Discrete Mathematics: an Open IntroductionSupported by the National Science Foundation
About this Course
This course is designed to be a companion to Discrete Mathematics: An Open Introduction and was curated by the book's author, Oscar Levin. The problem sets map directly to textbook sections and contain problems drawn from the textbook, as well as supplementary problems.
An updated copy of the book can be downloaded freely here.
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- Edfinity Demo
- 0.2 Mathematical Statements
- 0.3 Sets
- 0.4 Functions
- 1.1 Additive and Multiplicative Principles
- 1.2 Binomial Coefficients
- 1.3 Combinations and Permutations
- 1.5 Stars and Bars
- 1.6 Advanced Counting Using PIE
- Chapter 1 Review
- 2.1 Describing Sequences
- 2.2 Arithmetic and Geometric Sequences
- 2.3 Polynomial Fitting
- 2.4 Solving Recurrence Relations
- Chapter 2 Review
- 3.1 Propositional Logic
- Chapter 3 Review
- 4.1 Graph Theory Definitions
- 4.2 Trees
- 4.3 Planar Graphs
- 4.4 Coloring Graphs
- 4.5 Euler Paths and Circuits
Edfinity is free for educators. Student access costs at most $17.00/student and may be paid by students or departments. Bookstores may purchase access codes.
Public institution subsidies and other pricing details can found here.
This is a multi-student license intended for use during instruction. You will be able to manage an online course of students and monitor their progress. Student licenses are valid for 5 months.
Edfinity is a full-featured homework system that supports mathematically aware problems with algebraic input, evaluation of mathematical expressions, and randomized variants for personalized learning. Use these problem sets as-is, or mix-and-match with other problem sets or your own problems as desired. Edfinity gives you complete control over the every aspect of students' online assessment experience.