Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ 3,4\} \in A$
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ 3,4\} \in A$
$A=\{1,2,\{3,4\}, 5\}$
The statement $\{3,4\}\in A$ is correct because $\{3,4\}$ is an element of $A$.
Similar Questions
State whether each of the following set is finite or infinite :
The set of numbers which are multiple of $5$
State whether each of the following set is finite or infinite :
The set of numbers which are multiple of $5$
In rule method the null set is represented by
In rule method the null set is represented by
Which of the following are sets ? Justify your answer.
The collection of questions in this chapter.
Which of the following are sets ? Justify your answer.
The collection of questions in this chapter.
In each of the following, determine whether the statement is true or false. If it is true, prove it. If it is false, give an example.
If $x \in A$ and $A \in B,$ then $x \in B$
In each of the following, determine whether the statement is true or false. If it is true, prove it. If it is false, give an example.
If $x \in A$ and $A \in B,$ then $x \in B$
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ \{ 3,4\} \} \subset A$
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{ \{ 3,4\} \} \subset A$