Lecture 3 (Philosophy) Part 2, Pythagoras, Finally Noticed Camera was Off.

What did Pythagoras think was the fundamental substance of the universe?

1. A.Air, condensed and rarefied into the other elements
2. B.Numbers — represented as dots, both abstract and physical
3. C.The four classical elements bound by love and strife
4. D.The boundless apeiron from which everything separates off