If you have ever heard of Number,Heart this Blog. About Ordinal Numbers
Ordinal Numbers
In set theory, an ordinal number, or ordinal, is one generalization of the concept of a natural number that is used to describe a way to arrange a collection of objects in order, one after another. For example : 1st 2nd 3rd 4th... You can also use ordinal number by telling a person for example : Mathew was first Jack was second..... People be confused at the number 21 whether its 21th or 21st
Is zero a ordinal number?
It is argued that zero should be considered as a cardinal number but not an ordinal number.
Ordinal rules
Ordinals always have a suffix:
'-st' ('first', '21st')
'-nd' ('second', '32nd')
'-rd' ('third', '103rd')
'-th' ('fourth', '15th', '55th' and so on).
Which is the biggest ordinal number?
There is no biggest ordinal number.
How Big is Feferman-Schutte ordinal?
Definition. The Feferman–Schütte ordinal can be defined as the smallest ordinal that cannot be obtained by starting with 0 and using the operations of ordinal addition and the Veblen functions φα(β). That is, it is the smallest α such that φα(0) = α.
