In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+22A4 (DOWN TACK).
See also#
\backslashbase\lnotbase\negbase
The ⊤ symbol (Down tack, U+22A4), written as \top in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+22A4 (DOWN TACK).
\backslash base\lnot base\neg base