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feat: big-endian equivalence between BitVec w and Fin w -> Bool #8817

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@alexkeizer alexkeizer commented Dec 4, 2023


This completes #8775 with an equivalence for the big-endian case (i.e., in terms of getMsb' and ofBEFn).
Factored out, because it requires the extensionality lemma added in #8773.

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@alexkeizer alexkeizer added the blocked-by-other-PR This PR depends on another PR to Mathlib label Dec 4, 2023
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leanprover-community-mathlib4-bot commented Dec 4, 2023

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blocked-by-other-PR This PR depends on another PR to Mathlib merge-conflict The PR has a merge conflict with master, and needs manual merging.
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