ELEMENT OF OPENING UPWARDS
OPEN SUPERSET
LEFT S-SHAPED BAG DELIMITER
RIGHT S-SHAPED BAG DELIMITER
SUPERSET PRECEDING SOLIDUS
MATHEMATICAL RISING DIAGONAL
SQUARED LOGICAL AND
AND WITH DOT
LOWER RIGHT CORNER WITH DOT
LARGE DOWN TACK
LEFT AND RIGHT DOUBLE TURNSTILE
LOZENGE DIVIDED BY HORIZONTAL RULE
MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET
MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET
MATHEMATICAL RIGHT FLATTENED PARENTHESIS