Skip to main content
6 events
when toggle format what by license comment
Aug 18, 2013 at 18:20 history edited Asaf Karagila CC BY-SA 3.0
added 1 characters in body
Aug 18, 2013 at 13:34 comment added Joel David Hamkins I guess the same idea works for $\Delta^1_n$ for any $n$.
Aug 18, 2013 at 13:21 comment added Noah Schweber Well, that certainly explains why I couldn't prove my claim. :) (I've changed the title of the question, just to avoid future confusion.) Thanks for the clear answer!
Aug 18, 2013 at 13:14 vote accept Noah Schweber
Aug 17, 2013 at 23:53 history edited Joel David Hamkins CC BY-SA 3.0
A should be Delta^1_2
Aug 17, 2013 at 22:03 history answered Joel David Hamkins CC BY-SA 3.0