kinds of sets

which one is a finite set

• A ={ 3,6,4 }

• B= the set of natural numbers more than 9

• the set of all numbers

which one is an empty set

• A ={ }

• B= { 0 }

which one is NOT empty set

•  $\phi$  

• B= {  }

• A= the set of digits of the number  " 0 "

•  $\in$  

•  $\notin$  
  

• 7

• 9

• 5

• 1

• 9

• 5

• 5

• 6

• 7

True or false? 

{R,G,B} is subset of  {R,G,B}.

• true

• false

Give me an example of the subset of

A = { car, airplane. train}

• {boat}

• {car , train}

• {motorbike , car}

• {bicycle, train}

True or false? 

{1,2,3,4} is subset from {1,2,3,4,5,6,7,8,9}

• true

• false