Apparatus

1 ef S  cd C
2 si C  f S
3 cubi S   om. C
4 e S   in interl. C
5 ab C  ab S
6 incommensurabilium S  commensurabilium C
7 cubi S   om. C
8 incommensurabiles C  commensurabiles S
9 destructione C  distinctione S
10 incommensurabiles S  commensurabiles C
11 quantitates S  qualitates C
12 incommensurabiles C  commensurabiles S