妙法蓮華經玄義 7.99

7.99

復次，已說為迹，今說為本，已本今迹，俱迹俱本（云云）。或實本權迹四句（云云），體用乃至事理四句（云云）。

Furthermore, what was previously expounded is the trace, and what is now expounded is the original source; what was previously original is now trace; both are traces, both are original (and so forth). Or the four propositions on real original and provisional trace (and so forth), or the four propositions on substance and function, down to phenomena and principle (and so forth).