Mathlib v3 is deprecated. Go to Mathlib v4

Theorem direct_sum.of_zero_mul

Modification history

2021-04-14 18:40
src/algebra/direct_sum_graded.lean
feat(algebra/direct_sum_graded): `A 0` is a ring, `A i` is an `A 0`-module, and `direct_sum.of A 0` is a ring_hom (#6851) …
Added direct_sum.of_zero_mulView on Github →