Theorems · Theorem · combinatorics
Multiset.Nodup.erase
∀ {α : Type u_1} [inst : DecidableEq α] (a : α) {l : Multiset α}, l.Nodup → (l.erase a).Nodup- Defined in
- Mathlib.Data.Multiset.AddSub
- Cited by
- 1 results in Mathlib
- Foundations
- Depth 25 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
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.Nodupstatement · cited by 148
- Multiset.erasestatement · cited by 93
- Multiset.nodup_of_leproof · cited by 10
- Multiset.erase_leproof · cited by 4
Cited by1
Results whose statement or proof uses this declaration.
- Algebra.discr_powerBasis_eq_normproof · cited by 1