The Superset Of symbol (⊃). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Math.
The quickest way is to copy ⊃ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
⊃ is U+2283 (decimal 8835).
Use ⊃ in HTML to render ⊃ on a web page.
On Windows you can type it with Alt+8835 (hold Alt and enter the number on the numeric keypad).
Yes — copying is completely free and unlimited, and works right in your browser with no sign-up.