The pictorial representation of sets is called Venn diagram. The universal set is represented by a rectangular region and its subsets by circles inside the rectangle. In the above given Venn diagram, and and .   Here,and . If, there is no common elements in A and B and both are subsets of universal set, […]


SUBSET: A set P is said to be a subset of a set Q if each element of P is also an element of Q. If P is subset of Q, we write PROPER SUBSET: If and then P is called a proper subset of Q and we write Example: Consider and Here, but Every […]


The word ‘set’ in mathematics was first used by a German mathematician George Cantor (1845 – 1918). A set is a well-defined collection of objects. Well – defined means universal truth. The elements do not varies person to person. Set is denoted by capital letters of English alphabets. E.g. A, B, C, D, F, G, […]