[61.] III.
[62.] IV.
[63.] V.
[64.] VI.
[65.] VII.
[66.] VIII.
[67.] IX.
[68.] THEOR. XI. PROP. XIX.
[69.] COROLL. I.
[70.] COROLL. II.
[71.] COROLL. III.
[72.] COROLL. IV.
[73.] COROLL. V.
[74.] COROLL. VI.
[75.] PROBL. VI. PROP. XX.
[76.] COROLL. I.
[77.] COROLL. II.
[78.] PROBL. VII. PROP. XXI.
[79.] MONITVM.
[80.] THEOR. XII. PROP. XXII.
[81.] PROBL. VIII. PROP. XXIII.
[82.] PROBL. IX. PROP. XXIV.
[83.] PROBL. X. PROP. XXV.
[84.] PROBL. XI. PROP. XXVI.
[85.] SCHOLIVM I.
[86.] SCHOLIVM II.
[87.] PROBL. XII. PROP. XXVII.
[88.] PROBL. XIII. PROP. XXVIII.
[89.] PROBL. XIV. PROP. XXIX.
[90.] PROBL. XV. PROP. XXX.