Apollonius <Pergaeus>, Apollonii Pergaei Conicorvm Lib. V. VI. VII. paraphraste Abalphato Asphahanensi : nunc primum editi ; additvs in calce Archimedis assvmptorvm liber, ex codibvs arabicis mss Abrahamus Ecchellensis Maronita latinos reddidit, Jo. Alfonsvs Borellvs curam in geometricis versione contulit & [et] notas vberiores in vniuersum opus adiecit

Page concordance

< >
Scan Original
81 43
82 44
83 45
84 46
85 47
86 48
87 49
88 50
89 51
90 52
91 53
92 54
93 55
94 56
95 57
96 58
97 59
98 60
99 61
100 62
101 63
102 64
103 65
104 66
105 67
106 68
107 69
108 70
109 71
110 72
< >
page |< < (19) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div80" type="section" level="1" n="47">
          <p>
            <s xml:id="echoid-s1264" xml:space="preserve">
              <pb o="19" file="0057" n="57" rhead="Conicor. Lib. V."/>
            nempe ad QH. </s>
            <s xml:id="echoid-s1265" xml:space="preserve">Eodem modo conſtat, quod quadratum IL excedit qua-
              <lb/>
            dratum I N quantitate exemplaris applicati ad H P, & </s>
            <s xml:id="echoid-s1266" xml:space="preserve">quod quadratum
              <lb/>
            B I excedit quadratum I N exemplari applicato ad I H, & </s>
            <s xml:id="echoid-s1267" xml:space="preserve">quod quadra-
              <lb/>
            tum I O excedit quadratum I N exemplari applicato ad R H (eo quod
              <lb/>
              <note position="left" xlink:label="note-0057-01" xlink:href="note-0057-01a" xml:space="preserve">m</note>
            quadratum R I æquale eſt duplo trianguli R V I, & </s>
            <s xml:id="echoid-s1268" xml:space="preserve">quadratum O R ęqua-
              <lb/>
              <note position="right" xlink:label="note-0057-02" xlink:href="note-0057-02a" xml:space="preserve">Prop. 1. h.</note>
            le eſt duplo trapezij R G, at in ellipſi quando O R cadit infra centrum F
              <lb/>
            æquale eſt duplo trapezij R K; </s>
            <s xml:id="echoid-s1269" xml:space="preserve">quadratum igitur O I in ellipſi æquale eſt
              <lb/>
              <note position="right" xlink:label="note-0057-03" xlink:href="note-0057-03a" xml:space="preserve">Prop. 3. h.</note>
            duplo trianguli K E F, quod eſt æquale F C G cum duplo trapezij V F,
              <lb/>
              <note position="left" xlink:label="note-0057-04" xlink:href="note-0057-04a" xml:space="preserve">n</note>
            igitur quadratum O I in hyperbola, & </s>
            <s xml:id="echoid-s1270" xml:space="preserve">ellipſi excedit duplum trapezij I G
              <lb/>
            (quod eſt æquale quadrato N I) duplo trianguli V S
              <emph style="sub">0</emph>
            , quod eſt æquale
              <lb/>
              <note position="left" xlink:label="note-0057-05" xlink:href="note-0057-05a" xml:space="preserve">o</note>
            exemplari applicato ad R H: </s>
            <s xml:id="echoid-s1271" xml:space="preserve">& </s>
            <s xml:id="echoid-s1272" xml:space="preserve">ſimiliter patet, quod quadratum A I ex-
              <lb/>
            cedit quadratum N I exemplari applicato ad D H, eſtque D H maior
              <lb/>
            quàm R H, & </s>
            <s xml:id="echoid-s1273" xml:space="preserve">R H maior quàm I H; </s>
            <s xml:id="echoid-s1274" xml:space="preserve">quare A I maior eſt, quàm O I, & </s>
            <s xml:id="echoid-s1275" xml:space="preserve">
              <lb/>
              <note position="left" xlink:label="note-0057-06" xlink:href="note-0057-06a" xml:space="preserve">p</note>
            O I maior, quàm B I, & </s>
            <s xml:id="echoid-s1276" xml:space="preserve">B I, quàm N I, & </s>
            <s xml:id="echoid-s1277" xml:space="preserve">quodlibet horum duorum ex-
              <lb/>
            cedit N I poteſtate plano iam dicto, & </s>
            <s xml:id="echoid-s1278" xml:space="preserve">hoc erat oſtendendum.</s>
            <s xml:id="echoid-s1279" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div82" type="section" level="1" n="48">
