Ceva, Giovanni, Geometria motus, 1692

Page concordance

< >
Scan Original
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
< >
page |< < of 110 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.000101">
                <pb pagenum="8" xlink:href="022/01/014.jpg"/>
              pora per AB, AK iuxta ipſa imagines. </s>
              <s id="s.000102">Vel enim hæ ima­
                <lb/>
              gines ſunt ſimplices, hoc eſt tantùm parallelogrammę, aut
                <lb/>
              tantùm acuminatæ, & tunc ſupra oſtendimus propoſitum,
                <lb/>
              quemadmodum etiam ſi vna acuminata, altera parallelo­
                <lb/>
              gramma; vel non ſunt huiuſmodi & componentur ex illis.
                <lb/>
                <arrow.to.target n="marg18"/>
                <lb/>
              Sint ergo in imagine ADFB partes ab æquidiſtantibus di­
                <lb/>
              ſtinctæ ADEN, OFB acuminatæ & NEFO paralellogram-
                <lb/>
                <arrow.to.target n="marg19"/>
                <lb/>
              mum, erunt hæ procul dubio inter ſe, totique imagini ho­
                <lb/>
              mogeneæ; ſint pariter in alia imagine partes GHCM,
                <lb/>
              MCKL, per æquidiſtantem MC diſtinctæ inter ſe acumi­
                <lb/>
                <arrow.to.target n="marg20"/>
                <lb/>
              natæ, quæ itidem inter ſe, & imagini, cuius ſunt partes, ho­
                <lb/>
              mogeneæ erunt. </s>
              <s id="s.000103">His acceptis, quoniam tempus per AN
                <lb/>
                <arrow.to.target n="marg21"/>
                <lb/>
              iuxta imaginem ADEN acuminatam ad tempus per HC
                <lb/>
              iuxta aliam imaginem item acuminatam HGMC, habet
                <lb/>
              eandem rationem, ac imago ADEN ad
                <expan abbr="imaginẽ">imaginem</expan>
              GHCM.
                <lb/>
              ſimiliter tempus per HC iuxta imaginem GHCM ad tem­
                <lb/>
              pus per CK iuxta imaginem acuminatam MCKL eſt vt
                <lb/>
              illa ad hanc imaginem; componendo, inde per conuerſio­
                <lb/>
              nem rationis, & conuertendo, tempus per HC ſecundùm
                <lb/>
              imaginem GHCM ad tempora ſimul per HC, CK,
                <expan abbr="quorũ">quorum</expan>
                <lb/>
              imagines GHCM, MCKL, hoc eſt ad tempus per HK iux­
                <lb/>
              ta imaginem GHKL habebit
                <expan abbr="eãdem">eandem</expan>
              rationem, quam ima­
                <lb/>
              go GHCM ad imaginem GHCL; & ideo ex æquali tem­
                <lb/>
              pus per AN, cuius imago ADEN, ad tempus per HK, iux­
                <lb/>
              ta imaginem GHKL, erit in eadem ratione, in qua eſt ima­
                <lb/>
              go ADEN ad imaginem GHKL. </s>
              <s id="s.000104">Præterea tempus per
                <lb/>
              AN iuxta imaginem ADEN ad idem ipſum tempus habet
                <lb/>
              eandem rationem, quam imago ADEN ad eandem ipſam;
                <lb/>
              tempus per NO iuxta imaginem rectangulum NEPO ad
                <lb/>
                <arrow.to.target n="marg22"/>
                <lb/>
              tempus prædictum per AN eſt in eadem ratione
                <expan abbr="imaginũ">imaginum</expan>
                <lb/>
              NEPO ad ADEN, & ſimiliter tempus per OB iuxta ima­
                <lb/>
              ginem OPFB habet ad tempus per AN eandem rationem,
                <lb/>
              ac imago OPFB ad imaginem ſæpè dictam ADEN;
                <expan abbr="itaq;">itaque</expan>
              ex
                <lb/>
              lem. 18. Toric. in lib. de dim: parabolæ, erunt tria
                <expan abbr="tẽpora">tempora</expan>
              per </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>