On Mon, Dec 14, 2009 at 2:23 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > It's been too long since college math classes for me to be sure whether > "discrete" is really the exact term here. But I'm even more suspicious > of "countable". I think a suitable diagonalization argument might show > that strings are countable. That's getting a bit off-topic though...
It's actually a dovetailing argument, not a diagonalization argument, but yes, the set of strings is most certainly countable. ...Robert (former CS theory teaching assistant) -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
