Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2022-10-29 16:02 ae714fd5

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feat(geometry/euclidean/angle/oriented/basic): rotation_rotation (#17235) Add another version of the lemma that rotating twice is equivalent to rotating by the sum of the angles, but for applying rotation twice to a vector rather than combining the isometries with trans.

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