└ ┘The symbols └ and ┘ are used as delimiters in mathematical expressions to denote a specific type of enclosure, often for grouping terms or indicating a floor function in some contexts. They are less common than standard parentheses or brackets but can be used for stylistic or specific mathematical purposes.
Floor function, rounding down to the nearest integer
\left\lfloor x \right\rfloorInner product or angle brackets, often used in vector notation
\left\langle a, b \right\rangleSet notation, defining a set of real numbers greater than zero
\left\{ x \in \mathbb{R} \mid x > 0 \right\}