In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+211C (BLACK-LETTER CAPITAL R).
See also#
\backslashbase\lnotbase\negbase\Recommand
The ℜ symbol (Black-letter capital r, U+211C), written as \Re in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+211C (BLACK-LETTER CAPITAL R).
\backslash base\lnot base\neg base\Re command