A.J. Ayer's Emotivist Theory of Moral Language
23:39
David Hume's Argument Against Moral Realism
51:01
What is Philosophy?
22:27
An Explanation of Terminology used in Metaethics
54:13
A.J. Ayer and Logical Positivism
43:29
An argument against objective morality that defeats itself
30:35
Bernard Williams' Attack on Moral Relativism
28:41
Plato's Euthyphro - Which comes first: God or Morality?
1:23:34