In mathematics, a set is a collection of different things, called elements or members of the set. Sets are defined as a collection of distinct elements. The elements of a set share a common characteristic among them.
Heavy Cristina Scabbia, the frontwoman of Lacuna Coil
Definition two sets are called disjoint if, and only if, they have no elements in common. 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 empty set, denoted by , is a set with no elements.
We can come up with all different types of sets.
A set may also be called a collection or family,.