You are shown a set of four cards. Each card has a number on one side, and a color on the other side. We would like to test the truth of the following statement.
If a card shows an even number on one face, then its opposite face is blue.
You are shown a set of four cards. Each card has a number on one side, and a color on the other side. We would like to test the truth of the following statement.
If a card shows an even number on one face, then its opposite face is blue.