From: twifkak@... Date: 2005-06-18T00:56:07+09:00 Subject: Re: Truth maintenance system in Ruby Just to introduce a bit of seriousness here (you can go back to making your silly jokes afterwards), I think he's talking about the kind of thing they teach in AI class where you type "a dog is an animal" and "a terrier is a dog", and later ask "is a terrier an animal?". It's named after some guy (true story). Devin > Ara.T.Howard wrote: > > On Sat, 18 Jun 2005, Curt Hibbs wrote: > >> itsme213 wrote: > >>> Anyone know of any kind of truth-maintenance system implemented in > >>> Ruby (or, > >>> alternately, easily accessible from Ruby)? > >> > >> What is a truth-maintenance system? > > > > the kgb? > > > > ;-) > > loop do > true = true unless true > end > > :-) > > robert