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
111 73
112 74
113 75
114 76
115 77
116 78
117 79
118 80
119 81
120 82
121 83
122 84
123 85
124 86
125 87
126 88
127 89
128 90
129 91
130 92
131 93
132 94
133 95
134 96
135 97
136 98
137 99
138 100
139 101
140 102
< >
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>