1. Using modus tollens, finish the argument that starts with “if the burns the burgers, Jason will order take out.”
2. Using hypothetical syllogism, finish the argument that starts with “if the take out food does not arrive, Jason will be unhappy.
3. Using modus ponies, finish the argument that starts with “if there’s pink fluid under the car, Vartan should check the transmission .”
4. Using hypothetical syllogism, finish the argument that starts with “if her tooth keeps aching , Pat will go to the dentist.”
5. using modus tollens, finish each of the following arguments
a. if the children keep screaming , the dentist will not be able to concentrate .
b.if path gets her tooth pulled, she won’t want to go to the movies tonight.
6. Using modus ponents, finish the following argument : if the dentist yells at the noisy children, the patients may be alarmed.
2. Name the argument forms in the following statements. Each statement involves one of the following forms: modus ponens, modus tollens, or hypothetical syllogism.
1. if it keeps snowing, the skiing will be great. The skiing was not great, so it didn’t keep snowing.
2. If the sun stays out, the snow will melt and the slopes will be muddy. If the snow melts and the slopes are muddy , then we can’t ski. Therefore, if the sun stays out, then we can’t ski.
3. if Zenon runs for public office, he’ll get a lot votes. Zenon did not get a lot of votes. So, he must not have run for public office.
4. If we read novels and drink espresso all night long, then we won’t finish our homework. We finished our homework. Therefore, we did read novels and drink espresso all night along.
5.If you are not consistent, then you can’t train a puppy. I see your puppy is trained. So, you must have been consistent.
6. If neither the police nor the fire truck arrives, we may wish we picked somewhere else to live. Neither the police nor the fire truck arrived. So, we may wish we picked somewhere else to live.
7.If Sandie keeps lying in the sun, she’ll get burned. Sandie did not get burned. We can conclude that Sandie did not keep lying in the sun.
Part Three
Name the formal fallacy or valid argument (either modus ponens or modus tollens
1. If Ray doesn’t study logic, he’ll go to the gym. Ray didn’t study logic, so he must be at the gym.
2.
If max get another Van Morrison album, we will get a new sound system. We got a new sound system, so Max must have gotten another Van Morrison record.
3. If Pinky feels better, he can go home and take hid dog blue for a walk. Pinky did not go home or take his dog blue for a walk. So, he must not feel better.
4. If Shannon doesn’t made it to dinner , so he won’t have to eat takeout as she drives.
5. If Amelia decides to go to law school, then she will have to take the LSAT. Amelia did not take the LSAT. Therefore, she didn’t decide to go to Law school.
6. If she worm gets into Mark’s address book, he’ll need to get an anti-virus program. The worm got into Mark’s address book. So, he’ll need to get an anti-virus program.
7. if a cook lacks the right ingredients, he won’t be able to make a good souffl’s .Claude wasn’t able to make a good souffl’s. So, he must not have had the right ingredients.
8. If Max keeps practicing his Chinese drums, he will drive Maris crazy. Max did not keep practicing his Chinese rums, so he did not drive Maria crazy.
Part 4
Name the rule of inference , rule of replacement , or formal fallacy below.
1. Unless you come with me, I won’t go to see Dr Guttierz.I didn’t go to see Dr. Guttierez . Therefore , you came with me.
2. I will talk with that Elvis impersonator if he stops singing. The Elvis impersonator stopped singing. Therefore, I talked with him.
3. if the doctor operates and leaves in a sponge, then there’ll be a lawsuit.
4. if that a badger, it may be wise to stay inside the car. It was wise to stay inside the car. therefore, it must be a badger out there .
5. either that’s an insurance saleman or its an extra from the interpreter . Thus, it it’s not an insurance salesman , then it’s an extra from the interpreter.
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