every set is a subset of itself

Select the correct statement(s). I. Set of squares is a subset of set of rhombuses. II. Set of squares is a subset of set of rectangles. III. The diagonals of a rhombus divide it into 4 congruent triangles. => I and II only or II and III o..

Prove that Null Set is the subset of every set Every set A is a subset of universal set U since, by definition all elements of A belong to U. Also the null set f A. The null set f is a subset..

Find the number of 3 element subsets that can be formed from the set {a, b, c, d, e, f, g, h} . => 6 or 56 or 336 or 1..

The number of subsets ' a ' of a set containing n elements is given by a = 2 n . Find the number of elements in the original set which has 32 subsets. => 5 or 32 or 2 3 2 or 16..

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 ..

Summary - A well-defined collection of definite objects is called a set. In roster method of representing a set, all the elements are listed in the set. In property method of representing a set, all the elements are represented by stating all the properties which are s..

A set A is said to be a proper subset of B if B contains at least one element, which is not in..

Properties of Relations - Consider the set A = {a, b, c, } then any subset of A x A is called a relation in A. Let R be any relation in A so that R is a subset of the product set A x A. We will discuss the properties a relation may possess.Consider the s..

The set of whole numbers is the set of natural numbers along with zero. so W = the set of whole numbers = 0,1,2,3,............ so Zero is the least number of the set of Whole numbers. As the whole numbers is an infinite set we cant determine t..