WHITE DIAMOND WITH CENTRED DOT
WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
OPEN SUPERSET
OR WITH DOT INSIDE
REVERSE SOLIDUS PRECEDING SUBSET
SQUARED LOGICAL OR
ELEMENT OF OPENING UPWARDS
LEFT OUTER JOIN
FULL OUTER JOIN
LARGE UP TACK
LEFT AND RIGHT DOUBLE TURNSTILE
MATHEMATICAL LEFT WHITE SQUARE BRACKET
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL LEFT ANGLE BRACKET
MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET