User blog comment:Deedlit11/Extending the fast-growing hierarchy to nonrecursive ordinals/@comment-25418284-20130325203802/@comment-5529393-20130329135929

Hmm, I wonder how Goucher decided that his Xi function reached \(\Phi(1, 0)\). My impression is that it is guesswork. Deedlit11 (talk) 13:59, March 29, 2013 (UTC)