UPPER LEFT CORNER WITH DOT
OPEN SUBSET
OPEN SUPERSET
LEFT S-SHAPED BAG DELIMITER
REVERSE SOLIDUS PRECEDING SUBSET
MATHEMATICAL RISING DIAGONAL
LONG DIVISION
LARGE DOWN TACK
LEFT AND RIGHT DOUBLE TURNSTILE
LEFT MULTIMAP
LONG RIGHT TACK
UP TACK WITH CIRCLE ABOVE
WHITE SQUARE WITH RIGHTWARDS TICK
MATHEMATICAL LEFT WHITE SQUARE BRACKET
MATHEMATICAL LEFT ANGLE BRACKET
MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET