Mathlib v3 is deprecated. Go to Mathlib v4

Theorem pi.sum_norm_apply_le_norm

Modification history

2022-10-06 17:50
src/analysis/normed/group/basic.lean
feat(analysis/normed/group/basic): Multiplicative, noncommutative normed groups (#15705) …
Deleted pi.sum_norm_apply_le_normView on Github →
2022-07-24 16:34
src/analysis/normed/group/basic.lean
chore(*): Rename `normed_group` to `normed_add_comm_group` (#15619) …
Modified pi.sum_norm_apply_le_normView on Github →
2022-04-25 06:23
src/analysis/normed/group/basic.lean
chore(analysis/normed_space/finite_dimension): extract some lemmas from existentials (#13600) …
Added pi.sum_norm_apply_le_normView on Github →