State if the given pair of set is an equal set.
R = { Set of all girls' names beginning with J}, S = { Joan, Jean, Judy, Julie}.

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Solution

Stating whether the given sets are equal sets or not:
Two sets are said to be equal, if they contain exactly the same (identical) elements. In case of equal sets, the elements as well as the number of elements in the sets are same.
Given sets,
R = { Set of all girls' names beginning with J} i.e. there are many names of girls beginning with J
S = { Joan, Jean, Judy, Julie}
Since, Set R and Set S neither have same elements nor the same number of elements,
Thus, Set R and Set S are not equal sets.

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