On each homework assignment, please write (i) your name, (ii) name of course, and (iii) homework number. You are allowed and encouraged to work together on homework. Yet, each student is expected to turn in their own work. In general, late homework will not be accepted. However, you are allowed to turn in one late homework assignment with no questions asked. Unless you have made arrangements in advance with me, homework turned in after class will be considered late. I reserve the right to modify assignments if the need arises. When doing your homework, I encourage you to use the Elements of Style for Proofs as a reference.

Here are the assignments. I will post them as we go. *Note:* You can obtain the corresponding LaTeX files by clicking on the link and replacing .pdf with .tex.

- Homework 1 (Due Wednesday, January 27)
- Homework 2 (Due Wednesday, February 3)
- Homework 3 (Due Wednesday, February 10)
- Homework 4 (Due Wednesday, February 17)
- Homework 5 (Due Wednesday, February 24)
- Homework 6 (Due Wednesday, March 23)
- Homework 7 (Due Wednesday, March 30)
- Homework 8 (Due Wednesday, April 6)
- Homework 9 (Due Wednesday, April 13)
- Homework 10 (Due Wednesday, April 27)

Mathematics & Teaching

Northern Arizona University

Flagstaff, AZ

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MAT 226: Discrete Math

MAT 526: Combinatorics

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Flagstaff and NAU sit at the base of the San Francisco Peaks, on homelands sacred to Native Americans throughout the region. The Peaks, which includes Humphreys Peak (12,633 feet), the highest point in Arizona, have religious significance to several Native American tribes. In particular, the Peaks form the Diné (Navajo) sacred mountain of the west, called Dook'o'oosłííd, which means "the summit that never melts". The Hopi name for the Peaks is Nuva'tukya'ovi, which translates to "place-of-snow-on-the-very-top". The land in the area surrounding Flagstaff is the ancestral homeland of the Hopi, Ndee/Nnēē (Western Apache), Yavapai, A:shiwi (Zuni Pueblo), and Diné (Navajo). We honor their past, present, and future generations, who have lived here for millennia and will forever call this place home.