\nlessThe symbol \nless is used to denote that one quantity is not less than another. It is a negated relation symbol, often used in mathematical expressions to indicate that a certain inequality does not hold.
Indicates that x is not less than y.
x \nless yStates that the sum of squares of a and b is not less than the square of c.
a^2 + b^2 \nless c^2Expresses that m is not less than n.
m \nless n