-- script capital P = power set = Weierstrass p
-- blackletter capital I = imaginary part
-- blackletter capital R = real part symbol
-- alef symbol = first transfinite cardinal
-- leftwards arrow
-- upwards arrow
-- rightwards arrow
-- downwards arrow
-- left right arrow
-- downwards arrow with corner leftwards = carriage return
-- leftwards double arrow
-- upwards double arrow
-- rightwards double arrow
-- downwards double arrow
-- left right double arrow
-- for all
-- partial differential
-- there exists
-- empty set = null set = diameter
-- nabla = backward difference
-- element of
-- not an element of
-- contains as member
-- asterisk operator
-- proportional to
-- infinity
-- angle
-- logical and = wedge
-- logical or = vee
-- intersection = cap
-- union = cup
-- therefore
-- tilde operator = varies with = similar to
-- approximately equal to
-- identical to
-- subset of
-- superset of
-- not a subset of
-- subset of or equal to
-- superset of or equal to
-- circled plus = direct sum
-- circled times = vector product
-- up tack = orthogonal to = perpendicular
-- dot operator
-- left ceiling = apl upstile
-- right ceiling
-- left floor = apl downstile
-- right floor
-- left-pointing angle bracket = bra
-- right-pointing angle bracket = ket
-- en space
-- em space
-- thin space
-- left-to-right mark
-- right-to-left mark