Symbols:Symbolic Logic/Deprecated Symbols/And

Deprecated Symbol for Conjunction

 * $\cdot$

And.

A binary operation on two propositions.

$P \cdot Q$ means $P$ is true and $Q$ is true.

In this usage, it is called dot.

An alternative to $P \land Q$, usually used by logicians.

Also see
See Arithmetic and Algebra, Vector Algebra and Abstract Algebra for alternative definitions of this symbol.