Aristoteles
,
Quæstiones Mechanicæ
,
1585
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Ariſt. Quæſtiones
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re, quàm quot ſunt in ipſis A F & </
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<
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ſumpris. </
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<
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xml:space
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">Si autem ſecundum diametrum exten-
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dantur reſtes, quemad modum ſe habet in lectu-
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lo A B C D, dimidia non tot ſunt, quot ambo-
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rum latera F A F G. </
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<
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xml:space
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<
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fis F B, F A, ſunt foramina: </
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<
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</
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<
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<
s
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xml:space
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">ipſæ A F, B F, quæ exiſtentes, quàm A B,
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quare reſtis in tantum maior, quantum ambola
<
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<
gap
/>
era diame
<
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ro ſunt maiora.</
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</
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<
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<
s
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xml:space
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">Cur difficilius eſt longa ligna ab extremo ſu-
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<
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per humeros ferre, quàm ſecundum medium, æ-
<
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quali exiſtente pondere? </
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>
<
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xml:space
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">An quia vibrato ligno
<
lb
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ipſum extremum prohibet ferre vibratione ma-
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gis retrahens lationem? </
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>
<
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inflectatur, neque multam habeat
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,
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difficilius tamen ad ferendum eſt ab extremo,
<
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quoniam faciliùs ex medio eleuatur, quàm ab
<
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extremo, & </
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,
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qm̄ ſecundùm medium quidem eleuato ligno,
<
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ſemper ſeſe inuicem ſuſpendunt extrema, & </
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tera pars alteram bene ſubleuat medium enim
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veluti centrum fit, vbi habet is, qui eleuat, aut
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ſert. </
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<
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Extremorum
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igitur v
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rũ
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</
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ſurſum ſuſpenditur. </
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ſi ab extremo eleuetur,
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aut feratur, non ſanè facit: </
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dus ad vnum vergit medium, quò eleuatur, aut
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fertur. </
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<
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igitur aut portato ſecundùm A, ipſum q́uidem B
<
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deorſum
<
gap
/>
utans, ſurſum eleuat C: </
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>
<
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="
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">ipſum autem
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C deorſum nutans, B ſurſum eleuat: </
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>
<
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xml:space
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tem ſurſum eleuata hoc fac
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unt.</
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</
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<
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<
s
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xml:space
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">Cur ſi valde procerum fuerit
<
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pondus diffi-
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<
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note
>
cilius ſuper humeros geſtatur, etiam ſi medium
<
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quiſpiam illud ferat, quàm ſi breuius ſit? </
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nim dudum dictum eſt, cauſa
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eſt: </
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