[11.] PROPOSITIO IV.
[12.] SCHOLIVM I.
[13.] SCHOLIVM II.
[14.] PROPOSITIO V.
[15.] PROPOSITIO VI.
[16.] SCHOLIV M.
[17.] PROPOSITIO VII.
[18.] PROPOSITIO VIII.
[19.] PROPOSITIO IX.
[20.] PROPOSITIO X.
[21.] SCHOLIVM I.
[22.] SCHOLIVM II.
[23.] SCHOLIVM III.
[24.] PROPOSITIO XI.
[25.] PROPOSITIO XII.
[26.] SCHOLIVM.
[27.] PROPOSITIO XIII.
[28.] SCHOLIV M.
[29.] PROPOSITIO XIV.
[30.] SCHOLIV M.
[31.] PROPOSITIO XV.
[32.] SCHOLIVM.
[33.] PROPOSITIO XVI.
[34.] SCHOLIVM.
[35.] PROPOSITIO XVII. Segmenti fupradicti conoidis hyperbolici centrum grauitatis reperire.
[36.] SCHOLIVM.
[37.] PROPOSITIO XVIII.
[38.] SCHOLIVM I.
[39.] SCHOLIVM II.
[40.] SCHOLIVM III.