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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!


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