · cited by 4