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Theorem quaternion.norm_sq_zero

Modification history

2020-11-17 12:21
src/data/quaternion.lean
feat(algebra/group_with_zero): Bundled `monoid_with_zero_hom` (#4995) …
Deleted quaternion.norm_sq_zeroView on Github →
2020-11-04 05:43
src/data/quaternion.lean
feat(data/quaternion): define quaternions and prove some basic properties (#2339)
Added quaternion.norm_sq_zeroView on Github →