Exercise 5

If you haven’t done already, read the post 5: Inference and Validity before trying the following exercises.

You can check your answers for this exercise here.

1. We can determine whether a claim follows from its premises by finding out whether the premises are true or not. True / False?

2. What kind of statement a sentence is depends on what it says.
True / False?

3. A Universal statement tells us that anything that belongs to a given kind has a certain property. True / False?

4. An argument is valid if its premises are true and its conclusion is true.
True / False?

5. An argument may be sometimes valid and sometimes invalid, depending on what the premises are about. True / False?

6. Using the code U+, U-, P+ and P-, say what kind of statement each of the following is:

a. No teacher is perfect
b. My teacher is always kind
c. All teachers give me bad grades
d. Some teachers are not good teachers

Check the answers or continue reading

  1. No trackbacks yet.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s

%d bloggers like this: