Write the following as intervals :
$\{ x:x \in R,0\, \le \,x\, < \,7\} $
What universal set $(s)$ would you propose for each of the following :
The set of isosceles triangles
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 0\, ........\, A $
List all the elements of the following sers :
$E = \{ x:x$ is a month of a year not having $ 31 $ days ${\rm{ }}\} $
In rule method the null set is represented by