he inventor of the Kleene closure and, as far as I know, Kleenex. Don't read that one. I swear I've tried 20 times, and never made it past chapter 2. If anyone has a recommendation for a better introduction to this field, please post a comment. It's obviously important

t a lot of mileage out of that thread thank you, but my other

nks out loud about what he just wrote and what to do next, double checking his work, making and correcting the occasional error, all greatly enhance the pedagogic impact.

ubjects are usefully treated with tool