leanprover-community / mathlib

  • Home
  • Zulip archive
  • API documentation
  • Lean web editor
  • Links

Zulip Chat Archive

Stream: general

Topic: casing on set


Bernd Losert (Jun 14 2022 at 20:02):

Is there a tactic or something for casing on sets? I want to have two cases: the case where the set is empty and the case where it isn't.

Yaël Dillies (Jun 14 2022 at 20:02):

docs#set.eq_empty_or_nonempty

Bernd Losert (Jun 14 2022 at 20:03):

Ah, great. Thanks.


Last updated: May 02 2025 at 03:31 UTC

Theme Simple by wildflame © 2016 Powered by jekyll