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Theorem quaternion.norm_mul

Modification history

2022-03-17 22:40
src/analysis/quaternion.lean
feat(analysis/normed_space/basic): add `normed_division_ring` (#12132) …
Deleted quaternion.norm_mulView on Github →
2020-11-04 05:43
src/analysis/quaternion.lean
feat(data/quaternion): define quaternions and prove some basic properties (#2339)
Added quaternion.norm_mulView on Github →