Higher Math
Logic:
Methods of Proof:
- Direct Proof 1
- Direct Proof 2
- Equivalence Relations and Partitions
- Existence and Uniqueness, plus all other proofs review
Set Theory and Cardinality:
Abstract Algebra:
Groups:
Online Textbooks: from Pre-Calculus to Number Theory
- College Algebra by Carl Stitz and Jeff Zeager
- Apex Calculus by Gregory Hartman
- Single Variable Calculus by David Guichard
- Applied Discrete Structures by Al Doerr and Ken Levasseur
- Elementary Differential Equations by William F. Trench
- Linear Algebra by Jim Hefferon
- Abstract Algebra Theory and Applications by Thomas Judson
- Real Analysis by Brian Thomson and Andrew Bruckner
- Elementary Number Theory by Wissam Raji