Theorems · Theorem · combinatorics
Multiset.length_ndinsert_of_notMem
∀ {α : Type u_1} [inst : DecidableEq α] {a : α} {s : Multiset α}, a ∉ s → (Multiset.ndinsert a s).card = s.card + 1- Defined in
- Mathlib.Data.Multiset.FinsetOps
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 23 from the axioms · uses propext, Quot.sound
- Assumes
- DecidableEq
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Cites5
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.cardstatement and proof · cited by 375
- Multiset.ndinsertstatement · cited by 24
- Multiset.card_consproof · cited by 19
- Multiset.ndinsert_of_notMemproof · cited by 8
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