for all
U+2200
complement
U+2201
partial differential
U+2202
there exists
U+2203
there does not exist
U+2204
empty set
U+2205
increment
U+2206
nabla
U+2207
element of
U+2208
not an element of
U+2209
small element of
U+220A
contains as member
U+220B
does not contain as member
U+220C
small contains as member
U+220D
end of proof
U+220E
n-ary product
U+220F
n-ary coproduct
U+2210
n-ary summation
U+2211
minus sign
U+2212
minus-or-plus sign
U+2213
dot plus
U+2214
division slash
U+2215
set minus
U+2216
asterisk operator
U+2217
ring operator
U+2218
bullet operator
U+2219
square root
U+221A
cube root
U+221B
fourth root
U+221C
proportional to
U+221D