PERPENDICULAR
OPEN SUBSET
OPEN SUPERSET
REVERSE SOLIDUS PRECEDING SUBSET
SUPERSET PRECEDING SOLIDUS
VERTICAL BAR WITH HORIZONTAL STROKE
MATHEMATICAL FALLING DIAGONAL
SQUARED LOGICAL AND
SQUARED LOGICAL OR
WHITE DIAMOND WITH CENTRED DOT
UPPER LEFT CORNER WITH DOT
LEFT OUTER JOIN
RIGHT OUTER JOIN
WHITE CONCAVE-SIDED DIAMOND
MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET