SAUSBET FOR DUMMIES

A ⊆ B  if and provided that  A ∪ B = B . displaystyle Asubseteq B textual content if and provided that Acup B=B. A set whose all features are features of an inclusive set . Contemplate a set X these that X comprises the names of every one of the rivers of a rustic. Another established Y involves the names of rivers as part of your North India