Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.nonempty.to_subtype

Modification history

2022-12-05 00:55
src/data/set/basic.lean
chore(data/{finset,set}/basic): Align lemmas (#17805) …
Modified set.nonempty.to_subtypeView on Github →
2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Added set.nonempty.to_subtypeView on Github →