Mathlib v3 is deprecated. Go to Mathlib v4

Theorem frontier_closed_ball

Modification history

2022-02-24 00:25
src/analysis/normed_space/basic.lean
feat(analysis/normed_space/basic): use weaker assumptions (#12260) …
Modified frontier_closed_ballView on Github →
2022-01-16 13:30
src/analysis/normed_space/basic.lean
refactor(analysis/normed_space): merge `normed_space` and `semi_normed_space` (#8218) …
Modified frontier_closed_ballView on Github →
2021-03-31 09:30
src/analysis/normed_space/basic.lean
refactor(analysis/normed_space/basic): add semi_normed_ring (#6889) …
Modified frontier_closed_ballView on Github →
2020-05-19 09:58
src/analysis/normed_space/basic.lean
feat(analysis/normed_space): interior of `closed_ball` etc (#2723) …
Added frontier_closed_ballView on Github →