Mathlib Map

Theorems · Theorem · combinatorics

Finset.image_some_eraseNone

∀ {α : Type u_1} [inst : DecidableEq (Option α)] (s : Finset (Option α)),
  Finset.image some (Finset.eraseNone s) = s.erase none
Defined in
Mathlib.Data.Finset.Option
Cited by
1 results in Mathlib
Foundations
Depth 76 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
DecidableEq
Mathlib docsSourceLoogleLeanSearch

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Finset.map_some_eraseNone · cited by 3Finset.map_some_eraseNoneDFunLike.coe · cited by 62936DFunLike.coeFinset · cited by 13712FinsetOrderHom · cited by 934OrderHomFinset.image · cited by 910Finset.imageFinset.ext · cited by 565Finset.extFinset.erase · cited by 455Finset.eraseFinset.eraseNone · cited by 21Finset.eraseNoneFinset.image_some_eraseNoneCITED BYCITES

Cites7

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by1

Results whose statement or proof uses this declaration.