Is the following argument valid or invalid? If Fido is a turtle, then Fido will have a shell. Fido is a turtle. Therefore, Fido has a shell.
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1.Suppose you know that an argument is sound. Do you know that its conclusion is true? Explain. 2.Consider the following argument and determine whether it is valid or invalid and whether it is sound or unsound: (1) All cats are mammals (2) Some mammals have tails. Therefore, (C) Some cats have tails.
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