Zulip Chat Archive
Stream: mathlib4
Topic: gcongr and le
Yury G. Kudryashov (Aug 29 2024 at 21:55):
How can I teach gcongr
to deal with (s : Set _) ≤ t
as s ⊆ t
?
Yury G. Kudryashov (Aug 29 2024 at 21:56):
Some lemmas take Monotone (s : Nat → Set _)
as an argument, and fun s t h => ?_
gives a ≤
goal.
Last updated: May 02 2025 at 03:31 UTC