\lneqq
The symbol \lneqq is used in mathematical expressions to denote 'is not less than or equal to'. It is a negated relation symbol that indicates that one quantity is neither less than nor equal to another.
Indicates that x is not less than or equal to y.
x \lneqq y
Shows that the sum of squares of a and b is not less than or equal to the square of c.
a^2 + b^2 \lneqq c^2
Expresses that n is not less than or equal to m plus 1.
n \lneqq m + 1