Set.encard_le_chainHeight_of_isChain

∀ {α : Type u_1} {r : α → α → Prop} (s t : Set α), t ⊆ s → IsChain r t → t.encard ≤ s.chainHeight r

Defined in: Mathlib.Order.Height
Cited by: 6 results in Mathlib
Foundations: Depth 91 from the axioms · uses propext, Classical.choice, Quot.sound

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