Editorial notes

1) Continuation from Ms-147,BCr.

2) Continuation from Ms-146,48v.

3) There is an arrow to a remark on the following page.

4) There is a line connecting this sentence with the previous one.

5) There is a line connecting this remark with the following one.

6) There is a line connecting this remark with the following one.

7) In the graphic, the letter in the bottom-left corner of the triangle has been corrected from "β" to "γ".

8) Continuation in Ms-147_FCv.