Part 1

I have three prizes, and I promise that I will give you either A or B if you give me a true statement and give you C if you make me a false statement.

Q: What statement should you make if you want to get prize A

Part 2

Now I bring in prize D and make you a promise that I will give you either A or B if you give me a true statement and give you C or D if you give me a false statement.

Q: What statement should you make if you want to get prize C? Q: What statement should you make to make me unable to keep my promise?

Solution

References

• Martin Gardiner’s book
• https://quantumfrontiers.com/2017/12/26/panzas-paradox/