Card 04
"If you are in Tokyo, then you are in Japan."
🔁 🇯🇵 🗼
"If you are in Tokyo, then you are in Japan."
Which of these statements
MUST also be true?
💭 How to Think About This
In logic, every rule has a "twin" that is logically identical. Find the twin. Hint: Flip it to the negative.
Select the logical equivalent:
🤔 Which thinking lens(es) did you use?
Select all the lenses you used:
👨👩👧 For Parents & Teachers
🌱 Real World Example
Kid: "The rule says: If you run in the hall, you get a time out."
Kid: "I didn't run. So I shouldn't get a time out!"
Parent: "That's a Mistaken Negation. You threw a stapler. You can get a time out for other
things."
Parent: "The only rule is: If NO time out, then NO running happened."