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384 BCE
Metaphysics
the branch of philosophy that deals with first principles and explain the nature of being or reality (ontology) and of the origin and structure of the universe (cosmology). Answers the question "What is the nature of reality?" -
Epistemology
It is a branch of philosophy that defined as the study of knowledge. It answers the question "What is the nature of Knowledge?" -
Axiology
It is the branch of philosophy that deals with the nature and value such as in ethics and religion. It answers the question "What is the nature of values?"