[11.] LEMME I.
[12.] Demonstr ation.
[13.] Corollaire.
[14.] LEMME II.
[15.] Demonstration.
[16.] Corollaire I.
[17.] Corollaire II.
[18.] LEMME III.
[19.] Demonstration.
[20.] Corollaire I.
[21.] Corollaire II.
[22.] Corollaire III.
[23.] LEMME IV.
[24.] Demonstration.
[25.] Corollaire I.
[26.] Corollaire II.
[27.] Corollaire III.
[28.] LEMME V.
[29.] Demonstration.
[30.] PROPOSITION FONDAMENTALE DES POIDS SUSPENDUS AVEC DES CORDES
[31.] Demonstration.
[32.] Corollaire I.
[33.] Corollaire II.
[34.] Corollaire III.
[35.] Corollaire IV.
[36.] Crollaire V.
[37.] Corollaire VI.
[38.] Corollaire VII.
[39.] Corollaire VIII.
[40.] Corollaire IX.