## Problem to think about: 3 gold balls and 3 silver balls are placed

## randomly into 3 bags. A random ball is selected and it is gold!

## What is the probability that if a second ball is selected from the same bag that it is also gold!

## Prob (X) = # of ways of X/ total # of ways.

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When proving something false one counter example will suffice.

To show something is true, one must argue for all cases...

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CHAPTER 5: MINIMAX

minimax ALPHA-BETA (COMPUTES THE SAME THING BUT FASTER - ESPECIALLY IF NODES

ARE PROPERLY ORDERED).

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CHESS graphs: nODES = PIECES AND SQUARES AROUND KING.

eDGES = ATTACK OR defend RELATIONSHIPS.