This quiz covers Chapter 5 in the textbook and the document "Rules of Inference," which is posted on BB. Each question is worth 2 points for a total of 20 points (10 x 2).

Part 1: For each of the following arguments, provide the conclusion. Be sure to type out the full and accurate conclusion as a [one] grammatically correct sentence. (Words and phrases in parentheses are not technically part of the argument.) When adding the conclusion, your goal is to create a valid deductive argument.

1. Whenever I am down in the dumps, having a Bud with a few of my buds gets me back on top of things. I am down in the dumps (taking this imbecilic exam).

conclusion => To get on top of things I just need to have a bud with a few of my buds.

 

2. Anyone who has made his bed and now lies in it is a person who is stuck with the horrendous results of his impatient behavior. Anyone who gets married in Las Vegas (by Elvis) to a stranger he has known for three hours is a person who has made his bed and now lies in it.

conclusion => Getting married to a stranger you have known for three hours in Las Vegas, is an impatient behavior and you will get stuck with the horrendous results of your actions.

 

3. The last time I took my vacation in Peru I swam in the Pacific Ocean. The last time I took my vacation in Peru I gained ten pounds.

conclusion => During my last vacation in Peru I swam in the Pacific Ocean and also gained ten pounds.

 

4. It is not true that I will eat both a slice of pie and a slice of layer cake for desert tonight. (I just decided under pressure from my wife that) I will eat a slice of pie for desert tonight.

conclusion =>Both a slice of pie and a slice of layer cake was available for desert tonight but under my wife’s influence I will have to eat a slice of pie.

 

5. Whenever I take a philosophy course, I end up getting pneumonia half way through the course. This term (I just noticed!) I am taking either a philosophy course or a marketing course. (But I also know that) whenever I take a marketing course, I come down with the flu half way through the course.

conclusion => This term I will either have pneumonia or flu depending on the course I will take.

 

Part 2. For each of the valid argument forms listed below, provide an example of the form entirely in English. Of course, your example should be a valid deductive argument.

6. Double Negation (either version; one but not both, please).

She does not cook good food. Hence she is not a chef, because she would cook good food, if she was a chef.

 

7. Modus Tollens

He would know the legal procedures if he was a lawyer. He is not a lawyer since he does not know the legal procedures.

 

8. Disjunctive argument (= disjunctive syllogism)

For the assignment, you have to do question one or question two. But because you no knowledge to do question two, you have no choice but to do question one.

 

 

9. Modus Ponens

I will attend the concert, thus, I have a chance to meet my favorite artist, since one has a chance to meet him if you attend the concert.

 

 

10. Chain

Your business will prosper in time, if you have good managerial skills, seeing as you had to have taken a business course, if you are to learn good managerial skills, and if you took the business course, your business will prosper.