Commit 2021-01-27 08:41 31edca86

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chore(data/finsupp,data/dfinsupp,algebra/big_operators): add missing lemmas about sums of bundled functions (#5834) This adds missing lemmas about how {finset,finsupp,dfinsupp}.{prod,sum} acts on {coercion,application,evaluation} of {add_monoid_hom,monoid_hom,linear_map}. Specifically, it:

adds the lemmas:
- monoid_hom.coe_prod
- monoid_hom.map_dfinsupp_prod
- monoid_hom.dfinsupp_prod_apply
- monoid_hom.finsupp_prod_apply
- monoid_hom.coe_dfinsupp_prod
- monoid_hom.coe_finsupp_prod
- that are the additive versions of the above for add_monoid_hom.
- linear_map.map_dfinsupp_sum
- linear_map.dfinsupp_sum_apply
- linear_map.finsupp_sum_apply
- linear_map.coe_dfinsupp_sum
- linear_map.coe_finsupp_sum
Renames linear_map.finsupp_sum to linear_map.map_finsupp_sum for consistency with linear_map.map_sum.
Adds a new monoid_hom.coe_fn definition