Borro, Girolamo, De motu gravium et levium, 1575

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              <p type="head">
                <s id="s.001844">
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                  <emph type="italics"/>
                Graue & leue quomodo à platone definiuntur, & quo pasto ex illius dictis cor­
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                pora ex figuris conflentur.
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                30.
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                  <emph type="italics"/>
                Graue eſt illud, ſecundum platonem, quod ex pluribus partibus eiusdem ge­
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                neris conſtat.
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                30.
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                  <emph type="italics"/>
                Graue, et leue definitur ab Ariſtotele ex locorum interuallis, ſuperum & in
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                ferum non ſunt in cælo ſecundum platonem.
                  <emph.end type="italics"/>
                31.
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                  <emph type="italics"/>
                Alcinous docet cur interualla non conferant ad definitionem grauis, & le­
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                uis.
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                31.
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                  <emph type="italics"/>
                Corpora prima ex primis figuris definiuntur à platone, & prima figurarum
                  <lb/>
                eſt circularis.
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                31.
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                  <emph type="italics"/>
                Thimæus Pythagoricus elementa ex figuris triangalaribus eſſe aſſerit.
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                31. </s>
              </p>
              <p type="head">
                <s id="s.001845">Caput XIX.
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                  <emph type="italics"/>
                Definitio grauis & leuis ſecundum Platonem reiicitur, nec corpora ex figuris,
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                nec ex numeris constare oſtenditur.
                  <emph.end type="italics"/>
                32.
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                  <emph type="italics"/>
                Pythagorici corporum naturalium principia faciunt mathematica, quæ opi­
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                nio exploditur.
                  <emph.end type="italics"/>
                32.
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                  <emph type="italics"/>
                Linea non eſt ex punctis, & in infinitum diuiditur.
                  <emph.end type="italics"/>
                32.
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                  <emph type="italics"/>
                Elementa ſunt duorum generum, mistionis, & compoſitionis.
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                33.
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                  <emph type="italics"/>
                Compoſitionis elementa ſeruant integram naturam, non tamen elementa mi
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                stionis.
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                33.
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                  <emph type="italics"/>
                Figuræ ſunt principia compoſitionis non mistionis.
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                33.
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                Elementa astu ſeruantur in misto non tamen integra.
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                34.
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                  <emph type="italics"/>
                Elementa non ſunt ex figuris, cum figuræ non ſint nec graues, nec leues.
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                34.
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                  <emph type="italics"/>
                Pythagoræ incommoda dum ponunt numeros rerum principia.
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                35. </s>
              </p>
              <p type="head">
                <s id="s.001846">Caput XX.
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                  <emph type="italics"/>
                Ratio redditur cur Philoſophi quidam vt Anaximander, Anaximenes, De
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                mocritus non ſint confutandi, cum omnes mundum in finitum ponant.
                  <emph.end type="italics"/>
                37.
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                  <emph type="italics"/>
                Grauia & leuia cur antiqui ex locorum interuallis definire non possint, cum
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                admittant infinitum.
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                36. </s>
              </p>
              <p type="head">
                <s id="s.001847">Caput XXI.
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                  <emph type="italics"/>
                Democriti, & Epicuri propria quædam de grauibus, & leuibus interimun
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                tur.
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                36.
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                  <emph type="italics"/>
                Iuxta Democriti ſententiam omnia eſſent grauia, cum athomi omnes ſint
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                eiuſdem naturæ.
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                37.
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                  <emph type="italics"/>
                Natura repugnantiam in vno non patitur.
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                38.
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                  <emph type="italics"/>
                Democriti opinio, quòd vacuum leuitatem efficiat, reiicitur.
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                38. 39. </s>
              </p>
              <p type="head">
                <s id="s.001848">Caput XXII.
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                Empedocles nullam grauitatis naturam cognouit, ac leuitatis.
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                39.
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                Opiniones antiquæ cum difficultate
                  <expan abbr="etiã">etiam</expan>
                rationibus adhibitis euertuntur.
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                39.
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                  <emph type="italics"/>
                Empedocles quomodo introducat generationem, & quit cauſa grauitatis &
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                leuitatis, euertit tamen generationem rerum.
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                39.40. </s>
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