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
251 213
252 214
253 215
254 216
255 217
256 218
257 219
258 220
259 221
260 222
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
< >
page |< < (277) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div862" type="section" level="1" n="263">
          <p>
            <s xml:id="echoid-s10274" xml:space="preserve">
              <pb o="277" file="0315" n="315" rhead="Conicor. Lib. VII."/>
            A F ad A C, & </s>
            <s xml:id="echoid-s10275" xml:space="preserve">vt A G ad G C; </s>
            <s xml:id="echoid-s10276" xml:space="preserve">ergo H E ad E C eſt vt A G ad G
              <lb/>
            C; </s>
            <s xml:id="echoid-s10277" xml:space="preserve">& </s>
            <s xml:id="echoid-s10278" xml:space="preserve">componendo in hyperbolis, & </s>
            <s xml:id="echoid-s10279" xml:space="preserve">diuidendo in ellipſibus, deinde
              <lb/>
              <note position="left" xlink:label="note-0315-01" xlink:href="note-0315-01a" xml:space="preserve">b</note>
            comparando homologorum differentias in duabus figuris prioribus, & </s>
            <s xml:id="echoid-s10280" xml:space="preserve">
              <lb/>
            ſummas homologorum in reliquis, fiet A H ad G E, vt C A ad C G;
              <lb/>
            </s>
            <s xml:id="echoid-s10281" xml:space="preserve">ergo A H in A E; </s>
            <s xml:id="echoid-s10282" xml:space="preserve">nempe quadratum A B ad G E in A E eſt vt C A
              <lb/>
            inclinatus, ſiue tranſuerſus ad C G præſectam. </s>
            <s xml:id="echoid-s10283" xml:space="preserve">Quod fuerat propoſi-
              <lb/>
            tum.</s>
            <s xml:id="echoid-s10284" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div865" type="section" level="1" n="264">
          <head xml:id="echoid-head332" xml:space="preserve">PROPOSITIO IV.</head>
          <p>
            <s xml:id="echoid-s10285" xml:space="preserve">SI hyperbolen, aut ellipſin A B tangat recta linea I M in I,
              <lb/>
              <note position="left" xlink:label="note-0315-02" xlink:href="note-0315-02a" xml:space="preserve">a</note>
            & </s>
            <s xml:id="echoid-s10286" xml:space="preserve">occurrat axi A C in M; </s>
            <s xml:id="echoid-s10287" xml:space="preserve">vtique ipſius I M quadratum
              <lb/>
            ad quadratum ſemidiametri ND coniugatæ ipſi I L habebit eã-
              <lb/>
            dem proportionem, quàm axis contenta M S ad eius inuerſam
              <lb/>
            S D.</s>
            <s xml:id="echoid-s10288" xml:space="preserve"/>
          </p>
          <figure number="364">
            <image file="0315-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0315-01"/>
          </figure>
          <p>
            <s xml:id="echoid-s10289" xml:space="preserve">Educantur A Q, M R perpendiculares ad axim vſque ad I L, ponatur-
              <lb/>
            que linea P, quæ ad I M eandem proportionem habeat, quàm K I ad
              <lb/>
            Q I, ſeu eandem, quàm habet M I ad I R; </s>
            <s xml:id="echoid-s10290" xml:space="preserve">Ergo P eſt ſemiſſis erecti
              <lb/>
              <note position="right" xlink:label="note-0315-03" xlink:href="note-0315-03a" xml:space="preserve">50. lib. 1.</note>
            diametri I L (52. </s>
            <s xml:id="echoid-s10291" xml:space="preserve">ex 1.) </s>
            <s xml:id="echoid-s10292" xml:space="preserve">atque D N dimidium coniugatæ diametri N O
              <lb/>
            poterit P in I D, atque I M poterit P in I R; </s>
            <s xml:id="echoid-s10293" xml:space="preserve">& </s>
            <s xml:id="echoid-s10294" xml:space="preserve">ideo I R ad I D,
              <lb/>
            nempe M S contenta ad S D inuerſam eandem proportionem habet, quã
              <lb/>
            quadratum tangentis I M ad quadratum N D ſemiſſis coniugatæ ipſius I
              <lb/>
            L. </s>
            <s xml:id="echoid-s10295" xml:space="preserve">Et hoc erat propoſitum.</s>
            <s xml:id="echoid-s10296" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>