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
261 223
262 224
263 225
264 226
265 227
266 228
267 229
268 230
269 231
270 232
271 233
272 234
273 235
274 236
275 237
276 238
277 239
278 240
279 241
280 242
281 243
282 244
283 245
284 246
285 247
286 248
287 249
288 250
289 251
290 252
< >
page |< < (16) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div72" type="section" level="1" n="45">
          <p style="it">
            <s xml:id="echoid-s1187" xml:space="preserve">
              <pb o="16" file="0054" n="54" rhead="Apollonij Pergæi"/>
            D H minorem proportionem habet quàm A C, & </s>
            <s xml:id="echoid-s1188" xml:space="preserve">propterea B C ad E H minorem
              <lb/>
            proportionem habebit quàm A C ad D H.</s>
            <s xml:id="echoid-s1189" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1190" xml:space="preserve">Tertiò ijſdem poſitis in ſexta fi-
              <lb/>
            gura, dico quod comparando homolo-
              <lb/>
              <figure xlink:label="fig-0054-01" xlink:href="fig-0054-01a" number="24">
                <image file="0054-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0054-01"/>
              </figure>
            gorum differentias prima A B ad ſe-
              <lb/>
            cundam D E minorem proportionem
              <lb/>
            habet quàm differentia A C ad diffe-
              <lb/>
            rentiam D H.</s>
            <s xml:id="echoid-s1191" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1192" xml:space="preserve">Fiat B F ad E H, vt A B ad D
              <lb/>
            E, ergo A F ad D H eſt vt A B ad
              <lb/>
              <note position="left" xlink:label="note-0054-01" xlink:href="note-0054-01a" xml:space="preserve">Lem.3.</note>
            D E, ſed A F minor eſt quam A C,
              <lb/>
            ergo A F ad eandem D H minorem
              <lb/>
            proportionem habet quàm A C: </s>
            <s xml:id="echoid-s1193" xml:space="preserve">& </s>
            <s xml:id="echoid-s1194" xml:space="preserve">
              <lb/>
            propterea A B ad D E minorem pro-
              <lb/>
            portionem habet quàm A C ad D H.</s>
            <s xml:id="echoid-s1195" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s1196" xml:space="preserve">Quartò, dico, quod tertia C B ad quartam H E minorem proportionem habet
              <lb/>
              <note position="left" xlink:label="note-0054-02" xlink:href="note-0054-02a" xml:space="preserve">Ibidem.</note>
            quàm differentia A C ad differentiam D H. </s>
            <s xml:id="echoid-s1197" xml:space="preserve">Quoniam ex conſtructione A B ad
              <lb/>
            D E eſt vt F B ad H E, erit F B ad H E, vt A F ad D H; </s>
            <s xml:id="echoid-s1198" xml:space="preserve">ſed C B minor
              <lb/>
            eſt quàm F B, atque A C maior quàm A F, & </s>
            <s xml:id="echoid-s1199" xml:space="preserve">A F ad eandem D H minorem
              <lb/>
            proportionem habet quàm A C; </s>
            <s xml:id="echoid-s1200" xml:space="preserve">igitur C B ad H E eo magis habebit minorem
              <lb/>
            proportionem quàm A C ad D H quæ erant oſtendenda.</s>
            <s xml:id="echoid-s1201" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div78" type="section" level="1" n="46">
          <head xml:id="echoid-head71" xml:space="preserve">SECTIO TERTIA</head>
          <head xml:id="echoid-head72" xml:space="preserve">Continens VIII. IX. X. Propoſ. Apollonij.</head>
          <p>
            <s xml:id="echoid-s1202" xml:space="preserve">SI menſura fuerit maior comparata, dummodo in ellipſi minor
              <lb/>
            ſit medietate axis tranſuerſi, tunc minimus ramorum in ſe-
              <lb/>
            ctionibus eſt, cuius potentialis abſcindit à menſura verſus origi-
              <lb/>
            nem in parabola (8) lineam æqualem comparatæ, in hyperbo-
              <lb/>
            la verò (9) & </s>
            <s xml:id="echoid-s1203" xml:space="preserve">in ellipſi (10.) </s>
            <s xml:id="echoid-s1204" xml:space="preserve">lineam, cuius inuerſæ proportio
              <lb/>
            ad illam eſt, vt proportio figuræ & </s>
            <s xml:id="echoid-s1205" xml:space="preserve">reliqui rami, quo accedunt
              <lb/>
            ad minimum ſunt minores remotioribus; </s>
            <s xml:id="echoid-s1206" xml:space="preserve">& </s>
            <s xml:id="echoid-s1207" xml:space="preserve">quadratum minimæ
              <lb/>
            minus eſt quadrato cuiuslibet rami aſſignati in parabola quidem
              <lb/>
            (8) quadrato exceſſus ſuarum abſciſſarum, & </s>
            <s xml:id="echoid-s1208" xml:space="preserve">in hyperbola (9)
              <lb/>
            & </s>
            <s xml:id="echoid-s1209" xml:space="preserve">ellipſi (10.) </s>
            <s xml:id="echoid-s1210" xml:space="preserve">exemplari applicato ad exceſſum ſuarum inuer-
              <lb/>
            ſarum.</s>
            <s xml:id="echoid-s1211" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s1212" xml:space="preserve">SIt itaque ſectio A B C, & </s>
            <s xml:id="echoid-s1213" xml:space="preserve">menſura I C, inclinatus, ſiue tranſuerſa E C,
              <lb/>
              <note position="right" xlink:label="note-0054-03" xlink:href="note-0054-03a" xml:space="preserve">b</note>
            dimidium erecti C G, centrum F, origo I, & </s>
            <s xml:id="echoid-s1214" xml:space="preserve">I H in parabola ſit equa-
              <lb/>
            lis C G, & </s>
            <s xml:id="echoid-s1215" xml:space="preserve">in hyperbola, & </s>
            <s xml:id="echoid-s1216" xml:space="preserve">ellipſi F H ad H I ſit, vt F C dimidium incli-
              <lb/>
            nati, ſeu tranſuerſæ ad C G, dimidium erecti, & </s>
            <s xml:id="echoid-s1217" xml:space="preserve">educta ex H perpendi-
              <lb/>
            culari H N, & </s>
            <s xml:id="echoid-s1218" xml:space="preserve">coniuncta recta N I; </s>
            <s xml:id="echoid-s1219" xml:space="preserve">Dico N I minimum eſſe </s>
          </p>
        </div>
      </text>
    </echo>