Lesson in Logic

This week’s lesson for my students in Math 3200:

On Monday, I tell the students that there will be an in-class quiz this week, and that if I don’t give a quiz on Wendesday, then I will give a quiz on Friday.
On Wednesday, I give the students a quiz.
On Friday, I give the students a second quiz. The second quiz consists of the following question:

Let P be the statement “There is no quiz on Wednesday,” and let Q be the statement “There is a quiz on Friday.” On Monday, your instructor made the statement $P \Rightarrow Q$ . Based on his actions this week, and based on the fact that you are now taking a quiz on Friday, what is the truth value of the statement $P \Rightarrow Q$ ?

Like this:

Be the first to like this post.

Explore posts in the same categories: Mathematics, Teaching

This entry was posted on August 22, 2010 at 6:10 pm and is filed under Mathematics, Teaching. You can subscribe via RSS 2.0 feed to this post's comments.

Tags: logic, quiz

You can comment below, or link to this permanent URL from your own site.

Leave a Reply Cancel reply

Enter your comment here...

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

Email (required) (Address never made public)

Name (required)

Website

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

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

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

Cancel

Connecting to %s

Math Aftermath

Lesson in Logic

Like this:

Leave a Reply Cancel reply

Follow “Math Aftermath”