In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+22E1 (DOES NOT SUCCEED OR EQUAL).
The ⋡ symbol (Does not succeed or equal, U+22E1), written as \nsucceq in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+22E1 (DOES NOT SUCCEED OR EQUAL).