Some finite numbers in a set: the number of digits on your hand, the number of seats on a bus, and the number of people on earth.
Some infinite numbers in a set: the number of positive integers and the number of digits in pi.
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Closed sets and open sets, or finite and infinite sets.
There are finite sets, countably infinite sets and uncountably infinite sets.
Closed sets and open sets, or finite and infinite sets.
sets
A finite set is a set that has numbers you can count. Its not like infinite with no end it has an end.