## Spring 2009 Math 320, Section 2 Information

Contact Information:
Lawrence Roberts
A345 Wells Hall
{instructor's first name} {at} math {dot} msu {dot} edu

Office Hours:
M 10:00 - 11:00 am
W 1:30 - 2:30 pm
F 2:00 - 3:00 pm

If you cannot make these times, please send me an email and we can make an appointment.

Note: The links to solutions below have been disabled. If you were in the class and wish to havea copy of some solutions please e-mail me.

The syllabus can be found at Math 320, Section 2: Syllabus (in pdf)

Here are some useful resources for how to write proofs:

Monday, January 12: Introductory meeting

Wednesday, January 14: For friday, read section 1.2 in the book. Look at section 1.1, and try the first homework assignment (due Wednesday, January 21)

Friday, January 16: For Wednesday, read section 1.3 in the book (this is a very important section, so take some time with it).
Homework (also due Wednesday, January 21) section 1.2 do problems 3, 5, 6, 11 (useinduction). It would be a good idea to look at all the problems, but these are the ones to turn in.
Wednesday, January 21: For friday start reading 1.4 (you can stop at "Countable and uncouncoutable sets").
Homework (due Wednesday, January 28) This is all the homework that will be due, but, as usual, you should also look at the unassigned problems!
• Section 1.3: 2, 4, 6, 7
• Section 1.4: 4, 5, 7, 9
For section 1.4, problem number 7 you do not need to give a full proof, just explain whythe result is true.
Friday, January 23: Continue reading 1.4. The homework solutions for the homework turned in this past Wednesday are available at Solutions to homework 1

Wednesday, January 28: Read section 2.2 (you can read section 2.1 as well, but we'll not be coveringit for a bit.) Pay close attention to the examples. This is what we'll discuss on Friday. The homework solutions for the homework turned in today are available at Solutions to homework 2
Homework (due Wednesday, February 4) This is all the homework that will be due, but, as usual, you should also look at the unassigned problems!
• Section 2.2: 1, 3, 6, 8
• Section 2.3: 4, 6, 7, 8
Friday, January 30: Continue reading 2.2, begin reading 2.3.

Wednesday, February 4: We will read 2.4, 2.5, and a bit of 2.6 this week. The monotone convergence theorem is in 2.4
Homework (due Wednesday, February 11)
• Section 2.4: 2, 4
• Section 2.5: 1, 3, 4
• Section 2.6: 1, 4
Friday, February 6th: Read 2.6 for Monday. The solutions to the last homework are now available: Solutions to homework 3

Monday, February 9th: Read pgs 51 (defn 2.4.3) - 54, and begin section 2.7 for wednesday.

Wednesday, February 11th:
Homework (due Wednesday, February 18)
• Section 2.7: 1, 4, 5, 9, 10
Wednesday, February 18th:
Homework (due Wednesday, February 25) Look at 3.1, 3.2 (we'll spend several days on 3.2)
• Section 3.2: 2, 3, 7, 9, 11, 13
Homework Solutions: Wednesday, February 25th: Homework solutions for the homework due today:
The topics for review for next week's exam:
Friday, February 27th: On Monday we will discuss the problems below alongwith any other questions you may have. Note that the problems are not an exhaustivelist of the possible problems.
Monday, March 2nd:
Wednesday, Match 18th:
Homework (due Wednesday, March 25) Look at 4.2 for Friday
• Section 3.3: 4, 5 (problem 6 is an interesting problem, but will not be collected)
• Section 3.4: 7, 8 (ignore any questions involving "perfect" sets)
• Section 4.2: 1, 6, 8
Wednesday, March 25: Homework solutions for the homework due today:
Homework (due Wednesday, April 1)
• Section 4.3: 2, 3, 8
• Section 4.4: 2, 6
Wednesday, April 1: Homework solutions for the homework will be posted on Friday!
Homework (due Wednesday, April 8)
• Section 4.5: 3, 4, 7
• Section 5.2: 2, 3, 5
Wednesday, April 8: Homework solutions for the homework due today:
Homework (due Wednesday, April 15)
• Section 5.3: 1, 3, 5, 7, 8
Wednesday, April 15: Homework solutions for the homework due today:
Homework (due Wednesday, April 22)
• Section 6.2: 3, 5, 11
• Section 6.3: 2, 3
Wednesday, April 22: Homework solutions for the homework due today:
Homework (due Wednesday, April 29)
• Section 6.4: 3, 5
• Section 6.5: 1, 9
Note: I will drop the two lowest homework scores when computingthe homework portion of the grade.

Wednesday, April 29: Homework solutions for the homework due today: