\DoteqThe symbol \Doteq is used to denote a relation that is defined to be equal or approximately equal. It is often used in mathematical contexts where an equation is defined or established by convention.
Indicates that 'a' is defined to be equal to 'b'.
a \Doteq bDefines the function f(x) to be equal to g(x) by convention.
f(x) \Doteq g(x)Establishes that x is defined as the sum of y and z.
x \Doteq y + z