ForMyThunder Messages 149 Reaction score 0 Thread starter Feb 3, 2011 #1 If [tex]\Omega[/tex] is the set of all ordinals, what is the order type of [tex]\Omega[/tex]?
Hurkyl Staff Emeritus Science Advisor Gold Member Messages 14,922 Reaction score 28 Feb 3, 2011 #2 Any answer would suffice, since your question is vacuous -- no set contains all ordinals.
micromass Staff Emeritus Science Advisor Homework Helper Insights Author Messages 22,170 Reaction score 3,335 Feb 3, 2011 #3 Hurkyl is right, no set contains all the ordinals. But the notation [tex]\Omega[/tex] is often used to denote the set of all countable ordinals. That's probably what you mean...
Hurkyl is right, no set contains all the ordinals. But the notation [tex]\Omega[/tex] is often used to denote the set of all countable ordinals. That's probably what you mean...