SOLUTION: What is the answer? I think it's invalid. Determine whether the following symbolized arguments are valid or invalid by identifying the form of each. In some cases the argument

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Question 975482: What is the answer? I think it's invalid.
Determine whether the following symbolized arguments are valid or invalid by identifying the form of each. In some cases the argument must be rewritten using double negation or commutativity before it has a named form. Those arguments without a specific name are invalid.
∼D ⊃ N
D_
∼N

MP--valid.

MT--invalid.

DA--invalid.

AC--invalid.

Invalid.
I believe it's the last answer because it doesn't seem to substitute into the rules. Correct if I'm wrong, please! Thank you!!
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Yes, the argument is invalid. It is of the form:







In a conditional statement, a false antecedent tells you nothing about the truth of the consequent.

John

My calculator said it, I believe it, that settles it

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