- Last time: Section 3.1
- Forget counting; remember one-to-one correspondences.
- Sample solutions from homework:
- Today:
- Reminder:
- Project assignment #1: for Friday - one page project
description
- The natural numbers are infinite in number (the size of the set is
larger than any natural number).
- A subset is never bigger in size than the set itself.
- What is Cardinality?
- Infinity, or infinities?
- Let's look at these curious problems:
- I.9 - counting cubes
- I.11 - Hotel Cardinality
- I.12 - Hotel Cardinality (cont.)
- I.13 - Hotel Cardinality and the Infinite Life Insurance Co.
- Next time: Problems Pause
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