pbuk's latest activity

At the time I couldn’t figure out how to make Latex to do ##\approx##. Now I do and I edited the above post. Thanks. Regarding...

Ah yes, of course - obvious once you point it out.

I think that should be ##\approx## Why? I don't see how this diagram helps visualize how the smaller sphere touches the face of the...

Possibly, but I had forgotten its use for alternation. I think Conway's 1971 book did, but other old texts I am familiar with use ##...

Thanks, that also explains the use of ##LaTeX## math formatting. It is a shame that we have had to figure this out for ourselves because...

Comparing with the diagram, I read use of symbol + in any of OP posts to really indicate RE alternation and not Kleene plus, that is...

If an unforeseen condition arises in a game between two players then only those two players can determine what is the most acceptable...

(R+SU*T)*SU* incorrectly rejects STS. Perhaps you intended to post (R*SU*T)*SU*? Note that as I posted in #5 the string STS is also...

You keep posting the same obviously incorrect expression. And you keep posting it using ##LaTeX## math notation which is completely...

Firstly, ##LaTeX## is not helpful for posting regular expressions; for instance it makes + look like a binary operator. Neither of the...