In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+25B3 (WHITE UP-POINTING TRIANGLE).
\bigtriangleupSymbol
The △ symbol (White up-pointing triangle, U+25B3), written as \bigtriangleup in LaTeX math mode.
The △ symbol (White up-pointing triangle, U+25B3), written as \bigtriangleup in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+25B3 (WHITE UP-POINTING TRIANGLE).