Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!uwm.edu!uwvax!daffy!khan.cs.wisc.edu!quale From: quale@khan.cs.wisc.edu (Douglas E. Quale) Newsgroups: comp.lang.misc Subject: Re: Halting Problem Solved! Film at 11! (Was Re: definitions) Message-ID: <1991May5.135342.13792@daffy.cs.wisc.edu> Date: 5 May 91 13:53:42 GMT References: <30040@dime.cs.umass.edu> <30082@dime.cs.umass.edu> Sender: news@daffy.cs.wisc.edu (The News) Organization: University of Wisconsin -- Madison Lines: 18 In article <30082@dime.cs.umass.edu> yodaiken@chelm.cs.umass.edu (victor yodaiken) writes: > >Real computers correspond to finite state machines not turing machines, >thus the halting problem is trivially (in theory of course, not in >practice) solvable for real computers. If you provide a formal and later >turing machines. This does not mean that there is no algorithm for >solving the halting problem for all interesting cases. Turing's Naturally ``interesting'' is a subjective term, but I find the busy beaver problem interesting, and it's unsolvable. I should also point out that real computers are *not* finite state machines. -- Doug Quale quale@khan.cs.wisc.edu