UPPER LEFT CORNER WITH DOT
THREE DIMENSIONAL ANGLE
WHITE TRIANGLE CONTAINING SMALL WHITE TRIANGLE
OR WITH DOT INSIDE
SUPERSET PRECEDING SOLIDUS
MATHEMATICAL RISING DIAGONAL
SQUARED LOGICAL OR
WHITE DIAMOND WITH CENTRED DOT
FULL OUTER JOIN
LEFT AND RIGHT DOUBLE TURNSTILE
LEFT MULTIMAP
WHITE SQUARE WITH LEFTWARDS TICK
MATHEMATICAL LEFT ANGLE BRACKET
MATHEMATICAL RIGHT ANGLE BRACKET
MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET
MATHEMATICAL LEFT FLATTENED PARENTHESIS