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[Merged by Bors] - feat(analysis/normed_space/add_torsor_bases): the convex hull has non-empty interior iff the affine span is top #9727
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Specifically: * Explicitl variables * Change lemma above to also use `coe` for consistency * Use `span_eq_of_le` for shorter proof
…vex hull of an affine spanning set is non-empty Formalized as part of the Sphere Eversion project.
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bors d+
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bors merge |
…-empty interior iff the affine span is top (#9727) Formalized as part of the Sphere Eversion project. Co-authored-by: Patrick Massot <patrickmassot@free.fr>
Pull request successfully merged into master. Build succeeded: |
…-empty interior iff the affine span is top (#9727) Formalized as part of the Sphere Eversion project. Co-authored-by: Patrick Massot <patrickmassot@free.fr>
Formalized as part of the Sphere Eversion project.
exists_linear_independent
#9708exists_affine_independent
#9747