Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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            <p id="N1728D" type="main">
              <s id="N172B5">
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              do pedes ſub thorace, vel capite perpendiculariter, vt opus
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              eſt, conſtituerentur; ſed magis à perpen diculo, in quo con­
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              uenire debent ad erectionem pedes, & caput, diſtarent, vt
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              per ſe patet. </s>
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              <s id="N172C9">Cæterum Baldus obijcit Ariſtoteli; ſedentem non ideo
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              quieſcere quod rectus angulus quietis ſit cauſa, ſed propte­
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              rea quod eius thoracis tum etiam femorum pondus ab ip­
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              ſa ſede ſuſtineatur; crura verò & pedes ideo non laborent,
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              quod partim ſuſpenſa ſint, partim ipſi ſolo innitantur. </s>
              <s id="N172D4">Sed
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              hoc nihil contra ipſius Philoſophi doctrinam concludit.
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              </s>
              <s id="N172DA">Non enim dixit Ariſtoteles, ſedentem abſolutè quieſcere
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              ex eo, quod rectus angulus quietis ſit cauſa, nulla habi­
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              ta ratione fulcimenti, cui ſedens innititur, ſed præſup­
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              poſita ſede, cui ſedens incumbendo ad angulos rectos
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              quieſcit, ait illum ad hoc vt ſurgat, angulos rectos in
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              acutos neceſſariò commutare. </s>
              <s id="N172E7">Quando quidem ſeruata re­
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              ctitudine angulorum moueri non poſſet, nec ſe totum ere­
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              ctum conſtituere ſuper planum horizontis per angulos re­
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              ctos. </s>
              <s id="N172F0">Quod ſi rurſus obijciat Baldus, angulos acutos non
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              eſſe cauſam ſurrectionis, ſed cauſam cauſæ illius, hoc eſt, vt
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              totum pondus corporis humani, vel centrum grauitatis il­
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              lius ſimul cum pedibus, quibus fulcitur in eadem linea
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              perpendiculari, vt diximus, collocetur; Nam ex hoc imme­
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              diatè procedit ſurrectio: Hoc inquam nihil, aut pa­
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              rum refert, dummodo concedatur, quod nega­
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              ri non poteſt, rectè ſcilicet Ariſtotelem
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              quæſtionem ſoluiſſe, dum quærenti
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              cur ſurgentes, prædictos angu­
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              los acutos thorace, ac fe­
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              more ſimul cum tibia
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              efficiant, inter
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              alia reſpon­
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              dit,
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              vt pedes ſub capite conſtituant
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              & ſic poſſint aſſur­
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              gere. </s>
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