Archimedes - Archimedis De iis qvae vehvntvr in aqva libri dvo

Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

Table of contents

[21.] ARCHIMEDIS DE IIS QVAE VEHVNTVR IN AQVA LIBER SECVNDVS. CVM COMMENTARIIS FEDERICI COMMANDINI VRBINATIS. PROPOSITIO I.

[22.] PROPOSITIO II.

[23.] COMMENTARIVS.

[24.] PROPOSITIO III.

[25.] PROPOSITIO IIII.

[26.] COMMENTARIVS.

[27.] PROPOSITIO V.

[28.] COMMENTARIVS.

[29.] PROPOSITIO VI.

[30.] COMMENTARIVS.

[31.] LEMMAI.

[32.] LEMMA II.

[33.] LEMMA III.

[34.] LEMMA IIII.

[35.] PROPOSITIO VII.

[36.] PROPOSITIO VIII.

[37.] COMMENTARIVS.

[38.] PROPOSITIO IX.

[39.] COMMENTARIVS.

[40.] PROPOSITIO X.

[41.] COMMENTARIVS.

[42.] LEMMA I.

[43.] LEMMA II.

[44.] LEMMA III.

[45.] LEMMA IIII.

[46.] LEMMA V.

[47.] LEMMA VI.

[48.] II.

[49.] III.

[50.] IIII.

14315DE CENTRO GRAVIT. SOLID.

97[Figure 97] ni portionem, ita eſt c_y_lindrus ad c_y_lindrum, uel c_y_lin-
dri portio ad c_y_lindri portionem: & ut p_y_ramis ad p_y_ra-
midem, ita priſma ad priſma, cum eadem ſit baſis, & æqua
lis altitudo; erit c_y_lindrus uel c_y_lindri portio x priſma-
ti _y_ æqualis. eftq; ut ſpacium g h ad ſpacium x, ita c_y_lin-
drus, uel c_y_lindri portio c e ad c_y_lindrum, uel c_y_lindri por-
tionem x. Conſtatigitur c_y_lindrum uel c_y_lindri portionẽ
c e, ad priſina_y_, quippe cuius baſis eſt figura rectilinea in
117. quinti ſpacio g h deſcripta, eandem proportionem habere, quam
ſpacium g h habet ad ſpacium x, hoc eſt ad dictam figuram.
quod demonſtrandum fuerat.

THE OREMA IX. PROPOSITIO IX.

Si pyramis ſecetur plano baſi æquidiſtante; ſe-
ctio erit figura ſimilis ei, quæ eſt baſis, centrum
grauitatis in axe habens.

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