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

Table of contents

< >
[111.] Notæ in Propoſit. LXXII.
[112.] SECTIO DECIMAQVARTA Continens Propoſ. LXXIII. LXXIV. LXXV. LXXVI. & LXXVII. PROPOSITIO LXXIII.
[113.] PROPOSITO LXXIV.
[114.] PROPOSITO LXXV.
[115.] PROPOSITIO LXXVI.
[116.] PROPOSITIO LXXVII.
[117.] Notæ in Propoſit. LXXIII.
[118.] LEMMA XII.
[119.] Notæ in Propoſ. LXXIV.
[120.] Notæ in Propoſit. LXXV.
[121.] Notæ in Propoſ. LXXVI.
[122.] Notæ in Propoſit. LXXVII.
[123.] COROLLARIVM.
[124.] SECTIO DECIMAQVINTA Continens Propoſ. XXXXI. XXXXII. XXXXIII. Apollonij. PROPOSITIO XXXXI.
[125.] PROPOSITO XXXXII.
[126.] PROPOSITIO XXXXIII.
[127.] Notæ in Propoſ. XXXXI.
[128.] Notæ in Propoſ. XXXXII.
[129.] Notæ in Propoſit. XXXXIII.
[130.] SECTIO DECIMASEXTA Continens XVI. XVII. XVIII. Propoſ. Apollonij.
[131.] Notæ in Propoſit. XVI. XVII. XVIII.
[132.] SECTIO DECIMASEPTIMA Continens XIX. XX. XXI. XXII. XXIII. XXIV. & XXV. Propoſ. Apollonij. PROPOSITIO XIX.
[133.] PROPOSITIO XX. XXI. & XXII.
[134.] PROPOSITIO XXIII. & XXIV.
[135.] PROPOSITIO XXV.
[136.] Notæ in Propoſit. XIX.
[137.] Notæ in Propoſit. XX. XXI. XXII.
[138.] Notæ in Propoſ. XXIII. XXIV.
[139.] Notæ in Propoſ. XXXV.
[140.] SECTIO DECIMAOCTAVA Continens XXXII. XXXIII. XXXIV. XXXV. XXXVI. XXXVII. XXXVIII. XXXIX. XXXX. XXXXVII. XXXXVIII. Propoſit. Apollonij. PROPOSITIO XXXII.
< >
page |< < (80) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div317" type="section" level="1" n="106">
          <p style="it">
            <s xml:id="echoid-s3335" xml:space="preserve">
              <pb o="80" file="0118" n="118" rhead="Apollonij Pergæi"/>
              <figure xlink:label="fig-0118-01" xlink:href="fig-0118-01a" number="99">
                <image file="0118-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0118-01"/>
              </figure>
            & </s>
            <s xml:id="echoid-s3336" xml:space="preserve">quia A H cadit infra A G ad partes axis cum D A, ad quam illa perpen-
              <lb/>
            dicularis eſt, extendatur vltra axim A E, nec poſsit inter tangentem A G, & </s>
            <s xml:id="echoid-s3337" xml:space="preserve">
              <lb/>
            ſectionem conicam A B, aliqua recta linea intercipi; </s>
            <s xml:id="echoid-s3338" xml:space="preserve">igitur A H cadit intra
              <lb/>
            coniſectionem, & </s>
            <s xml:id="echoid-s3339" xml:space="preserve">angulus E A H eſt acutus.</s>
            <s xml:id="echoid-s3340" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3341" xml:space="preserve">Quoniam ex D non educitur ad ſectionem A C vllus breuiſecans, & </s>
            <s xml:id="echoid-s3342" xml:space="preserve">c.
              <lb/>
            </s>
            <s xml:id="echoid-s3343" xml:space="preserve">
              <note position="right" xlink:label="note-0118-01" xlink:href="note-0118-01a" xml:space="preserve">b</note>
            Sequitur quidem ex hac hypotheſi, quod menſura E A non ſit maior ſemierecto
              <lb/>
              <note position="left" xlink:label="note-0118-02" xlink:href="note-0118-02a" xml:space="preserve">Ex 49. 50.
