Which of the following sets are finite or infinite.
$\{1,2,3 \ldots .\}$
$\{1,2,3 \ldots\}$ is an infinite set as it has infinite number of natural numbers.
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 $A \subset B$ and $B \subset C,$ then $A \subset C$
Write down all the subsets of the following sets
$\{ a\} $
Consider the sets
$\phi, A=\{1,3\}, B=\{1,5,9\}, C=\{1,3,5,7,9\}$
Insert the symbol $\subset$ or $ \not\subset $ between each of the following pair of sets:
$A \ldots C$
Which of the following are sets ? Justify your answer.
The collection of all even integers.
Which of the following is a true statement
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