units): better defeq in `is_unit.lift_right` (#13508)

Commit

4 years ago

fix(algebra/hom/units): better defeq in `is_unit.lift_right` (#13508) … and fix a timeout introduced by this change and remove some extraneous parentheses there.

Author

alreadydone

Parents

5a4bae11

mathlib 3e78c237 - fix(algebra/hom/units): better defeq in `is_unit.lift_right` (#13508)

mathlib
3e78c237 - fix(algebra/hom/units): better defeq in `is_unit.lift_right` (#13508)