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Commit 2022-04-05 05:20 429c6e35

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chore(topology/algebra/infinite_sum): weaken from equiv to surjective (#13164)

Estimated changes

Modified src/topology/algebra/infinite_sum.lean

deleted theorem equiv.summable_iff_of_has_sum_iff

deleted theorem equiv.tsum_eq_tsum_of_has_sum_iff_has_sum

added theorem function.surjective.summable_iff_of_has_sum_iff

added theorem function.surjective.tsum_eq_tsum_of_has_sum_iff_has_sum