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== Visual paradoxes == | == Visual paradoxes == | ||
>> Escher to do | >> Escher to do | ||
== Riddles == | |||
* while not paradoxes (because they can be solved), riddles present interesting intellectual scenarios for students | |||
=== The truth-teller & the liar riddle === | |||
* two monsters guard a fork in the road | |||
** one path leads to perdition, the other to escape | |||
** one monster always lies and the other always tells the truth | |||
** you are permitted to ask each monster one question | |||
** what do you ask in order to learn which path to take? | |||
== List of paradoxes in other articles here == | == List of paradoxes in other articles here == |