Theorems · Theorem · combinatorics
Finset.eraseNone_image_some
∀ {α : Type u_1} [inst : DecidableEq (Option α)] (s : Finset α), Finset.eraseNone (Finset.image some s) = s- Defined in
- Mathlib.Data.Finset.Option
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 75 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- DecidableEq
Around this declaration
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Cites8
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Finsetstatement and proof · cited by 13,712
- OrderHomstatement · cited by 934
- Finset.imagestatement · cited by 910
- Finset.map_eq_imageproof · cited by 50
- Function.Embedding.someproof · cited by 43
- Finset.eraseNonestatement and proof · cited by 21
- Finset.eraseNone_map_someproof · cited by 1
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