\gvertneqq
The symbol \gvertneqq is used to denote a strict inequality where one quantity is not only greater than another but also not equal to it. It is a negated relation symbol that combines the greater-than symbol with a negation of equality.
Indicates that x is greater than y and x is not equal to y.
x \gvertneqq y
Shows that the square of a is greater than and not equal to the square of b.
a^2 \gvertneqq b^2
Represents that the function f(x) is greater than and not equal to the function g(x) for certain values of x.
f(x) \gvertneqq g(x)