\rightarrow
The right arrow symbol (\rightarrow) is used in mathematics and logic to denote implication, mapping, or transformation. It is often used to show the direction of a function or a logical consequence.
Function f maps set X to set Y
f: X \rightarrow Y
Transformation of x to its square
x \rightarrow x^2
Logical implication from A to B
A \rightarrow B