(greater than or equal to), < (less than), or 
(less than or equal to), or their variants. The symbols >> and << are used to express "much greater than" and "much less than", respectively. [M1.2]
is: a mathematical statement expressing the fact that one number (or algebraic expression) is less than, or greater than, another. [M1.1]
may be combined with: the equality to express "greater than or equal to", or, "less than or equal to".
uses: one or more of the symbols: > (greater than), (greater than or equal to), < (less than), or (less than or equal to), or their variants. The symbols >> and << are used to express "much greater than" and "much less than", respectively. [M1.2]
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