Answer:
A set is well-defined if the elements or members are clearly identified. This means that the distinct objects to be part of the set should be without a doubt included. The elements or members must be distinct, unquestionable, and exact.
Examples of well-defined sets
{letters in the word GAMES}
{enrolled female students in a class}
{numbers in a 12-hour clock}
{months with only 30 days}
{odd numbers between 0 and 20}
Examples of not well-defined sets
{top 5 soccer players}
{most beautiful country}
{best restaurants in the country}
{favorite colors}
{most powerful heroes}
Well-defined Set. Set: A set is a well-defined collection of objects or ideas. ... Example: C = {red, blue, yellow, green, purple} is well-defined since it is clear what is in the set.
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