\smallfrownThe \smallfrown symbol is used to denote a relation that resembles a small frown or arc. It is often used in mathematics to represent specific types of relations or operations, such as the relation between elements in a set or a specific operation in algebra or geometry.
Represents a relation between elements A and B that is denoted by a small frown.
A \smallfrown BIndicates a specific type of relation or operation between x and y.
x \smallfrown yUsed to show a relation between propositions P and Q in logic or set theory.
P \smallfrown Q