SQUARED LOGICAL AND
WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
OPEN SUBSET
OPEN SUPERSET
LEFT S-SHAPED BAG DELIMITER
OR WITH DOT INSIDE
SUPERSET PRECEDING SOLIDUS
WHITE DIAMOND WITH CENTRED DOT
ELEMENT OF OPENING UPWARDS
LOWER RIGHT CORNER WITH DOT
LEFT AND RIGHT TACK
LEFT MULTIMAP
WHITE CONCAVE-SIDED DIAMOND
MATHEMATICAL LEFT WHITE SQUARE BRACKET
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL LEFT DOUBLE ANGLE BRACKET