DelMonte, Guidubaldo
,
In duos Archimedis aequeponderantium libros Paraphrasis : scholijs illustrata
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ſenſerit, demonſtrationeſquè tantùm de planis
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exi
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ſtimauerit, vel de ſolidis, non autem
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quibuſcũ〈que〉
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, ſed vel de
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rectilineis, vel de homogeneis tantùm, & de ijs, quæ inter ſe
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ſunt eiuſdem ſpeciei, longè aberrat à ſcopo, & mente Archi
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medis. </
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">vel de grauibus ſimpli
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citer, veluti in primis tribus theorematibus; vel de magnitu
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dinibus, vt in reliquis quin〈que〉 quod quidem nomen tam
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planis, quàm ſolidis quibuſcun〈que〉 eſt
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abbr
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cõmune
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, vt etiam ij,
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qui parùm in Mathematicis verſati ſunt, ſatis norunt. </
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ti etiam Euclides, dum quinti libri propoſitiones pertracta
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uit, quantitatem continuam ſub nomine magnitudinis
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cõ
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prehendit. </
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autẽ
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nomen grauis ſit
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cõmune
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, iam ſatis
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per ſe conſtat. </
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">Perſpicuum eſt igitur priora hæc octo Theo
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remata communia eſſe, tam planis, quàm ſolidis. </
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">ac non ſo
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lùm ſolidis eiuſdem ſpeciei, & homogeneis, verùm etiam ſoli
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dis diuerſæ ſpeciei, & hęterogeneis, vt ſuo loco manifeſtum
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fiet. </
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<
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">Iactoquè hoc fundamento, quod Archimedes in
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duob^{9}
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propoſitionibus, ſexta nempè, & ſeptima demonſtrauit; in o
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ctaua tanquam corrollarium colligit. </
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">Deinceps peculiariter
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pertractat de centro grauitatis planorum, nec amplius plana
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nominat magnitudinis nomine, ſed proprijs cuiuſcun〈que〉
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nominibus; vt parallelogrammi, trianguli, & aliorum huiuſ
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modi. </
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<
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">& in hac parte deſcendit ad particularia. </
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<
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">quippè cùm
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& ſi non actu fortaſſe, virtute tamen cuiuſlibet particularis
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plani centrum grauitatis nos doceat. </
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<
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">in primo enim libro
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ſat ſi bi viſum eſt oſtendiſſe centra grauitatum
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triangulorũ
">triangulorum</
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,
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ac parallelogrammorum, ex quibus cæterarum figurarum,
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veluti pentagoni, hexagoni, & aliorum ſimilium centra gra
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uitatis inueſtigare non admodum erit difficile. </
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<
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iuſmodi plana in triangula diuiduntur. </
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bri attingemus. </
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<
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">In ſecundo autem libro altiùs ſe extollit, &
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moro ſuo circa ſubtiliſſima theoremata verſatur; nempè cir
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ca centrum grauitatis conice ſectionis, quæ parabole nun
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cupatur. </
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<
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id
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">nonnullaquè præmittit theoremata, quæ ſunt tan
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quam præuie diſpoſitiones ad inueſtigandam demonſtra
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tionem centri grauitatis in parabole. </
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<
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Archimedem propriè elementa mechanica tradere. </
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</
archimedes
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