In TeXForm#
TeXForm parses this entry as a character leaf mapped to U+2290 (SQUARE ORIGINAL OF).
In Relations103
All 103 in Relations\sqsupsetSymbol
The ⊐ symbol (Square original of, U+2290), written as \sqsupset in LaTeX math mode.
The ⊐ symbol (Square original of, U+2290), written as \sqsupset in LaTeX math mode.
TeXForm parses this entry as a character leaf mapped to U+2290 (SQUARE ORIGINAL OF).