Mathlib v3 is deprecated. Go to Mathlib v4

Theorem ennreal.sub_mul

Modification history

2020-03-02 16:19
src/data/real/ennreal.lean
chore(data/real/ennreal): weaker assumptions in `sub_mul`, add `coe_inv_le` (#2074)
Modified ennreal.sub_mulView on Github →
2019-12-15 21:28
src/data/real/ennreal.lean
feat(data/real/ennreal): more lemmas, `*_cast` tags, use `lift` tactic (#1754) …
Added ennreal.sub_mulView on Github →