Day 21: Discrete Math

Last Time: Test 1!
Today:
- Test 1 key is on-line
  Sorted scores (out of 80):
  41.5 43 43.5 47.5 56 57 60 64 66 66 67.5 68 68 69 69 70 71 71 72 73 74.5 75 75.5 78 78.5
- Handing in section 2.4/2.5 problems is optional: I'll grade them the same way as usual, so hand them in if you feel confident.
- Hand back homework 2.4: graded problems 5 and 12 from your assignment.
  - #13
  - #29/32
- Section 3.1: Sets
  We need some basic information, to prepare for later sections (when we talk about Boolean algebras). Hopefully some of this material is review.
Next Time: Set problems

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