Symbols:Symbolic Logic/Deprecated Symbols/Ampheck

Logical NOR

 * $\curlywedge$

Logical NOR.

A binary operation on two propositions.

$P \curlywedge Q$ means neither $P$ nor $Q$.

Also see
The usual ways of expressing neither $P$ nor $Q$ nowadays are:
 * $\neg \paren {P \lor Q}$


 * $\overline {P \lor Q}$


 * $P \downarrow Q$