Get a sheet of graph paper. Imagine that it goes on forever in 2 of the 4 directions. Name the intersection points in order -- left to right, top to bottom.
What's the name of the first point in the first row? 0
What's the name of the first point in the second row? \omega
How is that more complicated or less interesting than cardinals?
What's the name of the first point in the first row? 0
What's the name of the first point in the second row? \omega
How is that more complicated or less interesting than cardinals?