\lozenge
The \lozenge symbol is used to represent a lozenge or diamond shape, often used in mathematical logic, set theory, and modal logic. It can also be used to denote certain operations or relations in various mathematical contexts.
Represents a relation or operation between sets A and B using the lozenge symbol.
A \lozenge B
In modal logic, denotes that the proposition P is possibly true.
\lozenge P
An abstract operation defined using the lozenge symbol.
x \lozenge y = z