Today:
- Announcements
- Homework 1.2: graded 6, 25, 33:
- #6: no useful conclusion
- #25: three different proofs
- Hand back homework 1.3. Graded #5, 15, 19
- #5: this was rough! Each of you had a different interpretation....
- #15:
- #19:
- Your 1.4 homework is due today. One observation about these:
exercises #9, 12, and 13 combine to show us something interesting about
the communtivity (or not) of the quantifiers....
- Any questions on section 2.1?
- Today's new topic is section
2.2: Mathematical Induction
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