Epistemology of philosophy object is theory of knowledge that details how we know the way/process. Studies that discuss the origins of philosophy. (Branch of philosophy relating to science)
1. Empirism = Knowledge sourced from the five senses and based on experience.
2. Rasionalism = Rasio (reason) and ism (understand). Reason is high understanding in thinking.
3. Positivism = (As something that actually happened, facts and evidence) can also be called reject uncertain events.