inf_mem_countableInfClosure

∀ {α : Type u_2} {s : Set α} {a b : α} [inst : SemilatticeInf α], a ∈ s → b ∈ s → a ⊓ b ∈ countableInfClosure s

Defined in: Mathlib.Order.CountableSupClosed
Cited by: 0 results in Mathlib
Foundations: Depth 81 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: SemilatticeInf

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