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Determine whether the argument is valid or invalid by comparing it to known valid argument forms or fallacies. Justify your answer. 7) If I hear that poem, it reminds me of my mother. If I get sentimental, then it does not remind me of my mother. I get sentimental. Therefore, I don't hear that poem. A) Valid B) Invalid

Determine whether the argument is valid or invalid by comparing it to known valid argument forms or fallacies. Justify your answer. 7) If I hear that poem, it reminds me of my mother. If I get sentimental, then it does not remind me of my mother. I get sentimental. Therefore, I don't hear that poem. A) Valid B) Invalid

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Determine whether the argument is valid or invalid by comparing it to known valid argument forms or fallacies. Justify your answer. 7) If I hear that poem, it reminds me of my mother. If I get sentimental, then it does not remind me of my mother. I get sentimental. Therefore, I don't hear that poem. A) Valid B) Invalid
Transcribed Image Text:Determine whether the argument is valid or invalid by comparing it to known valid argument forms or fallacies. Justify your answer. 7) If I hear that poem, it reminds me of my mother. If I get sentimental, then it does not remind me of my mother. I get sentimental. Therefore, I don't hear that poem. A) Valid B) Invalid
Expert Solution
Step 1

Let's break this arguments in the following statements:

P(x):  I hear that poem

Q(x) : Reminds me of my mother

R(x) : I get sentimental

So now argument becomes  P(x)⇒Q(x)

                                            R(x) ⇒¬Q(x) which can also be written as Q(x) ⇒¬R(x) { if we apply negation both sides}

therefore by hypothesis,   P(x)⇒¬ R(x) which can also be written as R(x) ⇒¬P(x) { if we apply negation both sides}

 which means i get sentimental . therefore i don't hear that poem

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