The Double Vertical Bar Double Right Turnstile 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+22AB (decimal 8875).
Use ⊫ in HTML to render ⊫ on a web page.
On Windows you can type it with Alt+8875 (hold Alt and enter the number on the numeric keypad).
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