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[Merged by Bors] - feat(geometry/euclidean/angle/oriented/basic): π / 2 rotations and inner product #17687

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@jsm28 jsm28 commented Nov 23, 2022

Add a series of lemmas relating to the inner product of a vector and a π / 2 rotation of that vector being zero, with variants that are convenient for simp and an iff lemma that the inner product is zero if and only if a vector is zero or one is a multiple of a π / 2 rotation of the other.


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…inner product

Add a series of lemmas relating to the inner product of a vector and a
`π / 2` rotation of that vector being zero, with variants that are
convenient for `simp` and an `iff` lemma that the inner product is
zero if and only if a vector is zero or one is a multiple of a `π / 2`
rotation of the other.
@jsm28 jsm28 added the awaiting-review The author would like community review of the PR label Nov 23, 2022
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bors r+
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@github-actions github-actions bot added ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) and removed awaiting-review The author would like community review of the PR labels Nov 24, 2022
bors bot pushed a commit that referenced this pull request Nov 24, 2022
…inner product (#17687)

Add a series of lemmas relating to the inner product of a vector and a `π / 2` rotation of that vector being zero, with variants that are convenient for `simp` and an `iff` lemma that the inner product is zero if and only if a vector is zero or one is a multiple of a `π / 2` rotation of the other.
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bors bot commented Nov 25, 2022

This PR was included in a batch that was canceled, it will be automatically retried

bors bot pushed a commit that referenced this pull request Nov 25, 2022
…inner product (#17687)

Add a series of lemmas relating to the inner product of a vector and a `π / 2` rotation of that vector being zero, with variants that are convenient for `simp` and an `iff` lemma that the inner product is zero if and only if a vector is zero or one is a multiple of a `π / 2` rotation of the other.
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bors bot commented Nov 25, 2022

Pull request successfully merged into master.

Build succeeded:

@bors bors bot changed the title feat(geometry/euclidean/angle/oriented/basic): π / 2 rotations and inner product [Merged by Bors] - feat(geometry/euclidean/angle/oriented/basic): π / 2 rotations and inner product Nov 25, 2022
@bors bors bot closed this Nov 25, 2022
@bors bors bot deleted the jsm28/inner_rotation_pi_div_two branch November 25, 2022 05:27
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