Question: Please provide proof in paragraph form Problem 4. (20 points) Leo and Vahid are playing the following game. There's a stack of 10n coins for

Please provide proof in paragraph form

Problem 4. (20 points) Leo and Vahid are playing the following game. There's a stack of 10n coins for n 2 1. The bottommost coin in the stack is a very valuable gold coin. The rest are worthless. The goal of the game is to take the gold coin. The rules are as follows. The players take turns. Each turn consists of removing some number of coins, between 1 and 9, from the top of the stack. Skipping turns is not allowed. Leo starts. Prove by induction that no matter what Leo's strategy is, Vahid always has a winning strategy

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