Epistemology or the theory of science is a very crucial study, because it discusses a very fundamental aspect of human life, namely science. Epistemology investigates philosophically about the structure, methods, validity and goals of science. In the development of Islamic philosophy, epistemology as a new discipline of science that examines intuition and revelation. Intuition is knowledge that comes from God in the form of new views without deduction, speculation and observation. This kind of knowledge in Islam is called Ilm al-Wahby or 'Ilm al-Laduny whose position is lower than revelation. There are three epistemologies of science in Islam, namely bayani, irfani and burhani epistemologies. Bayani epistemology departs from religious texts...