Question

Classify the following pairs of a set as equal or equivalent set.
{Letters of the words Fellow } and $\{a,b,c,d\}$

Answer 1

Letters of word Fello $=\{f,e,l,o,w\}\ne \{a,b,c,d\}$

Hence the set $\left\{\text{Letters of the word Fellow}\right\}$ and $\{a,b,c,d\}$ are not equal.