Practice more problem-solving at https://brilliant.org/TedEd/
Solution to bonus riddle: https://brilliant.org/TedEdTrollParadox/
You and your brother have discovered another realm and set off exploring the new wonderful world. Along the way, you see a troll catching creatures in an enormous net. The troll agrees to release the creatures if you can come up with a statement that is both truth and false. Can you come up with the correct sentence and force the troll to release them? Dan Finkel shows how.
Lesson by Dan Finkel, directed by Artrake Studio.
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