Symbols:General/Equals

Equals

$=$

$x = y$ means $x$ is the same object as $y$, and is read $x$ equals $y$, or $x$ is equal to $y$.
$x \ne y$ means $x$ is not the same object as $y$, and is read $x$ is not equal to $y$.

The expression:

$a = b$

means:

$a$ and $b$ are names for the same object.

The $\LaTeX$ code for $=$ is = .

The $\LaTeX$ code for $\ne$ is \ne  or \neq.