What is the 13 philosophical doctrines?

Answer 1

Some branches (doctrines) of philosophy are:

1. Metaphysics (the study of existence and the nature of reality)
2. Epistemology (the study of knowledge, and how and what we know)
3. Ethics (the study of how people should act, and what is good and valuable)
4. Aesthetics (the study of basic philosophical questions about art and beauty)
5. Logic (the study of good reasoning, by valid inference and demonstration)
6. Political Philosophy (the study of how people should interact in a proper society)
7. Philosophy of Mind (the study of the nature of mind, consciousness, etc)
8. Philosophy of Religion (the study of the nature of religion, God, evil, prayer, etc)
9. Philosophy of Language (the study of the nature, origins, and usage of language)
10. Philosophy of Education (the study of the purpose, process, nature and ideals of education)
11. Philosophy of History (the study of the eventual significance, if any, of human history)
12. Philosophy of Science (the study of the assumptions, foundations, and implications of science)

Many others could be listed. Some are: Philosophy of Law, Philosophy of Mathematics, and even Philosophy of Philosophy.