copyright sign
U+00A9
canadian syllabics aivilik b
U+15AF
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