Commit 2022-05-21 08:14 fc19a4e4
View on Github →feat({data/finset,order/filter}/pointwise): Multiplicative action on pointwise monoids (#14214)
mul_action
, distrib_mul_action
, mul_distrib_mul_action
instances for finset
and filter
. Also delete set.smul_add_set
because smul_add
proves it.