Symbols:Symbolic Logic/Deprecated Symbols/Ampersand
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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
.
Linguistic Note
The word ampersand is an elision, which evolved via an interesting linguistic process from and per se and.
Its literal meaning is: and (the symbol $\&$) intrinsically (is the word) and.
The symbol $\&$ itself evolved from the Latin et (for and).