Zulip Chat Archive
Stream: lean4
Topic: Checking if an expression involves an fvar
Adam Topaz (Feb 05 2024 at 19:51):
Suppose I have some e : Expr
, and some id : FVarId
in some local context. Is there some convenient way to check whether the expr associated to id
actually appears somewhere in e
?
Matthew Ballard (Feb 05 2024 at 19:53):
Adam Topaz (Feb 05 2024 at 19:54):
Great! Thanks!
Last updated: May 02 2025 at 03:31 UTC