Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Table of figures

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              los videri ad motum faciliores, eo quod maior eſt angulus
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              contingentiæ ad planum, circumferentiæ minoris, quàm
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              maioris circuli, vt in ſubiecta figura maior eſt angulus ABC,
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              quàm DBC: probat quidem mi­
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              nores circulos minus offenſare
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              propter maiorem eleuationem
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              ipſius anguli à terra, vt ſupra ex
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              plicuimus; ſed non probat per ſe
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              facilius moueri; imò oppoſitum.
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              <s id="N141C9">Nam quo curuior eſt linea, eo re­
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              motior à motu recto, ac naturali,
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                <expan abbr="ideoq.">ideoque</expan>
              tardius mouetur, vt cum
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              Ariſtotele pariter probauimus in
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              principio. </s>
              <s id="N141D7">Nec recurrere fas eſt ad rotam materialem, quæ
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              ſi maior fit, maiore ſui parte tangit planum, cum idipſum
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              deſtruat eius aſſumptum, quod fundatur in eleuatione an­
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              guli contactus ſupra punctum B ſupponendo contactum
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              fieri in puncto ipſo B, & non in parte diuiſibili. </s>
              <s id="N141E2">Quod ſi di­
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              catur reuera fieri in parte diuiſibili tanto maiore, quanto
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              maior fuerit circumferentia, tunc variatur ſuppoſitio ante­
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              cedentis in conſequenti,
                <expan abbr="nihilq.">nihilque</expan>
              propterea verè concluditur. </s>
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              <s id="N141F1">Iam verò lo quendo Ariſtoteles de duobus reliquis mo­
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              dis, quibus dixerat rotunda, vel orbiculata corpora circula­
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              riter moueri abſque eo, quod agitentur ſecundum abſidem,
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              ſeu abſide planum contingant, ait, his etiam modis iam ex­
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              plicatis facillimè ipſa corpora moueri, ac alia ipſis adiuncta
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              veluti onera commouere. </s>
              <s id="N141FE">Non quidem ex eo, quod parua
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              ſui portione planum attingant, vel offenſent, vt dicebamus
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              de primo modo: ſed alia ex cauſa, quam initio huius operis
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              textu ſexto expoſuimus. </s>
              <s id="N14207">Nimirum quia circulus cum ex
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              duabus efficiatur lationibus, vel cum ſi moueatur ſecundum
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              circumferentiam, duabus feratur motionibus: altera obli­
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              qua, ac præter naturam; altera verò recta, ac ſecundum na­
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              turam: ad hanc ſemper habet nutum, ſeu propenſionem. </s>
              <s id="N14212">Si­
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              cut verbi gratia quodlibet graue ad
                <expan abbr="motũ">motum</expan>
              deorſum. </s>
              <s id="N1421B">Quam­
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              obrem qui mouent ipſum circulum ſecundum circumferen-</s>
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