When is a heap of sand not a heap? And when does a man go bald? Read more
now playing
Sorites paradox
When is a heap of sand not a heap? And when does a man go bald?
Ship of Theseus
If Theseus' ship is repaired until no original planks remain is it still Theseus' ship?
The Surprise Test
How logic can prove the impossibility of a surprise test. So what's the flaw?
