Zulip Chat Archive
Stream: Is there code for X?
Topic: coercion from Z to R
Vasily Ilin (Jun 30 2022 at 04:57):
How do I prove the example below?
example : (0 : ℝ) = ↑(0:ℤ) := by refl -- does not work
Johan Commelin (Jun 30 2022 at 05:14):
by norm_cast
Last updated: May 02 2025 at 03:31 UTC