what is universal set and subset

If A and B are sets such that each element of A is an element of B, then we say that A is a subset of B and write A B. ..

In any application of the theory of sets, the members of all sets under consideration usually belong to some fixed large set called the universal set. Usually we denote the universal set by the letter..

In mathematics , a well-defined collection of definite objects is called a set. George Cantor is regarded as the "Father of Set theory". The concept of "Sets" is basic in all branches of mathematics . Important terms in Sets are: Roster Me..

Universe - Universe consists of all matter and all light and other forms of radiation and energy. It consists of everything that exists anywhere in space and time. The universe includes the earth, everything on the earth and within it and everything in the solar system..

Universe consists of all matter and all light and other forms of radiation and energy. It consists of everything that exists anywhere in space and tim..

Introduction - It was once believed that the earth was the center of the universe and that everything moved around it. It was later discovered that the earth moves around the su..

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Let U be a universal set, A be any subset of U, then the elements of U which are not in A i.e., U - A is the complement of A w.r.t. U is written as A' = U - A = A c ..