Definition empty set, denoted by , is a set with no elements. In mathematics, a set is a collection of different things, called elements or members of the set. The elements of a set share a common characteristic among them.
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We can come up with all different types of sets. Sets are defined as a collection of distinct elements. If a and b are two sets and at least one element from a is present in b or vice versa, then the two sets a and b are said to be overlapping.
Definition two sets are called disjoint if, and only if, they have no elements in common.
A set may also be called a collection or family,.
