Sort - Greater Than operator

greater is a comparison operator that creates a binary relationship.

The relation greater than or equal to (>=) on the set of integers {1, 2, 3} is the following set of tuple

<1, 1>, 
<2, 1>, 
<3, 1>, 
<2, 2>, 
<3, 2>, 
<3, 3>

The relationship greater than or equal between y and x (ie y >= x) can be represented in the set <math>R</math> against <math>R^2</math> as the below gray area: