In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+25BD (WHITE DOWN-POINTING TRIANGLE).
\bigtriangledownSymbol
The ▽ symbol (White down-pointing triangle, U+25BD), written as \bigtriangledown in LaTeX math mode.
The ▽ symbol (White down-pointing triangle, U+25BD), written as \bigtriangledown in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+25BD (WHITE DOWN-POINTING TRIANGLE).