## Math 113: Discrete Structures, Spring 2019

MWF 1:10-2:00pm, Chem 301Office Hours: MWF 2:00-3:30pm in Lib 306

Problem session: MTh 7:30-8:30pm, Eliot 314

Drop-in tutoring: SuTWTh 7-9pm, Lib 204

Text: *Discrete Mathematics: Elementary and Beyond*

Math 113 S01 on Slack

Course log containing problems and solutions from each course meeting.

### Week 1: January 28 - February 1

### Week 2: February 4 - February 8

- M: Functions video (on Moodle) and these notes. RQ, HW2M due. Handout.
- W: §1.3. RQ, HW2W due. Handout.
- F: §§1.5-6. RQ, HW2F due. Handout.
- Video of the week.

### Week 3: February 11 - February 15

- M: Equivalence Relations notes. RQ, HW3M due. Handout.
- W: §§1.7, 1.8. RQ, HW3W due. Handout.
- F: §3.1. RQ, HW3F due. Handout.
- Video of the week.

### Week 4: February 18 - February 22

- M: No reading. In-class exam covering Chapter 1. One two-sided sheet of notes allowed; no other resources. HW4M due.
- W: §§3.5, 3.6 (ignore the proof of equation (3.5) if you have not seen induction before). RQ, HW4W due. Handout.
- F: §2.1. RQ, no homework. Handout.
- Video of the week.

### Week 5: February 25 - March 1

- M: §2.3. RQ, HW5M due. Handout.
- W: §2.4. RQ, HW5W due. Handout.
- F: Derangements and subfactorial notes. RQ, HW5F and Exam 1 Redo due. Handout.
- Video of the week.

### Week 6: March 4 - March 8

- M: §4.1. RQ, HW6M due. Handout.
- W: §4.2. RQ, HW6W due. Handout.
- F: §4.3. RQ, HW6F due. Handout.
- Video of the week.

### Week 7: March 11 - March 15

- M: §7.1. RQ, HW7M due. Handout.
- W: §7.2. RQ, HW7W due. Handout.
- F: §7.3. RQ, HW7F due. Handout.
- Video of the week.

### Week 8: March 18 - March 22

### Spring Break: March 24 - March 28

- Study for Exam 2. A good resource is the chapter review questions for Chapters 2, 3, 4, and 7, along with your graded homework assignments.
- Complete the midterm feedback form.

### Week 9

- M: Probability video lecture 1. RQ, HW9M due.
- W: Probability video lecture 2. RQ, HW9W due.
- F: Todos Cuentan reading. RQ, Exam 2 due. No homework.
- Video of the week.

### The $\LaTeX$ document preparation system

Poor handwriting? Love escape characters? Too much free time? Try $\LaTeX$!

- $\LaTeX$ at Reed.
- A short guide [pdf] to writing mathematics with $\LaTeX$.
- Change .pdf to .tex in the URL of (nearly) any file accessed from this page to get the $\LaTeX$ source code.

Kyle M. Ormsby