How should come to understand modern western philosophy of science and scientific truth, is the scientific value of current scientific research and unavoidable epistemology is an important question.

The absolute truth and relative truth called in the proof in litigation are not equal to the absolute truth and relative truth in epistemology.

The discussion about truth in the meaning of epistemology has been integrated with what about good or justice in axiology in the history of philosophy, both of the questions are just same in origin.