MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
THREE DIMENSIONAL ANGLE
WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
PERPENDICULAR
OPEN SUBSET
OPEN SUPERSET
RIGHT S-SHAPED BAG DELIMITER
VERTICAL BAR WITH HORIZONTAL STROKE
MATHEMATICAL FALLING DIAGONAL
ELEMENT OF OPENING UPWARDS
LEFT OUTER JOIN
LARGE UP TACK
LONG LEFT TACK
WHITE SQUARE WITH RIGHTWARDS TICK
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL LEFT ANGLE BRACKET