Theorems · Theorem · order theory

Concept.extent_sSup

∀ {α : Type u_2} {β : Type u_3} {r : α → β → Prop} (S : Set (Concept α β r)),
  (sSup S).extent = lowerPolar r (⋂ i ∈ S, i.intent)

Defined in

Mathlib.Order.Concept

Cited by

1 results in Mathlib

Foundations

Depth 69 from the axioms · uses propext, Classical.choice, Quot.sound