\xtwoheadrightarrow{abc}The command \xtwoheadrightarrow{abc} is used in LaTeX to create an extensible arrow with two heads pointing to the right, and it can be labeled with text, such as 'abc'. This is particularly useful in mathematical expressions where you want to denote a mapping or transformation that is emphasized by the double-headed arrow.
Indicates a transformation or mapping from A to B labeled 'abc'.
A \xtwoheadrightarrow{abc} BRepresents a function f mapping set X to set Y with emphasis.
X \xtwoheadrightarrow{f} YDenotes a morphism \phi from object M to object N in category theory.
M \xtwoheadrightarrow{\phi} N