A right square bracket delimiter used for enclosing sets, intervals, matrices, and other mathematical groupings.
Examples
Closed interval with mixed brackets
(a,b\rbrack = \{x \mid a < x \leq b\}
Matrix element access notation
A\lbrack i,j\rbrack = a_{ij}
Function evaluation with interval
f(x) = x^2, \quad x \in (0,1\rbrack