Monantheuil, Henri de
,
Aristotelis Mechanica
,
1599
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comprehenſo æquale: ſed & quadratum ex A B æquale eſt quadratis
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ex
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prop. 47. lib. 1. </
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>Eſt enim angulus
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rectus, cum ſit
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reliquus trium
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duobus rectis æqualium prop. 13.
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lib. 1. ſublatis duobus ſemirectis
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per coroll. prop. 32. lib. 1.
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A B comprehenſo maiora quadratis ex
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cum rectangulo
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bis ſub
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comprehenſo per quantitatem quadrati ex A C:
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ſed quadrata ex A B, A C cum rectangulo bis comprehenſo ſub
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A B, A C ſunt potentia lineæ C A B vtcunque ſectæ in A, id eſt
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æqualia ſunt quadrato ex C A B prop. 4. lib. 2. & per eandem qua
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drata ex
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cum rectangulo bis comprehenſo ſub
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ſunt
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potentia lineæ
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vtcunque ſectæ in
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Eſt ergo C A B maior
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potentia quam
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proinde erit & longitudine maior per coroll.
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è prop. 47. lib. 1. </
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>Similiter demonſtrabitur de reliquis. </
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lororum quantitas in lecto A B C D: quam in lecto
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quod
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erat demonſtrandum.
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His ita geometricè demonſtratis, nihil nunc obeſt exquirere, quæ
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ſit ex hac forma ſecunda in loris parſimonia. </
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B C D quæ tres ſunt ſecundum longitudinem extenſæ, æquales ſint
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ſingulæ lateri A C quod eſt ſex pedum: ſimul ſumptæ erunt 18. pe
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dum: & reliquæ ſecundum latitudinem ſingulæ ipſi A C æquales,
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faciunt 9. pedes, ideo omnes ſunt 27. pedes lororum. </
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cum omnes æquales lineæ ſint ipſi
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& ſit ex
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qua
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dratum æquale quadratis ex
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id eſt 9. & 9. </
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>Erit igitur
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18. quadratum ex
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cuius radix quadrata ferè eſt 4 2/9, quæ per 6.
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multiplicata facit 25 1/3 qui numerus ſuperatur à 27. per 1 2/3. </
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hoc in loris compendium eſt, quod licet exiguum, non contemnen
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dum tamen.
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">Et ſic ſemper.]
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Videtur Ariſtoteles voluiſſe in vno lecto fu
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nem vnum eſſe continuum, & per parallelogramma diſpergi atque
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extendi.
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curuatura reſtium vocatur ea
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pars quæ à foramine ad foramen ipſis extrinſecus applicatur ſpon
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dis, parallelogrammorumque à reſtibus ſeu loris effectorum minora
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efficiunt latera.
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Deinceps ad finem corruptißi
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