          <head xml:id="echoid-head74" xml:space="preserve">Notæ in Propoſitionem VIII.</head>
          <p>
            <s xml:id="echoid-s1280" xml:space="preserve">S I menſura fuerit maior comparata, dummodò in ellipſi ſit portio tran-
              <lb/>
              <note position="left" xlink:label="note-0057-07" xlink:href="note-0057-07a" xml:space="preserve">a</note>
            ſuerſæ, non maior medietate ipſius, tunc minimus, &</s>
            <s xml:id="echoid-s1281" xml:space="preserve">c. </s>
            <s xml:id="echoid-s1282" xml:space="preserve">Sic puto le-
              <lb/>
            gendum: </s>
            <s xml:id="echoid-s1283" xml:space="preserve">Si menſura fuerit maior comparata, dummodo in ellipſi minor ſit me-
              <lb/>
            dietate axis tranſuerſi, tunc minimus, &</s>
            <s xml:id="echoid-s1284" xml:space="preserve">c. </s>
            <s xml:id="echoid-s1285" xml:space="preserve">Nam ſi menſura ſumi poſſet æqua-
              <lb/>
            lis ſemitranſuerſo, tunc qui-
              <lb/>
              <figure xlink:label="fig-0057-01" xlink:href="fig-0057-01a" number="28">
                <image file="0057-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0057-01"/>
              </figure>
            dem origo eßet in centro elli-
              <lb/>
            pſis, quare undecima propo-
              <lb/>
            ſitio huius eſſet ſuperflua, in
              <lb/>
            qua ſupponitur origo in ipſo-
              <lb/>
            met centro ellipſis. </s>
            <s xml:id="echoid-s1286" xml:space="preserve">Animad-
              <lb/>
            uertendum eſt quod in hac
              <lb/>
            propoſitione menſura neceſſa-
              <lb/>
            riò ſumi debet in axe maiori
              <lb/>
            ellipſis; </s>
            <s xml:id="echoid-s1287" xml:space="preserve">quandoquidem menſu-
              <lb/>
            ra I C ponitur maior, quàm
              <lb/>
            C G, & </s>
            <s xml:id="echoid-s1288" xml:space="preserve">C F maior quàm C I,
              <lb/>
            ergo C F maior eſt quàm C G,
              <lb/>
            & </s>
            <s xml:id="echoid-s1289" xml:space="preserve">illius duplum ſcilicet axis
              <lb/>
            E C maior erit duplo huius, ſed ut E C ad duplum C G, ita eſt quadratum E C
              <lb/>
            ad quadratum Recti axis eiuſdem ellipſis: </s>
            <s xml:id="echoid-s1290" xml:space="preserve">ergo E C eſt maior duorum axium
              <lb/>
            ellipſis A B C.</s>
            <s xml:id="echoid-s1291" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1292" xml:space="preserve">Et educta ex H perpendiculari H N, &</s>
            <s xml:id="echoid-s1293" xml:space="preserve">c. </s>
            <s xml:id="echoid-s1294" xml:space="preserve">Ideſt ex H educta H N per-
              <lb/>
              <note position="left" xlink:label="note-0057-08" xlink:href="note-0057-08a" xml:space="preserve">b</note>
            pendiculari ad axim C I, quæ ſecet ſectionem in N, & </s>
            <s xml:id="echoid-s1295" xml:space="preserve">iuncta recta N I, pari-
              <lb/>
            terque ductis reliquis ramis I M, I L, I B, I A, atque ab eorum terminis ad
              <lb/>
            axim extenſis perpendicularibus, vt in propoſitionibus quarta, quinta, ſexta
              <lb/>
            factum eſt.</s>
            <s xml:id="echoid-s1296" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1297" xml:space="preserve">Quadratum H N in parabola æquale eſt H I nempè C G in H C bis
              <lb/>
              <note position="left" xlink:label="note-0057-09" xlink:href="note-0057-09a" xml:space="preserve">c</note>
            (prima ex quinto) &</s>
            <s xml:id="echoid-s1298" xml:space="preserve">c. </s>
            <s xml:id="echoid-s1299" xml:space="preserve">Hoc deduci non poteſt ex prima propoſitione huius </s>
          </p>
        </div>
      </text>
    </echo>