Examine whether the following statements are true or false :
$\{ a\} \in \{ a,b,c\} $
False. The element of $\{a, b, c\}$ are $a, b,$ c. Therefore, $\{a\} \subset\{a, b, c\}$
State whether each of the following set is finite or infinite :
The set of animals living on the earth
The set of numbers which are multiple of $5$
Make correct statements by filling in the symbols $\subset$ or $ \not\subset $ in the blank spaces:
$\{ x:x$ is an equilateral triangle in a plane $\} \ldots \{ x:x$ is a triangle in the same plane $\} $
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 8\, …….\, A $
The set of letters in the English alphabet
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