On 3/13/07, Mohsen Ravanbakhsh <[EMAIL PROTECTED]> wrote: *Why? "Mathematical" means nothing but not self-contradictory. Sherlock > Holmes stories are mathematical. That doesn't mean Sherlock Holmes exists > in some Platonic realm. > * > > Brent, > > What do you mean by that? I do not get your point. > Anyway I do not insist that it should be realizable. But I have examples > in which we need them! > Consider the use of Pythagoras theorem in nature. There are many cases in > which the distance between two points should be irrational. >
Not necessarily. If you draw a diagonal on a square on a computer screen, it will be made up of a discrete number of pixels despite what Pythagoras' theorem calculates. Irrational in the real world may just be an illusion. Stathis Papaioannou --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list?hl=en -~----------~----~----~----~------~----~------~--~---

