\downarrowThe `\downarrow` symbol is used to represent a downward arrow. It is often used in mathematical contexts to indicate direction, such as in limits, sequences, or logical statements.
A sequence \(x_n\) converging to 0 from above.
x_n \downarrow 0Logical notation indicating that A implies B in a downward manner.
A \downarrow BA function \(f\) mapping from set X to set Y, with emphasis on direction.
f: X \downarrow Y