⋚

Symbol

 * 1) less than, equal to, or greater than
 * If the function f is differentiable and concave, then f′(x1)⋚f′(x2) as x1⋛x2. That is f′(x1) and f′(x2) have the opposite relation as x1 and x2.

Related terms

 * (synonymous when used on its own, but antonymous when used jointly)