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:

$A, \ldots B$

Write the following intervals in set-builder form :

$\left[ { - 23,5} \right)$

Which set is the subset of all given sets

Which of the following sets are finite or infinite.

$\{1,2,3, \ldots 99,100\}$

State whether each of the following set is finite or infinite :

The set of animals living on the earth

In rule method the null set is represented by