Monday, March 20, 2017

Simple Arguments

Some very simple arguments, to form into syllogisms:

1. Her shoes are new so they must be expensive.
2. He must drive a sports car; after all, he is having a mid-life crisis.
3. They are very sad because they lost their dog.
4. We should help poor people because we can.
5. Abortion is wrong since fetuses are living.

What's the conclusion of each argument? What's the stated premise? What premise to you have to add to make the argument a syllogism? 



1. Her shoes are new so they must be expensive.

P1. Her shoes are new.
P2. All new things are expensive. (Or, if something is new, then it's expensive).
C.  So, her shoes are expensive. 


2. He must drive a sports car; after all, he is having a mid-life crisis.

P1. He is having a mid-life crisis.
P2. All people having mid-life crises drive sports cars. (Or, if someone is having a mid-life crisis, then they drive a sports car). 
C.  So, he drives a sports car. 


3. They are very sad because they lost their dog.

P1. They lost their dog.
P2. If someone loses their dog, they are sad.  =(Or, All people who lose dogs are sad). 
C.  So, they are sad. 

4. We should help poor people because we can.

P1. We can help poor people.
P2. If we can do something, then we should do it. (= All things we can do, we should do). 
C.  Therefore, we should help poor people. 

5. Abortion is wrong since fetuses are living.

P1. Fetuses are living.
P2. If something is living, then it's wrong to kill it. (Or, all living things are wrong to kill). 
C.  Therefore, abortion (=killing fetuses) is wrong. 

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