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
61 23
62 24
63 25
64 26
65 27
66 28
67 29
68 30
69 31
70 32
71 33
72 34
73 35
74 36
75 37
76 38
77 39
78 40
79 41
80 42
81 43
82 44
83 45
84 46
85 47
86 48
87 49
88 50
89 51
90 52
< >
page |< < (87) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div339" type="section" level="1" n="111">
          <p style="it">
            <s xml:id="echoid-s3617" xml:space="preserve">
              <pb o="87" file="0125" n="125" rhead="Conicor. Lib. V."/>
            te O N angulum acutum L N O ver-
              <lb/>
              <figure xlink:label="fig-0125-01" xlink:href="fig-0125-01a" number="107">
                <image file="0125-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0125-01"/>
              </figure>
              <note position="right" xlink:label="note-0125-01" xlink:href="note-0125-01a" xml:space="preserve">Lem. 11.</note>
            ticem A reſpicientem; </s>
            <s xml:id="echoid-s3618" xml:space="preserve">eſtque G C or-
              <lb/>
            dinatim applicata ad diametrum N
              <lb/>
              <note position="right" xlink:label="note-0125-02" xlink:href="note-0125-02a" xml:space="preserve">5. lib. 2.</note>
            M parallela tangenti verticali O N;
              <lb/>
            </s>
            <s xml:id="echoid-s3619" xml:space="preserve">ergo angulus L P G externus æqua-
              <lb/>
            lis erit angulo L N O interno, & </s>
            <s xml:id="echoid-s3620" xml:space="preserve">op-
              <lb/>
            poſito, & </s>
            <s xml:id="echoid-s3621" xml:space="preserve">ad eaſdem partes conſtitu-
              <lb/>
            to; </s>
            <s xml:id="echoid-s3622" xml:space="preserve">& </s>
            <s xml:id="echoid-s3623" xml:space="preserve">ideo angulus G P L acutus
              <lb/>
            quoque erit, at in triangulo P M
              <lb/>
            L angulus internus L M P, & </s>
            <s xml:id="echoid-s3624" xml:space="preserve">oppo-
              <lb/>
            ſitus minor eſt externo L P G acuto; </s>
            <s xml:id="echoid-s3625" xml:space="preserve">
              <lb/>
            igitur angulus L M P acutus pariter
              <lb/>
            erit, & </s>
            <s xml:id="echoid-s3626" xml:space="preserve">L M C obtuſus; </s>
            <s xml:id="echoid-s3627" xml:space="preserve">ſuntq; </s>
            <s xml:id="echoid-s3628" xml:space="preserve">intrian-
              <lb/>
            gulis L M G, & </s>
            <s xml:id="echoid-s3629" xml:space="preserve">L M C circa an-
              <lb/>
            gulos inæquales, latera G M, M C
              <lb/>
            æqualia, & </s>
            <s xml:id="echoid-s3630" xml:space="preserve">L M commune; </s>
            <s xml:id="echoid-s3631" xml:space="preserve">ergo L
              <lb/>
            C maior eſt, quàm L G, quod erat
              <lb/>
            faciendum.</s>
            <s xml:id="echoid-s3632" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3633" xml:space="preserve">E contra fieri poteſt, vt infimus
              <lb/>
            breuiſecans ramus L C æqualis, aut
              <lb/>
            minor ſit ramo aliquo ſupra breuiſe-
              <lb/>
            cantem reliquum B L poſito. </s>
            <s xml:id="echoid-s3634" xml:space="preserve">Nam L C minor eſt, quàm B L, & </s>
            <s xml:id="echoid-s3635" xml:space="preserve">maior effici
              <lb/>
            poteſt ramo non vltra ſectionis verticem A collocato ex prima parte huius pro-
              <lb/>
            poſitionis, ſed rami à concurſu L educti cadentes inter puncta A, & </s>
            <s xml:id="echoid-s3636" xml:space="preserve">B ſucceſ-
              <lb/>
            ſiuè augentur quo magis à vertice A recedunt; </s>
            <s xml:id="echoid-s3637" xml:space="preserve">Ergo ramus L C æqualis,
              <lb/>
            aut minor erit aliquo ramo ab eodem concurſu L educto inter puncta
              <lb/>
            A, & </s>
            <s xml:id="echoid-s3638" xml:space="preserve">B cadente; </s>
            <s xml:id="echoid-s3639" xml:space="preserve">igitur manifeſtum eſt ramum breuiſecantem
              <lb/>
            C L infimum duorum breuiſecantium, non eſſe ſemper
              <lb/>
            minimum omnium ramorum cadentium ex concurſis
              <unsure/>
              <lb/>
            L ad peripheriam ſectionis A B C, ſed tan-
              <lb/>
            tummodo minorem eſſe eorum, qui inter
              <lb/>
            duo breuiſecantes B L, C L cadunt,
              <lb/>
            & </s>
            <s xml:id="echoid-s3640" xml:space="preserve">reliquorum infra ramum
              <lb/>
            C L cadentium, atque
              <lb/>
            aliquorum in pe-
              <lb/>
            pheria
              <lb/>
            A N exiſtentium propè maximum L B;
              <lb/>
            </s>
            <s xml:id="echoid-s3641" xml:space="preserve">quapropter exiſtimandum eſt, in-
              <lb/>
            curia alicuius verba illa non
              <lb/>
            ſine Apollonij iniuria
              <lb/>
            textui irrepſiſſe.</s>
            <s xml:id="echoid-s3642" xml:space="preserve"/>
          </p>
          <figure number="108">
            <image file="0125-02" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0125-02"/>
          </figure>
        </div>
      </text>
    </echo>