Commit 2022-06-20 00:03 10a52752
View on Github →feat(analysis/normed/group/basic): isometry.norm_map_of_map_zero
(#14836)
Add the lemma that an isometry of semi_normed_group
s that preserves
0 preserves the norm.
feat(analysis/normed/group/basic): isometry.norm_map_of_map_zero
(#14836)
Add the lemma that an isometry of semi_normed_group
s that preserves
0 preserves the norm.