ProofSpace Table of Contents Chapter 1: Preliminaries Chapter 2: Proof Techniques Chapter 3: Sets Chapter 4: Functions Section 1: Equivalence Relations Chapter 5: Relations Section 2: Equivalence Classes Chapter 6: Extra Topics Section 3: n-ary Relations ProofSpace by Aaron Heap and Suraj Uttamchandani, 麻豆传媒团队 is licensed under a .