User blog comment:Googology Noob/Question Mark Notation/@comment-25337554-20160102223947/@comment-1782812-20160105135327

It's really good so far, nice and simple, it has a lot of parallels with my notation, and because it extends the hyperoperators it doesn't have a problem with "junk operations" like mine does. Mine makes it to \(\phi_\omega(0)\) without too much trouble.

I think once you get there, you should see if you can figure out some sort of "bootstrapping" mechanism -- Use question marks as a base, then use the result as a structure of question marks. For instance, how about something like:

a[?[??]c]b

I've been slowly working on something similar with my system, I think I have something but it's really hard to analyse so I haven't been able to tell if it's on track yet. I'm thinking it'll get me all the way to SVO if it works properly.