Archimedes, Archimedis De iis qvae vehvntvr in aqva libri dvo

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FED. COMMANDINI
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        <div type="section" level="1" n="86">
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            compoſitam proportionem habet ex proportione baſiũ,
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            & </s>
            <s xml:space="preserve">proportione altitudinum. </s>
            <s xml:space="preserve">Quare & </s>
            <s xml:space="preserve">pyramis, cuius ba-
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            ſis eſt quadrilaterum a b c d, & </s>
            <s xml:space="preserve">altitudo e f ad pyramidem,
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              <anchor type="figure" xlink:label="fig-0166-01a" xlink:href="fig-0166-01"/>
            cuius baſis quadrilaterum g h K l, & </s>
            <s xml:space="preserve">altitudo m n, compoſi
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            tam habet proportionem ex proportione baſium a b c d,
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            g h k l, & </s>
            <s xml:space="preserve">ex proportione altitudinum e f, m n. </s>
            <s xml:space="preserve">quod qui-
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            dem demonſtraſſe oportebat.</s>
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            <note position="right" xlink:label="note-0165-01" xlink:href="note-0165-01a" xml:space="preserve">20. huius</note>
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            <s xml:space="preserve">Ex iam demonſtratis perſpicuum eſt, priſma
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            ta omnia, & </s>
            <s xml:space="preserve">pyramides, in quibus axes cum baſi-
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            bus æquales angulos continent, proportionem
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            habere compoſitam ex baſium proportione, & </s>
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            proportione axium. </s>
            <s xml:space="preserve">demonſttatum eſt enim, a-
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            xes inter ſe eandem proportionem habere, quam
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            ipſæ altitudines.</s>
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        <div type="section" level="1" n="87">
          <head xml:space="preserve">THE OREMA XVIII. PROPOSITIO XXII.</head>
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              <emph style="sc">Cvivslibet</emph>
            pyramidis, & </s>
            <s xml:space="preserve">cuiuslibet coni,</s>
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