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
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
291 253
292 254
293 255
294 256
295 257
296 258
297 259
298 260
299 261
300 262
< >
page |< < (200) of 458 > >|
    <echo version="1.0RC">
      <text xml:lang="la" type="free">
        <div xml:id="echoid-div684" type="section" level="1" n="228">
          <pb o="200" file="0238" n="238" rhead="Apollonij Pergæi"/>
          <p>
            <s xml:id="echoid-s7502" xml:space="preserve">Educamus itaque N A ad O ex B L, & </s>
            <s xml:id="echoid-s7503" xml:space="preserve">P D ad Q ex M E, quia B G
              <lb/>
              <note position="left" xlink:label="note-0238-01" xlink:href="note-0238-01a" xml:space="preserve">b</note>
            ad B I eſt, vt H E ad E K, & </s>
            <s xml:id="echoid-s7504" xml:space="preserve">B G ad B L eſt vt H E ad E M; </s>
            <s xml:id="echoid-s7505" xml:space="preserve">ergo L B
              <lb/>
            ad B I, nempe L N ad A I (19. </s>
            <s xml:id="echoid-s7506" xml:space="preserve">ex 1. </s>
            <s xml:id="echoid-s7507" xml:space="preserve">(nempe L O ad O I eſt vt M E
              <lb/>
            ad E K, nempe P M ad D K, nempe M Q ad Q K; </s>
            <s xml:id="echoid-s7508" xml:space="preserve">& </s>
            <s xml:id="echoid-s7509" xml:space="preserve">contra O L ad L
              <lb/>
            I, vt V M ad M K, &</s>
            <s xml:id="echoid-s7510" xml:space="preserve">c. </s>
            <s xml:id="echoid-s7511" xml:space="preserve">Addenda non nulla verba, quæ deficiunt, & </s>
            <s xml:id="echoid-s7512" xml:space="preserve">reliqua
              <lb/>
            reſtituenda cenſui, vt in textu leguntur. </s>
            <s xml:id="echoid-s7513" xml:space="preserve">Zuoniam B G ad B I eſt vt H E ad
              <lb/>
            E K, & </s>
            <s xml:id="echoid-s7514" xml:space="preserve">B L ad B G eſt vt M E ad E H; </s>
            <s xml:id="echoid-s7515" xml:space="preserve">ergo, ex æqualitate, L B ad B I
              <lb/>
            eandem proportionem habet, quàm M E ad E K, ſed quadratum N L ad qua-
              <lb/>
            dratum A I eſt in parabola, vt abſcißa L B ad B I; </s>
            <s xml:id="echoid-s7516" xml:space="preserve">pariterque quadratum P
              <lb/>
              <note position="left" xlink:label="note-0238-02" xlink:href="note-0238-02a" xml:space="preserve">20. lib. 1.</note>
            M ad quadratum D K eſt, vt M E ad E K: </s>
            <s xml:id="echoid-s7517" xml:space="preserve">& </s>
            <s xml:id="echoid-s7518" xml:space="preserve">propterea quadratum N L ad
              <lb/>
            quadratum A I eandem proportionem habebit quàm quadratum P M ad quadra-
              <lb/>
            tum D K; </s>
            <s xml:id="echoid-s7519" xml:space="preserve">igitur N L ad A I eandem proportionem habebit, quàm P M ad D
              <lb/>
              <figure xlink:label="fig-0238-01" xlink:href="fig-0238-01a" number="271">
                <image file="0238-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0238-01"/>
              </figure>
            K; </s>
            <s xml:id="echoid-s7520" xml:space="preserve">ſed vt N L ad A I ita eſt L O ad O I (propter parallelas A I, N L, & </s>
            <s xml:id="echoid-s7521" xml:space="preserve">ſimi-
              <lb/>
            litudinem triangulorũ A I O, & </s>
            <s xml:id="echoid-s7522" xml:space="preserve">O N L) pariterg; </s>
            <s xml:id="echoid-s7523" xml:space="preserve">vt P M ad D K ita eſt M
              <lb/>
            Z ad Z K (propter ſimilitudinem triangulorum Q M P, & </s>
            <s xml:id="echoid-s7524" xml:space="preserve">Q K D) igitur
              <lb/>
            L O ad O I eandem proportionem habebit, quàm M Q ad Q K; </s>
            <s xml:id="echoid-s7525" xml:space="preserve">& </s>
            <s xml:id="echoid-s7526" xml:space="preserve">compa-
              <lb/>
            rando antecedentes ad differentias, vel ſummas terminorum O L ad L I eandem
              <lb/>
            proportionem habebit, quàm Q M ad M K.</s>
            <s xml:id="echoid-s7527" xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:id="echoid-s7528" xml:space="preserve">Et B L ad L N eſt vt E M ad M P (propter ſimilitudinem duorum
              <lb/>
            ſegmentorum) ergo ex æqualitate O L ad L N, &</s>
            <s xml:id="echoid-s7529" xml:space="preserve">c. </s>
            <s xml:id="echoid-s7530" xml:space="preserve">Sequitur quidem hoc
              <lb/>
              <note position="right" xlink:label="note-0238-03" xlink:href="note-0238-03a" xml:space="preserve">c</note>
            non propter ſimilitudinem ſegmentorum, quandoquidem ſegmenta ſimilia non
              <lb/>
            ſupponuntur ſed quia ſemper parabolæ ſunt ſimiles, & </s>
            <s xml:id="echoid-s7531" xml:space="preserve">in eis poſitæ ſunt axium
              <lb/>
            abſciſſæ L B, & </s>
            <s xml:id="echoid-s7532" xml:space="preserve">M E proportionales lateribus rectis B G, & </s>
            <s xml:id="echoid-s7533" xml:space="preserve">E H, propterea
              <lb/>
              <note position="left" xlink:label="note-0238-04" xlink:href="note-0238-04a" xml:space="preserve">11. huius.</note>
            (vt in prop. </s>
            <s xml:id="echoid-s7534" xml:space="preserve">11. </s>
            <s xml:id="echoid-s7535" xml:space="preserve">huius oſtenſum eſt ) B L ad L N eandem proportionem habebit
              <lb/>
            quàm E M ad M P; </s>
            <s xml:id="echoid-s7536" xml:space="preserve">ſed prius L B ad B I erat vt M E ad E K, ergo comparã-
              <lb/>
            do differentias terminorum ad antecedentes erit I L ad L B vt K M ad M E,
              <lb/>
            eſtq; </s>
            <s xml:id="echoid-s7537" xml:space="preserve">oſtenſa O L ad L I vt Q M ad M K, ergo ex æquali ordinata O L ad L B
              <lb/>
            erit vt Q M ad M E.</s>
            <s xml:id="echoid-s7538" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>