\geqqThe symbol \geqq is used to denote 'greater than or equal to' in mathematical expressions. It is a relation that indicates one quantity is either greater than or exactly equal to another.
x is greater than or equal to y.
x \geqq yThe sum of squares of a and b is greater than or equal to the square of c.
a^2 + b^2 \geqq c^2n is a non-negative integer, meaning it is greater than or equal to zero.
n \geqq 0