Math 3150, Section 1, Fall 2017

- Instructor's Office Hours:
- Office hours are in Monteith 326
- (most) Wednesdays 11:00 - 12:00
- (most) Thursdays 2:00 - 3:00

Some Remarks on Writing Mathematical Proofs

by Jack Lee

1st Problem Set: Due September 29

(Now includes correction to Problem 1)

2nd Problem Set: Due October 20

It is a good idea to work out exercises from each section of the book that we cover. These will not be collected.

**Section 1.1:** Exercises 1.1.1, 1.1.2, 1.1.4, 1.1.6, 1.1.8, 1.1.9, 1.1.10, 1.1.11 (lookup definition of **equivalence relation**), 1.1.12

**Section 1.2:** Exercises 1.2.2, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.2.8

**Section 1.3:** Exercises 1.3.2, 1.3.3, 1.3.4, 1.3.5, 1.3.6, 1.3.7, 1.3.8, 1.3.9, 1.3.10, 1.3.16

**Section 1.4:** Exercises 1.4.1, 1.4.2 (can you give two proofs?), 1.4.4, 1.4.6, 1.4.7, 1.4.10, 1.4.12, 1.4.13

**Section 2.1:** Exercises 2.1.2, 2.1.3, 2.1.4, 2.1.7

**Section 2.2:** Exercises 2.2.6, 2.2.3, 2.2.7, 2.2.8, 2.2.11, 2.2.14

**Section 2.3:** Exercises 2.3.1, 2.3.4, 2.3.5, 2.3.12

**Section 2.4:** Exercises 2.4.1, 2.4.2, 2.4.3, 2.4.4, 2.4.5 (use a lemma we proved in class), 2.4.7, 2.4.8

**Section 3.1:** Exercises 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.7, 3.1.11

**Section 3.2:** Exercises 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.7, 3.2.10

Last updated: October 11, 2017