Question

Let the set of all integers be the universal set and let A = set of all whole numbers, then what is a

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Answer 1

Given : set of all integers be the universal set ,

A = set of all whole numbers

To find : What is A

Solution:

U = set of all integers

U = { ,..............., -3 , - 2, - 1, 0 , 1 , 2 , 3 ....................................}

A = Set of Whole numberd

A = { 0 , 1 , 2 , 3 ...................................}

A is proper subset of  U

A ⊆ U

A proper subset of a set U is a subset of U  that is not equal to U

all elements of A are in U but U contains at least one element that is not in A.

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