Question: A tiger is a cat and a giraffe is a dog. A tiger is not a cat or a giraffe is not a dog. Therefore,

A tiger is a cat and a giraffe is a dog. A tiger is not a cat or a giraffe is not a dog. Therefore, a tiger is not a cat.

Translate the argument into symbolic form. Then determine whether the argument is valid or invalid.

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A Survey of Mathematics with Applications 10th edition by Allen R. Angel, Christine D. Abbott, Dennis Runde