List all the elements of the following sers :
$E = \{ x:x$ is a month of a year not having $ 31 $ days ${\rm{ }}\} $
List all the elements of the following sers :
$E = \{ x:x$ is a month of a year not having $ 31 $ days ${\rm{ }}\} $
$E = \{ x:x$ is a month of a year not having $ 31 $days ${\rm{ }}\} $
$ = \{ {\rm{ }}$ February, April, June, Septermber, November ${\rm{ }}\} $
Similar Questions
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 $B \in C,$ then $A \in C$
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 $B \in C,$ then $A \in C$
State whether each of the following set is finite or infinite :
The set of lines which are parallel to the $x\,-$ axis
State whether each of the following set is finite or infinite :
The set of lines which are parallel to the $x\,-$ axis
Write the following sets in the set-builder form :
${\rm{\{ 5,25,125,625\} }}$
Write the following sets in the set-builder form :
${\rm{\{ 5,25,125,625\} }}$
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 ?
$\{ 3,4\} \in A$
If a set $A$ has $n$ elements, then the total number of subsets of $A$ is
If a set $A$ has $n$ elements, then the total number of subsets of $A$ is