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WORKBOOK
II- One more example
2
2
2
Consider the set S = {1 , 2 , 3 , …}, the set of the squares of the positive integers. Similar to the
example above, the sets S and the set of counting numbers can be placed into a one-to-one
1 1 2
2 2 2
correspondence with the pairing: Galileo (1564-
3 3 2
Galileo (1564-
1642) first
... 1642) first
observed this.
However, the elements of S also belong to counting numbers. observed this.
Can you solve the Infinite Hilbert’s Hotel Paradox?
A hotel has an infinite number of rooms, all of which are booked.
How can you make sure that a new guest gets a room? What about
a bus full of infinite new quests?
Answer: https://www.youtube.com/watch?v=faQBrAQ87l4
FINITE – INFINITE SETS:
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9 091math-wb-w3-(sets)