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[Merged by Bors] - feat(data/dfinsupp): add arithmetic lemmas about filter#9175
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eric-wieser wants to merge 4 commits intomasterfrom
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[Merged by Bors] - feat(data/dfinsupp): add arithmetic lemmas about filter#9175eric-wieser wants to merge 4 commits intomasterfrom
eric-wieser wants to merge 4 commits intomasterfrom
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Also golf some uses of `quotient.lift_on` to use `quotient.map`.
…uotient.lift_on`" This reverts commit 7f136ef.
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This adds `dfinsupp.filter_{zero,add,neg,sub,smul}` and `dfinsupp.subtype_domain_smul`, along with some bundled maps.
This also cleans up some variable explicitness.
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This adds
dfinsupp.filter_{zero,add,neg,sub,smul}anddfinsupp.subtype_domain_smul, along with some bundled maps.This also cleans up some variable explicitness.
I need
filter_add_monoid_homin order to state absuprversion ofadd_submonoid.supr_eq_mrange_dfinsupp_sum_add_hom