What is the cardinality of each of these sets?a) ?________________b) {?}________________c) {?, {?}}________________d) {?, {?}, {?, {?}}}

Solution:Step1 We have to find that what is the cardinality of these setsStep2The cardinality of a set is a measure of a set’s size, which means the quantity of components in the set. For example, the set B=1,2,4 has a cardinality of 3, for the three components that are in it.a) In the given set the quantity of component in the set is zero.Therefore, the cardinality...