Oct 31, 2018 #1 highmath Messages 35 Reaction score 0 How many ways we can order numbers? Is there infinity ways to order numbers? Is there a proof of it?
Nov 1, 2018 #2 Evgeny.Makarov Gold Member MHB Messages 2,434 Reaction score 4 Well, two numbers, for example, can be ordered in two ways. If we allow partial orders, that is, allow elements $x$ and $y$ such that none of $x<y$, $y<x$ and $x=y$ holds, then there are three ways to order two numbers.
Well, two numbers, for example, can be ordered in two ways. If we allow partial orders, that is, allow elements $x$ and $y$ such that none of $x<y$, $y<x$ and $x=y$ holds, then there are three ways to order two numbers.