Western Civilization I / Unit 4 WC1 0312 short lesson, about 20 seconds
Four Elements, Four Humors, and the Atom
Captions available
The idea
The four-element theory, earth, water, air and fire, is Empedocles' on the witness; the anchor credits Anaximenes, who held air to be primary. Galen later built the four humors on it. Leucippus and Democritus proposed atoms.
In practice
Inductive reasoning from observation to theory.
Where people slip
Record the anchor's attribution and use the witness's. The exam expects Empedocles.
Your place on the trail
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Unlocks
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