- $=$
- $x = y$ 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 $x$ does not equal $y$, or $x$ 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
.
Sources