Guevara, Giovanni di, In Aristotelis mechanicas commentarii, 1627

Page concordance

< >
Scan Original
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
< >
page |< < of 303 > >|
    <archimedes>
      <text>
        <body>
          <chap id="N10019">
            <p id="N11791" type="main">
              <s id="N117F6">
                <pb pagenum="47" xlink:href="005/01/055.jpg"/>
                <emph type="italics"/>
              rem autem ſemper eam quæ præter naturam eſt ipſa minor
                <lb/>
              fertur: quia enim centro eſt vicinior quod trahit, vincitur
                <lb/>
              magis.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N11808" type="head">
              <s id="N1180A">COMMENTARIVS.</s>
            </p>
            <p id="N1180E" type="main">
              <s id="N11810">Qvamuis Philoſophus ſuperiori textu ſemel atque
                <lb/>
              iterum aſſumpſerit, ſemidiametrum, ſeu lineam
                <lb/>
              circulum deſcribentem, duabus ferri lationibus,
                <lb/>
              prout explicuimus; huc tamen illud probandum
                <lb/>
              reliquit, & ex dictis etiam de motu antrorſum & retrorſum
                <lb/>
              manifeſtum eſſe docet. </s>
              <s id="N1181D">Id igitur hic probat ex eo. </s>
              <s id="N11820">Nam ſi
                <lb/>
              in deſcriptione circuli, ſemidiameter vnam tantum lationem
                <lb/>
              pateretur, vt verbi gratia naturalem, qua rectà tenderet ver­
                <lb/>
              ſus, vnam aliquam differentiam ſitus, nunquam ad ipſius dia­
                <lb/>
              metri perpendiculum perueniret. </s>
              <s id="N1182B">Implicat enim vnica la­
                <lb/>
              tione, aliquid ſimul rectà tendere, ac in tranſuerſum, quem­
                <lb/>
              admodum ſe habet perpendiculum ad diametrum à qua pro­
                <lb/>
              pendit: At ſemidiameter circulum deſcribendo, aliquando
                <lb/>
              peruenit ad ſuum perpendiculum, ita vt coincidat cum illo:
                <lb/>
              Ergo non vnica, ſed duplici latione conuincitur ferri. </s>
            </p>
            <figure id="id.005.01.055.1.jpg" xlink:href="005/01/055/1.jpg" number="8"/>
            <p id="N1183D" type="main">
              <s id="N1183F">Sit enim circulus de­
                <lb/>
              ſcribendus ABCD, circa
                <lb/>
              centrum E. </s>
              <s id="N11847">Sitque dia­
                <lb/>
              meter AC, ſemidiameter
                <lb/>
              vero circulum deſcribens
                <lb/>
              AE. </s>
              <s id="N11851">Si igitur ipſa recta
                <lb/>
              A E, altero eius extremo
                <lb/>
              manente in centro E, al­
                <lb/>
              tero vero nempè A, cir­
                <lb/>
              cumferatur, aliquando
                <lb/>
              abſque dubio erit in ED,
                <lb/>
              quæ eſt perpendicularis
                <lb/>
              diametro AC. </s>
              <s id="N11863">Per
                <expan abbr="motũ">motum</expan>
                <lb/>
              autem naturalem ipſa AE, deſcendiſſet in FD, vel aliò rectè
                <lb/>
              tranſlata fuiſſet. </s>
              <s id="N1186E">Non ergo linea circulum deſcribens fertur, </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>