29:08

Mathematical Reasoning: Test 1 Review

28:32

Proof by Strong Induction (full lecture)

32:26

Math Reasoning: Combinatorial Identities and Proofs

26:18

Proof by Contradiction (full lecture)

6:42

Combinatorial Proof Example (Lecture 13)

20:02

An Introduction To Combinatorial Proofs

11:12

Combinatorial Proofs

15:29

Combinatorial Identities via both Algebraic and Combinatorial Proof [Discrete Math Class]