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Theorems · Theorem · order theory

Finset.sup_eq_biUnion

∀ {α : Type u_7} {β : Type u_8} [inst : DecidableEq β] (s : Finset α) (t : α → Finset β), s.sup t = s.biUnion t
Defined in
Mathlib.Data.Finset.Lattice.Union
Cited by
7 results in Mathlib
Foundations
Depth 75 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DecidableEq

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Cited by7

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