Math 348 (Rezk, 9:00 MTWR, Section B1, 443 Altgeld).
Office hours
See my homepage.
Syllabus
Here is the syllabus.
Errata for textbook
Our text is Mathematical Thinking (MT) by D'Angelo and West.
[ISBN-10: 0130144126, ISBN-13: 978-0130144126]. This page has
a list of errors in the text.
Reading
- Monday, January 14. Introduction. MT pp. 6-12. (Sets.)
- Tuesday, January 15. LaTeX. MT pp. 12-15. (Functions.)
- Wednesday, January 16. Proofreading. MT pp. 15-18. (The
real numbers.)
- Thursday, January 17. MT pp. 15-18. (Fields; Ordered
fields.)
- Tuesday, January 22. MT pp. 15-18. (Ordered fields.)
- Wednesday, January 23. MT pp. 4-6. (Elementary
inequalities.)
- Thursday, January 24. MT pp. 27-31. (Quantifiers.)
- Monday, January 28. MT pp. 31-35. (Compound Statements.)
- Tuesday, January 29. MT pp. 35-44. (Methods of Proof.)
- Wednesday, January 30. MT pp. 51-57. (Principle of
induction.)
- Thursday, January 31. MT pp. 51-57. (Principle of
induction.)
- Monday, February 4. MT pp. 57- 62. (Applications of
induction.)
- Tuesday, February 5. MT pp. 63-66. (Strong induction.)
- Wednesday, February 6. MT pp. 66-71. (Strong induction, continued.)
- Thursday, February 7. (More induction.)
- Monday, February 11. MT pp. 76-79. (Representation of
natural numbers.)
- Tuesday, February 12. MT pp. 79-85. (Bijections,
injections, surjections.)
- Wednesday, Feburary 13. MT. pp. 85-92. (Composition of
functions; cardinality.)
- Thursday, February 14. (Cardinality continued.)
- Monday, February 18. MT pp. 91-92. (Schroeder-Bernstein
Theorem.)
- Tuesday, February 19. MT pp. 101-104. (Arrangements and
selections.)
- Wednesday, February 20. MT pp. 104-110. (Binomial
Coefficents.)
- Thursday, February 21. (Binomial coefficients, continued.)
- Monday, Feburary 25. (Selection with repetition.)
- Tuesday, February 26. MT pp. 111-115. (Permutations.)
- Wednesday, February 27. First midterm.
- Thursday, February 28. (Permutations, continued.)
- Monday, March 3. MT pp. 123-129. (Divisibility.)
- Tuesday, March 4. MT pp. 131-134. (Divisibility for
polynomials.)
- Wednesday, March 5. (Divisibility for polynomials,
continued.)
- Thursday, March 6. (Divisibility for polynomials, and
ideals, continued.)
- Monday, March 10. (Ideals, continued.)
- Tuesday, March 11. MT pp. 140-141. (Relations and
equivalence relations.)
- Wednesday, March 12. MT pp. (Equivalence relations.)
- Thursday, March 13. MT pp. 142-145. (Congruence.)
- Monday, March 24. (Congruence, continued.)
- Tuesday, March 25. MT pp. 145-147. (Chinese Remainder
Theorem.)
- Wednesday, March 26. MT pp. 147-149. (Fermat's Little
Theorem.)
- Thursday, March 27. (Fermat's Little Theorem, continued.)
- Monday, March 30. MT pp. 256-258. (Completeness Axiom.)
- Tuesday, April 1. MT pp. 259-261. (Limits.)
- Wednesday, April 2. MT pp. 261-263. (Monotone
Convergence.)
- Thursday, April 3. MT pp. 263-267. (Decimal expansion and uncountability.)
- Monday, April 7. (Decimal expansion, continued.)
- Tuesday, April 8. MT pp. 271-275. (Properties of
convergent sequences.)
- Wednesday, April 9. MT pp. 276-279. (Cauchy sequences.)
- Thursday, April 10. (Cauchy sequences, continued.)
Tests
- Midterm 1. Wednesday, February 27. Here is a practice
test (pdf), with solutions
(pdf).
- Midterm 2. Thursday, April 17. Here is a practice test
(pdf), with solutions
(pdf). (Revised 4/14.)
- Final.
Homework
Note: When a problem asks to "prove" or "show" something, I
expect to see a formal proof from you (unless I say otherwise.)
WA=Writing Assignment, PS=Problem Set.
- WA 1
(pdf, tex).
Draft due
Wednesday,
January 16. Final copy due Tuesday, January 22 (as .tex file).
- PS 1. Due Tuesday, January 22.
MT 1.13, 1.45, 1.47, 1.50. (Note that this has changed.) Here are
solutions
(pdf, tex).
- WA 2.
(pdf, tex).
(Important typos fixed.)
Draft due Thursday, January 24, in class. Final copy due Tuesday,
January 29 (as .tex file).
- PS 2. Due Monday, January 28. 1.29, 2.4, 2.11, 2.24, 2.26.
Here are solutions (pdf, tex).
- WA 3. If your last name starts with
- D, E, G, H, J, or K, do problem 3.15.
- M, P, or Ros, do problem 3.16.
- Rot, S, or T, do problem 3.17.
Draft due Thursday, January 31. .tex file due Tuesday, Feb 5.
- PS 3. Due Monday, February 4. 2.52, 2.53, 3.7, 3.23,
3.28. Here are solutions (pdf,
tex).
- WA 4. Bring draft to class Thursday, February 7. If your
last name starts with
D, G, K, or R, do problem 3.65.
- E, P, or S, do problem 3.62.
- H, M, or T, do problem 3.63.
-
(These are all strong induction problems.)
- PS 4. Due Tuesday, February 12. 3.24, 3.38, 3.43, 3.47,
3.56. Here are solutions (pdf,
tex).
- WA 5. Problem 4.21. Draft due in class Thursday, February
14.
- PS 5. Due Tuesday, February 19. 4.13, 4.20, 4.22, 4.25,
4.34. Here are solutions (pdf,
tex).
- PS 6. Due Tuesday, February 26. 5.5, 5.9, 5.12, 5.14,
5.31, 5.39. Here are solutions
(pdf, tex).
- PS 7. Due Tuesday, March 4. 5.57, 5.58, 6.22. Here are
solutions
(pdf, tex).
- PS 8. Due Tuesday, March 10. 6.17, 6.28, 6.43,
6.65. Note change in due date. Also note that 6.43 is
stated incorrectly in at least some versions of the book: the
incorrect version does not correctly compute the GCD. Use
this revised version.
- WA 6. Draft due Thursday, March 13. Final version due
Thursday, March 27.
Instructions (revised; revised again 3/26)
(pdf, tex).
- PS 9. Due Tuesday, April 1. 7.8, 7.15, 7.18, 7.32, 7.42.
Here are solutions
(pdf, tex).
- PS 10. Due Tuesday, April 8. 13.8, 13.21, 13.23, 13.25,
13.26. Here are solutions
(pdf, tex).
- PS 11. Due Wednesday, April 16. 14.3, 14.4, 14.19,
14.23. Here are solutions (pdf,
tex).
- PS 12. Due Tuesday, April 29. 14.15, 14.30, 15.3, 15.12.
Here are solutions (pdf)
LaTeX.
All writing assignments are to be completed using LaTeX.
Information on downloading and using LaTeX is given here.
Contact info.
email:
office: Illini Hall 242
office hours: Check here.
Last modified 30 April 2008
by Charles Rezk.