Is Z countable?
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We will see later that many infinite sets are countable but that some are not. Some versions of the above definition include finite sets among the countable ones, but we will (mostly) not do so. The set Z of (positive, zero and negative) integers is countable. N 1 2 3 4 5 6 7 ...
2023-06-14 22:31:54
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Emily Campbell
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We will see later that many infinite sets are countable but that some are not. Some versions of the above definition include finite sets among the countable ones, but we will (mostly) not do so. The set Z of (positive, zero and negative) integers is countable. N 1 2 3 4 5 6 7 ...