If A={2, 4, 6, 8}, then 7 ___ A.
is the superset of
does not belong to
is a subset of
belongs to
If A={2, 4, 6, 8}, then 7 does not belong to A.
If A={2,4,6,8}, then 7 ____ A.
let A , B and C be three sets. if A belongs to B and B is a subset of C , is it true that A is a subset of C? if not , give an example