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A quantity $a$ is said to be less than $b$ if $a$ is smaller than $b$, written $a<b$. If $a$ is less than or Equal to $b$, the relationship is written $a\leq b$. If $a$ is Much Less than $b$, this is written $a\ll b$. Statements involving Greater than and less than symbols are called Inequalities.

See also Equal, Greater, Inequality, Much Greater, Much Less

© 1996-9 Eric W. Weisstein