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Bad simp lemmas around polyEquivTensor #20332

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alreadydone opened this issue Dec 29, 2024 · 0 comments
Open

Bad simp lemmas around polyEquivTensor #20332

alreadydone opened this issue Dec 29, 2024 · 0 comments
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t-algebra Algebra (groups, rings, fields, etc)

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@alreadydone
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Many lemmas around polyEquivTensor are not ideal, and I think e.g. PolyEquivTensor.toFunAlgHom_apply_tmul shouldn't simp lemmas as stated; maybe they were introduced when Polynomial.map didn't exist. We could keep them simp lemmas if we fix the right-hand side using Polynomial.map.

First reported here.
@alreadydone alreadydone added the t-algebra Algebra (groups, rings, fields, etc) label Dec 29, 2024
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