Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

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          <chap id="N10019">
            <p id="N115B3" type="main">
              <s id="N115C8">
                <pb pagenum="42" xlink:href="005/01/050.jpg"/>
              ab eo diſtant, magis relaxantur,
                <expan abbr="magisq.">magisque</expan>
              ſoluuntur à princi­
                <lb/>
              pio detinente, ac propterea minus impediuntur nè ad im­
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              pulſum vel motum alterius moueantur, & ſic velocius fe­
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              runtur. </s>
            </p>
            <p id="N115E6" type="main">
              <s id="N115E8">Verum enim uero, vt primum ac principale Ariſtotelis ar­
                <lb/>
              gumentum omninò concludat id quod intendit, examinanda
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              ac probanda ſunt nonnulla quæ in eo aſſumuntur, ac difficul­
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              tatem non paruam inuoluunt. </s>
              <s id="N115F1">Quorum vnum hic, reliqua
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              verò in ſequentibus ipſe pertractat. </s>
              <s id="N115F6">Illud igitur hic ſtatim
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              aggreditur probandum, quod de proportione duarum latio­
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              num docuerat, eam ſcilicet ſolùm dari in eo quod fertur mo­
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              tu recto. </s>
              <s id="N115FF">Quod quippe antequam probetur, ſano modo in­
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              telligendum eſt. </s>
              <s id="N11604">Etenim in partibus etiam circuli, dum vni­
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              formiter difformiter, geminata ac mixta quadam latione du­
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              cuntur in gyrum, ſemper aliqua ſeruatur vtriuſque lationis
                <lb/>
              proportio; vt ſcilicet magis vel minus participent de motu
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              naturali, aut præternaturali, iuxta diſtantiam vel propinqui­
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              tatem quam partes ipſæ habent cum centro. </s>
              <s id="N11611">Quare expli­
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              candus eſt Ariſtoteles, vt loquatur de proportione eadem,
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              non vero de quacunque. </s>
              <s id="N11618">Nam reuera, vt etiam Baldus de
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              monſtrat, licet circulus fiat, proportionibus quidem duarum
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              lationum ſeruatis; nunquam tamen eadem erit proportio
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              vnius lationis ad alteram reſpectu cuiuſque partis ipſius cir­
                <lb/>
              culi vel ſemidiametri, ſicut cum quippiam duabus lationibus
                <lb/>
              fertur ſuper rectam: & hoc ſolum probat Ariſtoteles, vt ſta­
                <lb/>
              tim videbimus; illud vtique intendens, quòd ſi eadem ſem
                <lb/>
              per proportio vtriuſque lationis ſeruaretur in deſcriptione
                <lb/>
              circuli, motus ille eſſet rectus, & non circularis de quo
                <lb/>
              agitur. </s>
            </p>
            <p id="N1162F" type="main">
              <s id="N11631">Rurſus antequam ad exactam eius probationem ex Geo­
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              metricis principijs accedamus, idem prælibare licebit exem­
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              plo huius figuræ, quod non parum ad dilucidationem textus,
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                <expan abbr="doctrinæq.">doctrinæque</expan>
              Ariſtotelis conducet. </s>
              <s id="N1163D">Sit enim corpus ſeu pon­
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              dus quod moueri debeat conſtitutum ſuper planum vbi A,
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              mouentia verò vbi B, C. </s>
              <s id="N11645">Deinde ſupponamus æquali virtu­
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              te & æquali ſimul tempore vtrumque mouens ad ſe pondus </s>
            </p>
          </chap>
        </body>
      </text>
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