# Thornton & Marion, Classical Dynamics, 5th Edition

## Chapter 1. Matrices, Vectors, and Vector Calculus

### Problem 20. Kronecker delta & Levi-Civita Symbol

#### The problem asks you to prove

- Some properties of Kronecker delta and Levi-Civita Symbol

#### You should know about

- Definition of Kronecker delta symbol (Equation 1.14)
- Definition of Levi-Civita symbol (Equation 1.67)

#### Solution

#### References

https://en.wikipedia.org/wiki/Kronecker_delta

https://en.wikipedia.org/wiki/Levi-Civita_symbol