# Let a = {A, B, {C, D}, E}. Which of the Following Statement Are False and Why? ϕ ∈ a - Mathematics

Let A = {ab, {cd}, e}. Which of the following statement are false and why?

$\phi \in A$

#### Solution

A = {ab, {cd}, e

False

$\phi$ is an empty set; in other words, this set has no element. It is denoted by $\phi$ Therefore, the correct statement would be $\phi$

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#### APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 1 Sets
Exercise 1.4 | Q 6.1 | Page 17