Examine whether the following statements are true or false :
$\{ a,b\} \not\subset \{ b,c,a\} $
False. Each element of $\{a, b\}$ is also an element of $\{b, c, a\}$
In the following state whether $A=B$ or not :
$A=\{4,8,12,16\} ; B=\{8,4,16,18\}$
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 $B \subset C,$ then $A \subset C$
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 4\, ……… \, A $
Which of the following are sets ? Justify your answer.
The collection of all boys in your class.
The smallest set $A$ such that $A \cup \{1, 2\} = \{1, 2, 3, 5, 9\}$ is
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