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

n-ary summation

U+2211

minus sign

U+2212

therefore

U+2234

subset of

U+2282

superset of

U+2283

not a subset of

U+2284

not a superset of

U+2285

subset of or equal to

U+2286

superset of or equal to

U+2287

neither a subset of nor equal to

U+2288

neither a superset of nor equal to

U+2289

subset of with not equal to

U+228A

superset of with not equal to

U+228B

right angle with arc

U+22BE

diameter sign

U+2300

heavy plus sign

U+2795

finite part integral

U+2A0D

game die

U+1F3B2