Socrates: Used questions, to arrive at the definition of terms.

Socrates vs. the Sophists: https://www.youtube.com/watch?v=bPb1x3cHLNY

 

Euthyphro: An attempt to define piety.

Summary: https://www.youtube.com/watch?v=K4VN6VaUDkM                                                     Audio: https://www.youtube.com/watch?v=--lZWSMeVzA                                               

 

Plato (IDEALISM)

The Allegory of the Cave:

https://www.youtube.com/watch?v=OFylXQRbolM

https://www.youtube.com/watch?v=1RWOpQXTltA

https://www.youtube.com/watch?v=sAu-CNSh9F0

Lecture: https://www.youtube.com/watch?v=aBPd7getIcM

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Aristotle: (REALISM)

The Four Causes

https://www.youtube.com/watch?v=zdEzyA2HGnY

https://www.youtube.com/watch?v=QDVON6DeZaM