\UparrowThe \Uparrow symbol is used to represent a double upward arrow. It is often used in mathematics and logic to denote various operations or relations, such as the upward closure in order theory or to indicate a transformation or transition in state diagrams.
Indicates a transition from state A to state B in a state diagram.
A \Uparrow BRepresents that x is in the upward closure of set S.
x \in \Uparrow SDenotes a logical operation or relation between propositions P and Q.
P \Uparrow Q