Question: 1. For n integer, prove 7n + 8 is even, if and only if n is even. 2. Knights always tell the truth, knaves always

1. For n integer, prove 7n + 8 is even, if and only if n is even. 2. Knights always tell the truth, knaves always lie, and spies can either tell the truth or lie. You are addressed as follows and know there is exactly one knight, one knave, and one spy among the three individuals. Determine their identities.A: 1 am the spyB: A is a knaveC: B is the knight

1. For n integer, prove 7n + 8 is even, if and

Knights always tell the truth, knaves always lie, and spies can either tell the truth or lie. You are addressed as follows and know there is exactly one knight, one knave, and one spy among the three individuals. Determine their identities. A: I am the spy B: A is a knave C: B is the knight

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