In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+21D2 (RIGHTWARDS DOUBLE ARROW).
\to\rightarrow\longrightarrow\mapsto\xrightarrow\Rightarrow\Leftrightarrow\leftarrow\longmapsto\hookrightarrow\Longrightarrow\implies
\RightarrowSymbol
The ⇒ symbol (Rightwards double arrow, U+21D2), written as \Rightarrow in LaTeX math mode.