Homework: Reading and Problem Sets

Math 220-03, Fall 2025
Rob Benedetto


All section numbers are from Richmond and Richmond, A Discrete Transition to Advanced Mathematics, 2nd ed.

This table will grow as the semester progresses and more problem sets are assigned.

All sets due on Gradescope at 11:59pm ET on their due dates.

(Think of that as 11:49pm, allowing at least 10 minutes to submit on Gradescope and assign pages to problems.)

Click here for more homework rules.

Reading, Videos, and Problem Sets
Set
Number
Due Sections
to Read
Videos
to Watch
Problem
Sheet
Solutions
0 Thu,
Sep 4
-- -- Homework 0 N/A
1 Fri, Sep 5
Mon, Sep 8
1.1 Video 1: Combining
more than two sets
Homework 1 Solutions to Homework 1
2 Tue, Sep 9
Wed, Sep 10
1.1, 1.2 Video 2: A
Union Proof
Homework 2 Solutions to Homework 2
3 Fri, Sep 12 1.2, 1.3 Video 3: A
Partition Proof
Homework 3 Solutions to Homework 3
4 Tue, Sep 16 1.4, 1.5 -- Homework 4 Solutions to Homework 4
5 Fri, Sep 19 1.6 Video 4: A Negated
Quantifier Proof
Homework 5 Solutions to Homework 5
6 Tue, Sep 23 2.1 -- Homework 6 Solutions to Homework 6
7 Fri, Sep 26 2.1, 2.2 Video 5: Odds
and Evens
Homework 7 Solutions to Homework 7
8 Tue, Sep 30
Wed, Oct 1
2.3, 3.1 Video 6: Bad Induction

Video 7: The Strong
Pigeonhole Principle
Homework 8 Solutions to Homework 8
9 Fri, Oct 10 3.2, 3.3 Video 8: A GCD Theorem

Video 9: The Euclidean
Algorithm
Homework 9
10 Fri, Oct 17 6.1 Video 10: Exam 1 Proof Review Homework 10



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