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Use the finite universe method to show the following are invalid. 25. 1. (3x)(Ex Cx) > (3x)(VxDx) 2. (x)(Ex > Cx) Answer: . /(x)(ExDx)

Use the finite universe method to show the following are invalid.

25. 1. (3x)(Ex Cx) > (3x)(VxDx) 2. (x)(Ex > Cx) Answer: . /(x)(ExDx)

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