\blacktriangledownThe symbol \blacktriangledown is used to represent a downward-pointing black triangle. It is often used in mathematical contexts to denote a specific operation, relation, or to highlight a particular point in a diagram or equation.
Represents a specific operation or relation between A and B using the black triangle symbol.
A \blacktriangledown BIndicates that the solution or important point is marked by the black triangle symbol.
\text{The solution is marked by } \blacktriangledownUsed in diagrams to show a downward direction or flow.
\blacktriangledown \text{ indicates a downward direction or flow in a diagram}