leanprover-community / mathlib

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

Zulip Chat Archive

Stream: lean4

Topic: unique constituent of the unit


Dean Young (Dec 14 2022 at 18:57):

I'm looking for answers to these two questions in Lean 4:

def point : Unit := ???
def uniqueness : forall (x : Unit), forall (y : Unit), (x = y) := ???

Kevin Buzzard (Dec 14 2022 at 19:25):

You double-posted. Answer here.


Last updated: May 02 2025 at 03:31 UTC

Theme Simple by wildflame © 2016 Powered by jekyll