On 3/14/07, Torgny Tholerus <[EMAIL PROTECTED]> wrote: > > Stathis Papaioannou skrev: > > On 3/13/07, Mohsen Ravanbakhsh <[EMAIL PROTECTED]> wrote: > > > *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. * > > I was trying to mark a distance in real world which is irrational > > according to a rational unit(Width of pixels), and for such diagonal the > > distance is an irrational number, although it might be made up of rational > > numbers of another irrational unit (diagonal pixels) > > I mean there's some irrational distance out there! > > > > How can you be sure? Maybe space is discrete. > > Yes, space (and time) is discrete. Everything in the universe is finite, > and the universe itself is finite. Infinity is a logically impossible > concept. >
I don't see that "discrete" and "finite" necessarily go together. The integers are discrete, but not finite. 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 -~----------~----~----~----~------~----~------~--~---
