Question

what is proper set explain​

Answer 1

Step-by-step explanation:

A proper subset of a set A is a subset of A that is not equal to A. In other words, if B is a proper subset of A, then all elements of B are in A but A contains at least one element that is not in B. For example, if A={1,3,5} then B={1,5} is a proper subset of A.

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Answer 2

Answer:

If A and B are two sets, then A is called the proper subset of B if A ⊆ B but B ⊇ A i.e., A ≠ B. The symbol ‘⊂’ is used to denote proper subset. Symbolically, we write A ⊂ B.

Step-by-step explanation:

For example;

1. A = {1, 2, 3, 4}

now it is n(A) = 4

B = {1, 2, 3, 4, 5}

now it is  n(B) = 5

We can say that, all the elements of A are present in B but the element ‘5’ of B is not present in A.

So, A is a proper subset of B.

Symbolically, we write it as A ⊂ B

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