## sh3lsh one year ago Graph Theory!

1. sh3lsh

Could you help me parse this theorem? $\Sigma \deg^{-}(v) = \Sigma \deg^{+}(v) = |E|$

2. sh3lsh

Let G = (V,E) Underneath the sigmas are supposed to be $v \in V$

3. sh3lsh

(it's a graph with directed edges)