                <lb/>
              huius.</note>
            aut ſi maior eſt, ſit quoque perpendicularis D E maior Trutina F, ex conuerſa
              <lb/>
            propoſitione 51. </s>
            <s xml:id="echoid-s3344" xml:space="preserve">52. </s>
            <s xml:id="echoid-s3345" xml:space="preserve">huius per deductionem ad inconueniens.</s>
            <s xml:id="echoid-s3346" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3347" xml:space="preserve">Quare ſi centro D interuallo D B, &</s>
            <s xml:id="echoid-s3348" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3349" xml:space="preserve">Circulus enim B I L H A ra-
              <lb/>
              <note position="right" xlink:label="note-0118-03" xlink:href="note-0118-03a" xml:space="preserve">c</note>
            dio D B deſcriptus tranſibit per verticem A cum radius D B poſitus ſit æqualis
              <lb/>
            D A, cumque angulus D B I ſit acutus, ex Lemmate nono, cadet neceſſario B
              <lb/>
            I intra circulum B I L.</s>
            <s xml:id="echoid-s3350" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3351" xml:space="preserve">Ig tur circulus ſecat coniſectionem, &</s>
            <s xml:id="echoid-s3352" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3353" xml:space="preserve">Quia B I cadit extra coniſe-
              <lb/>
              <note position="right" xlink:label="note-0118-04" xlink:href="note-0118-04a" xml:space="preserve">d</note>
            ctionem, quàm tangit, & </s>
            <s xml:id="echoid-s3354" xml:space="preserve">intra circulum B L A, vt dictum eſt, è contra re-
              <lb/>
            cta A H cadit intra eandem coniſectionem, & </s>
            <s xml:id="echoid-s3355" xml:space="preserve">extra ipſum circulum, quem,
              <lb/>
            tangit, cum H A perpendicularis ſit ad circuli radium D A; </s>
            <s xml:id="echoid-s3356" xml:space="preserve">igitur circulus B
              <lb/>
            I L A fertur extra coniſectionem ad partes B I, & </s>
            <s xml:id="echoid-s3357" xml:space="preserve">intra eandem ad partes A
              <lb/>
            H; </s>
            <s xml:id="echoid-s3358" xml:space="preserve">quare neceſſario coniſectionem ſecat.</s>
            <s xml:id="echoid-s3359" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s3360" xml:space="preserve">Patet, vt dictum eſt, quod D L G ſit acutus, &</s>
            <s xml:id="echoid-s3361" xml:space="preserve">c. </s>
            <s xml:id="echoid-s3362" xml:space="preserve">Hoc enim ſequitur ex
              <lb/>
              <note position="right" xlink:label="note-0118-05" xlink:href="note-0118-05a" xml:space="preserve">e</note>
            nono Lemmate præmiſſo, reſpicit enim angulus D L G verticem A; </s>
            <s xml:id="echoid-s3363" xml:space="preserve">& </s>
            <s xml:id="echoid-s3364" xml:space="preserve">ideo eſt
              <lb/>
            acutus, & </s>
            <s xml:id="echoid-s3365" xml:space="preserve">cadit neceſſario recta L G intra circulum B L A radio D L deſcri-
              <lb/>
            ptum ad partes L A; </s>
            <s xml:id="echoid-s3366" xml:space="preserve">& </s>
            <s xml:id="echoid-s3367" xml:space="preserve">portio circuli L H A cadit intra coniſectionem L A;
              <lb/>
            </s>
            <s xml:id="echoid-s3368" xml:space="preserve">igitur recta L G cadit intra coniſectionem L A, ſed cadit extra eandem ſectio-
              <lb/>
              <note position="left" xlink:label="note-0118-06" xlink:href="note-0118-06a" xml:space="preserve">35. 36.
                <lb/>
              lib. 1.</note>
            nem, cum contingat eam in L, quod eſt abſurdum.</s>
            <s xml:id="echoid-s3369" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>