Theorems · Theorem · combinatorics
Multiset.sub_singleton
∀ {α : Type u_1} [inst : DecidableEq α] (a : α) (s : Multiset α), s - {a} = s.erase a- Defined in
- Mathlib.Data.Multiset.AddSub
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 52 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
Around this declaration
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Cites9
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.countproof · cited by 302
- Multiset.erasestatement and proof · cited by 93
- Multiset.ext'proof · cited by 31
- Multiset.count.congr_simpproof · cited by 22
- Multiset.count_subproof · cited by 12
- Multiset.count_singletonproof · cited by 10
- Multiset.count_erase_of_neproof · cited by 1
- Multiset.count_erase_selfproof · cited by 1
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