Subsets

True or false? {1,2,3,4} is subset from {1,2,3,4,5,6,7,8,9}

• True

• False

True or False? {A,B} is subset from {A,B,C,D}

• True

• False

{ } is called?

• empty set

• universal set

• subset

• properset

True or false? {1,2,3 } ⊆ {1,2,3,4,5 }.

• True

• False

True or False? { 1,2,3} ⊄ {1,2,3,4,5 }

• True

• False

True or false? {R,G,B} is a proper subset from {R,G,B}.

• True

• False