Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

Table of contents

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[31. LEMMAI.]
[32. LEMMA II.]
[33. LEMMA III.]
[34. LEMMA IIII.]
[35. PROPOSITIO VII.]
[36. PROPOSITIO VIII.]
[37. COMMENTARIVS.]
[38. PROPOSITIO IX.]
[39. COMMENTARIVS.]
[40. PROPOSITIO X.]
[41. COMMENTARIVS.]
[42. LEMMA I.]
[43. LEMMA II.]
[44. LEMMA III.]
[45. LEMMA IIII.]
[46. LEMMA V.]
[47. LEMMA VI.]
[48. II.]
[49. III.]
[50. IIII.]
[51. V.]
[52. DEMONSTRATIO SECVNDAE PARTIS.]
[53. COMMENTARIVS.]
[54. DEMONSTRATIO TERTIAE PARTIS.]
[55. COMMENTARIVS.]
[56. DEMONSTRATIO QVARTAE PARTIS.]
[57. DEMONSTRATIO QVINT AE PARTIS.]
[58. FINIS LIBRORVM ARCHIMEDIS DE IIS, QVAE IN AQVA VEHVNTVR.]
[59. FEDERICI COMMANDINI VRBINATIS LIBER DE CENTRO GRAVITATIS SOLIDORV M.]
[60. CVM PRIVILEGIO IN ANNOS X. BONONIAE, Ex Officina Alexandri Benacii. M D LXV.]
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ARCHIMEDIS
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            Quoniam enim triangula afd, akg, anl ſi-
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            milia ſunt; </s>
            <s xml:space="preserve">itémq; </s>
            <s xml:space="preserve">ſimilia efd, h k g, mnl:
              <lb/>
            </s>
            <s xml:space="preserve">erit ut af ad fd, ita ak ad kg; </s>
            <s xml:space="preserve">ut autem fd
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              <anchor type="note" xlink:label="note-0048-01a" xlink:href="note-0048-01"/>
            ad fe, ita kg ad kh. </s>
            <s xml:space="preserve">quare ex æquali ut af
              <lb/>
            ad fe, ita ak ad kh: </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">per conuerſionem ra-
              <lb/>
            tionis ut af ad ae, ita ak ad ah. </s>
            <s xml:space="preserve">eodem
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            modo oſtendetur, ut af ad a e, ita an ad am.
              <lb/>
            </s>
            <s xml:space="preserve">cum igitur an ad am ſit, ut a k ad a h; </s>
            <s xml:space="preserve">erit
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              <anchor type="note" xlink:label="note-0048-02a" xlink:href="note-0048-02"/>
            reliqua kn ad reliquam h m, hoc eſt ad g q,
              <lb/>
            uel o p, ut a n ad a m; </s>
            <s xml:space="preserve">hoc estut a f ad a e.
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            </s>
            <s xml:space="preserve">rurſus a k ad a h est, ut a f ad a e. </s>
            <s xml:space="preserve">er-
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            go reliqua f k ad e h reliquam, uidelicet
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            ad do, ut a f ad a e. </s>
            <s xml:space="preserve">Similiter demonſtrabi-
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            mus ita eſſe fn ad d p. </s>
            <s xml:space="preserve">quod quidem demonſtra
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            re oportebat.</s>
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            <note position="left" xlink:label="note-0048-01" xlink:href="note-0048-01a" xml:space="preserve">4. ſexti.</note>
            <note position="left" xlink:label="note-0048-02" xlink:href="note-0048-02a" xml:space="preserve">19. quinti</note>
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          <head xml:space="preserve">LEMMA II.</head>
          <p style="it">
            <s xml:space="preserve">Sint in eadem linea a b puncta
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            duo r s ita diſpoſita, ut a s ad a r
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            eandem proportionem habeat, quam
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            a f ad ae: </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">per r ducatur rtipſi
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            e d æquidiſtans; </s>
            <s xml:space="preserve">per s uero ducatur
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            s t æquidiſtans fd, ita ut cum r t in
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            t puncto conueniat. </s>
            <s xml:space="preserve">Dico punctum t
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            cadere in lineam a c.</s>
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            <figure xlink:label="fig-0048-02" xlink:href="fig-0048-02a">
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          <p style="it">
            <s xml:space="preserve">Si enim fieri potest, cadat citra: </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">produca
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            tur rt uſque ad ipſam a c in u. </s>
            <s xml:space="preserve">deinde per u
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            ducatur u x ipſi f d æquidiſtans. </s>
            <s xml:space="preserve">Itaque ex
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            ijs, quæ proxime demonstrauimus a x ad ar</s>
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