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Zulip Chat Archive

Stream: Is there code for X?

Topic: Multiset subset decidability


Yaël Dillies (Oct 26 2021 at 12:27):

Do we have this anywhere?

import data.multiset.basic

instance {α : Type*} [decidable_eq α] : decidable_rel ((⊆) : multiset α → multiset α → Prop) :=
λ s t, multiset.decidable_forall_multiset

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