That's why it's an interesting post to me, since this guy came up with a clever device (and I think internally self-consistent device) that lets him argue to th

That's why it's an interesting post to me, since this guy came up with a clever device (and I think internally self-consistent device) that lets him argue to the contrary. And to answer your question, a number between 0.9 repeating and one is 0.999...5 (yes this is 9 recurring with a five at the end) :)