Let $A$ and $B$ be two non-empty subsets of a set $X$ such that $A$ is not a subset of $B$, then
$A$ is always a subset of the complement of $B$
$B$ is always a subset of $A$
$A$ and $B$ are always disjoint
$A$ and the complement of $B$ are always non-disjoint
Write the following sets in the set-builder form :
${\rm{\{ 2,4,8,16,32\} }}$
Write the following sets in the set-builder form :
$\{ 2,4,6 \ldots \} $
Examine whether the following statements are true or false :
$\{ a\} \in \{ a,b,c\} $
Examine whether the following statements are true or false :
$\{ a,b\} \not\subset \{ b,c,a\} $
Which of the following are sets ? Justify your answer.
A collection of most dangerous animals of the world.