[tex] a < b[/tex] ---> a is less than b [tex] a \le b [/tex] ---> a is less than or equal to b [tex] a > b[/tex] ---> a is greater than b [tex] a \ge b [/tex] ---> a is greater than or equal to b
For the second and fourth lines above, the two sides may or may not be equal. For the first and third lines above, the two sides cannot be equal.
