mathlib

6aa5572e - feat(algebra/module): `f : E →+ F` is `ℚ`-linear (#2215)

feat(algebra/module): `f : E →+ F` is `ℚ`-linear (#2215) * feat(algebra/module): `f : E →+ F` is `ℚ`-linear Also cleanup similar lemmas about `ℕ` and `ℤ`. * Fix a typo Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>