Zulip Chat Archive
Stream: new members
Topic: set.sum?
Vaibhav Karve (Feb 25 2020 at 17:06):
Is there a set variant of list.sum
?
Vaibhav Karve (Feb 25 2020 at 17:15):
list.sum
is defined using list.foldl
but there is no set variant of that either.
Scott Morrison (Feb 25 2020 at 17:22):
finset.sum
, defined in algebra/big_operators.lean
?
Scott Morrison (Feb 25 2020 at 17:23):
Remember a general set
need not be finite!
Last updated: May 02 2025 at 03:31 UTC