[41.] THEOR. 10. PROP. 11.
[42.] THEOR. 11. PROP. 12.
[43.] SCHOLIVM.
[44.] THEOREMA 12. PROPOS. 13.
[45.] SCHOLIVM.
[46.] THEOR. 13. PROPOS. 14.
[47.] THEOREMA 14. PROPOS. 15.
[48.] SCHOLIVM.
[49.] I.
[50.] II.
[51.] III.
[52.] IIII.
[53.] THEOREMA 15. PROPOS. 16.
[54.] COROLLARIVM.
[55.] SCHOLIVM.
[56.] LEMMA.
[57.] THEOR. 16. PROPOS. 17.
[58.] PROBL. 2. PROP. 18.
[59.] PROBL. 3. PROPOS. 19.
[60.] SCHOLIVM.
[61.] PROBL. 4. PROP. 20.
[62.] PROBL. 5. PROP. 21.
[63.] SCHOLIVM.
[64.] I.
[65.] II.
[66.] THEOR. 17. PROPOS. 22.
[67.] SCHOLIVM.
[68.] FINIS LIBRI PRIMI THEODOSII.
[69.] THEODOSII SPHAE RICORVM LIBER SECVNDVS.
[70.] DEFINITIO.