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A strictly dominated strategy can be defined as follows - 1.For player i, a pure strategy si Si is strictly dominated by a mixed strategy
A strictly dominated strategy can be defined as follows -
1.For player i, a pure strategy si Si is strictly dominated by a mixed strategy
i (Si) if ui(i , si) > ui(si , si) for all si Si (1)
Prove that this definition is equivalent to the following definition.
2.For player i, a pure strategy si Si is strictly dominated by a mixed strategy
i (Si) if ui(i , i) > ui(si , i) for all i Si (2)
In other words, show (1) implies (2) and (2) implies (1).
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