DelMonte, Guidubaldo, In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata

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1
prima lem
ma in 13.
primi bui^{9}.
4. primi
huius.
ex 8. pri­
mi huius.
8. quinti.
8. quinti.
8.quinti.
SCHOLIVM.
In fine primæ demonſtrationis in vltima concluſione quan­
do
inquit Archimedes. Quare totius portionis centrum propinquius
eſt vertici portionis, quam trianguli planè in ſcripti Gra cus codexita ſe
habet ὢς τ̓ ἒιηκα ἐγγυτε<10>ον τᾶς τοῦ τμάματος κο<10>υφᾶς τὸ κέντ<10>ον τοῦ ὂλου
τμάματος, ἤ τοῦ ἐγγ<10>αφομένου τ<10>ιγώνου γνω<10>ίμως
. verbaquè ἔιη κα malè in
terpoſita ſunt, nullumquè cum alijs rectum ſenſum habent,
quare horum loco ponerem ἐσί, vt ſenſus ſit, ὤς τἔγγύτε<10>ον ἐσι τᾶς
τοῦ τμάματος
, &c.
*
104[Figure 104]
Obſeruandum autem occurrit in demonſtrationibus, ab
Archimede allatis; quòd in prima demonſtratione ſupponit
Archimedes, HFGI eſſe parallelogrammum.
quòd vt ſit pa­
rallelogrammum, neceſſe eſt ſupponere centra grauitatis HI
ſecare lineas KF LG in partes inuicem proportionales.
quod
tamen ſupponi poſſe minimè videtur.
Et ſi quis ex quinto
poſtulato obijceret, centragrauitatis in æqualibus, ſimilibuſ­
què figuris eſſe æqualiter poſita; admitti quidem poteſt;

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