Mathlib Changelog
v3
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Mathlib v3 is deprecated.
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Theorem
quaternion.norm_sq_eq_norm_square
Modification history
2021-04-28 19:37
src/analysis/quaternion.lean
chore(*): use `sq` as convention for "squared" (#7368) …
Deleted
quaternion.norm_sq_eq_norm_square
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2020-11-04 05:43
src/analysis/quaternion.lean
feat(data/quaternion): define quaternions and prove some basic properties (#2339)
Added
quaternion.norm_sq_eq_norm_square
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