In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2251 (GEOMETRICALLY EQUAL TO).
In Relations103
All 103 in RelationsThe ≑ symbol (Geometrically equal to, U+2251), written as \doteqdot in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2251 (GEOMETRICALLY EQUAL TO).