Mathlib v3 is deprecated. Go to Mathlib v4

Theorem set.prod_ne_empty_iff

Modification history

2020-02-05 06:25
src/data/set/basic.lean
refactor(*): migrate from `≠ ∅` to `set.nonempty` (#1954) …
Deleted set.prod_ne_empty_iffView on Github →
2019-12-05 01:31
src/data/set/basic.lean
feat(data/set/basic): define `set.nonempty` (#1779) …
Added set.prod_ne_empty_iffView on Github →