In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2661 (WHITE HEART SUIT).
See also#
\backslashbase\lnotbase\negbase
The ♡ symbol (White heart suit, U+2661), written as \heartsuit in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2661 (WHITE HEART SUIT).
\backslash base\lnot base\neg base