Le 20-nov.-07, à 17:59, meekerdb a écrit :

> > Bruno Marchal wrote: >> . >> >> But infinite ordinals can be different, and still have the same >> cardinality. I have given examples: You can put an infinity of linear >> well founded order on the set N = {0, 1, 2, 3, ...}. > > What is the definition of "linear well founded order"? I'm familiar > with "well ordered", but how is "linear" applied to sets? Just > curious. By linear, I was just meaning a non branching order. A tree can be well founded too, meaning all its branches have a "length" given by an ordinal. Bruno http://iridia.ulb.ac.be/~marchal/ --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---