妙法蓮華經玄義 10.46

10.46

○四研詳去取者，覈實故言研，覈權故言詳，適法相故言去取。

4. Investigating in detail what to discard and what to adopt: examining the real is called 'investigating'; examining the provisional is called 'in detail'; fitting the characteristics of dharmas is called 'discarding and adopting'.