Ethics
- How man should conduct himself
- This stems from Epistemology, the theory of knowledge — how we come to know things.
- Epistemology comes from Metaphysics, which deals with the first principles of things, including abstract concepts like knowing, cause, identity, time, space etc.
- Ethics applied to resolving conflicts between men is Law — not a separate branch of philosophy. See Philosophy for the full chain, and for where a popular account of it wrongly adds one.