Symbols:Symbolic Logic/Deprecated Symbols/Ampersand
Deprecated Symbol for Conjunction
$P \mathop \& Q$ means $P$ is true and $Q$ is true.
An alternative to $P \land Q$, which is what is usually used by logicians.
The $\LaTeX$ code for \(P \mathop \& Q\) is
P \mathop \& Q or
P \mathop \And Q.
Its literal meaning is: and (the symbol $\&$) intrinsically (is the word) and.
The symbol $\&$ itself evolved from the Latin et (for and).