Any subset of a Cartesian product A×B in which the first element and second element of ordered pairs have special relation to each other is known as “Relation”. Continue reading to find out more.

The Cartesian Product of two sets A and B is the set of all Ordered Pairs (a,b)  where the first element of order pairs “a” belongs to first set “A” and second element of ordered pairs “b” belongs or second set “B”. Continue reading to find more.

A pair or set which have only two elements in which order of its elements are predefined is known as an ordered pair. read more to know about pair , ordered pair , denotation of ordered pair ,equal ordered pairs.

Number is one of the basic concept of mathematics. A Number basically representation of quantity of any object. Number system started from the time of ancient civilization , Primitive man used to compare one quantity with another when there was no number ; Like they used to lay aside each pebble for a sheep they rear , in order to count sheep.  latter with advancement in language they gave the number a name and a symbol like for first quantity the name is “One”  and symbol is “1″ and for fifth quantity the name is “Five” and symbol is “5″.
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The Process of making or new sets from two or more given sets applying some special rules is known as set operations.
If we are given two sets , then there are three standard ways to construct new sets from them. Continue reading to find more.

Euler venn diagram or simply venn diagram is a graphical representation of sets and relation between sets. continue reading to find more.

If , in any condition two or more sets appears in discussion they might have some special relation between each other. There are many types or relation that might occur between two or more sets. Those relations are given here.