\lneq
The symbol \lneq is used to denote 'less than or not equal to' in mathematical expressions. It is a negated relation that combines the concepts of 'less than' and 'not equal to', indicating that one quantity is either less than or not equal to another.
Indicates that x is less than or not equal to y.
x \lneq y
Shows that the square of a is less than or not equal to the square of b.
a^2 \lneq b^2
Expresses that the sum of m and n is less than or not equal to p.
m+n \lneq p