CALENDAR for Mathematics 201 §C


To prepare for class each day:
«Die Mathematiker sind eine Art Franzosen; redet man mit ihnen, so übersetzen sie es in ihre Sprache, und dann ist es alsobald ganz etwas anderes.» J.W.v.Goethe

Week 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15

All ISU undergraduate students are invited to participate in the Problem of the Week Contest.

DISCLAIMER: The future is subject to change!
MONTH
WEEK
DAY Topics, Reading Assignment Practice
Problems
Assigned Problems, Due
at 2nd following class
January
Chapter 1: Numbers, Sets, and Functions
WEEK 1 10-14 January
Mon 10 Course Introduction
Communicating Mathematics

Sets

1.33, 1.34, 1.38 1.32
Wed 12 Functions, Inverse image and level sets 1.45, 1.49 1.51
Fri 14 The Real Number System
Fields
1.52-1.54
WEEK 2 17 - 21 January
Mon 17 Martin Luther King Day Holiday
No class meeting
Wed 19 The Real Number System
Ordered Fields
Fri 21 The Real Number System
Completeness
In-class Exercises page 17:
1.43 Proposition (g)
1.44 Proposition O2
1.45 Proposition F2
1.46 Proposition (a)
1.55
WEEK 3 24 - 28 January
Chapter 2: Language and Proofs
Mon 24 Theorems about equations
Quantifiers, Statements
2.1, 2.2, 2.4 2.16
Wed 26 Order of quantifiers
Negation of quantified statements
2.9, 2.10, 2.19, 2.28 2.22
Fri 28 Compound statements 2.37, 2.38, 2.44 2.48
WEEK 4 31 January - 4 February
Mon 31 Techniques of proof 2.51(a)
February
Wed 2 ... continued
Fri 4 In-class Exercise:
REVIEW of Chapters 1-2
1.49(a),(c), 2.52, and

Prove: If x is even then x+1 is odd.

  • Give a direct proof.
  • Give a proof by contraposition.
  • Give a proof by contradiction.
WEEK 5 7 - 11 February
Mon 7 FIRST MIDTERM EXAM
Covers Chapters 1-2.
Objectives for 1st midterm exam.

Sample Solutions

Chapter 3: Induction
Wed 9 The Principle of Induction 3.2, 3.3, 3.11 3.5 (Prove by induction.)
Fri 11 3.14(a),(d), 3.16 3.15
WEEK 6 14 - 18 February
Mon 14 Applications of Induction In-class Exercise:
Binomial Coefficients
Prove the factorial formula, Theorem 3 for binomial coefficients.

Extra Credit: Write up a proof of Theorem 2 on subset counting.

Wed 16 (Applications, continued) 3.20, 3.23, 3.28 3.22
Fri 18 Strong Induction 3.55 3.56
WEEK 7 21 - 25 February
Chapter 4: Bijections and Cardinality
Mon 21 q-ary representation of integers 4.1, 4.16 4.15
Wed 23 Bijections 4.21 4.22
Fri 25 Injections & Surjections
Composition of functions
4.23, 4.24, 4.25 4.30
WEEK 8 28 February - 4 March
Mon 28 Cardinality -- finite sets 4.33, 4.35, 4.36 4.34
March
Wed 2 Cardinality -- infinite sets

Read about The Hilbert Hotel
in NY Times blog by Steven Strogatz.

4.42, 4.43, 4.47 4.45 (Due Wednesday, 9 Mar)
Fri 4 REVIEW of Chapters 3-4 In-class Exercise:
3.31, 4.3, 4.27, 4.31
WEEK 9 7 - 11 March
Mon 7 SECOND MIDTERM EXAM
Chapters 3-4.
Objectives for 2nd midterm exam.

Sample Solutions

Chapter 13: The Real Numbers
Wed 9 Completeness 13.8, 13.13, 13.22, 13.24
Fri 11 Archimedean property 13.19
14 - 18 March: WINTER RECESS
WEEK 10 21 - 25 March
Mon 21 Limits 13.11, 13.26, 13.27, 13.28 13.25
Wed 23 Monotone Convergence 13.29, 13.31, 13.32 13.30
Fri 25 k-ary representation of real numbers 13.14, 13.33, 13.34 13.36
WEEK 11 28 March - 1 April
Mon 28 Uncountability 13.6, 13.37 13.38
Chapter 14: Sequences and Series
Wed 30 Convergent sequences 14.3, 14.9, 14.10, 14.13, 14.14, 14.17, 14.19 14.15
April
Fri 1 Sequence limit properties 14.22 [HINT: Lemma 3.13]
WEEK 12 4 - 8 April
Mon 4 Cauchy's convergence criterion 14.29 14.31
Wed 6 Bolzano-Weierstrass Theorem 14.30 14.28(b)
Fri 8 Infinite Series 14.6, 14.12, 14.33, 14.36, 14.38, 14.49 14.45
WEEK 13 11 - 15 April
Mon 11 Convergence tests for Series 14.46, 14.58, 14.61, 14.63 14.52. For full credit, prove (a) or (b).
For double credit, prove both (a) and (b).
Chapter 15: Continuous Functions
Wed 13 Limits and Continuity 15.1-3, 15.6, 15.8, 15.15, 15.18
Fri 15 Limits and Continuity, continued 15.12
WEEK 14 18 - 22 April
Mon 18 Intermediate Value Theorem 15.4, 15.7, 15.22, 15.24, 15.30, 15.33 15.23
Wed 20 Maximum-Minimum Theorem 15.9-10, 15.26 15.9(d)
Fri 22 Uniform Continuity 15.35(b)
WEEK 15 25 - 29 April
Mon 25 REVIEW Chapter 13 13.8, 13.11, 13.14, 13.29
Wed 27 REVIEW Chapter 14 14.6, 14.10, 14.33, 14.35(b)
Fri 29 REVIEW Chapter 15 15.4, 15.10, 15.14, 15.18(b)
May
FINAL
EXAM
WEEK
2 - 6 May
Wed 4 FINAL EXAM
2:15 - 4:15 p.m.
Objectives for Final Exam


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Document last modified Wed Aug 24 2011