Biancani, Giuseppe, Aristotelis loca mathematica, 1615

Table of figures

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              <s id="s.003560">
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              natim prodeunt, ac per aerem hinc inde volitant. </s>
              <s id="s.003561">Si ergò filum E I, dextræ
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              arbori occurrerit,
                <expan abbr="eiq́">eique</expan>
              ; hæſerit, vt in figura, illicò Araneus huius rei con­
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              ſcius per filum A E I, aſcendit,
                <expan abbr="ſeq́">ſeque</expan>
              ; ad prius inacceſſam ſibi dextram arbo­
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              rem transfert;
                <expan abbr="atq;">atque</expan>
              deinde inter
                <expan abbr="vtramq;">vtramque</expan>
              ducto iam filo vno, poteſt vltrò,
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                <expan abbr="citroq́">citroque</expan>
              ; means, ſuam etiam circularem, ac labyrinthiacam telam in muſca­
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              rum capturam contexere; quales aliquando inter duas arbores admira­
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              ri ſolemus.</s>
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              <s id="s.003562">Quæres fortè, num Araneus filum intus tanquam in glomo, vel ſpira con­
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              uolutum contineat? </s>
              <s id="s.003563">dicam, quod non ſine experientia conijcio, exiſtimo
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              Araneum non continere intra ſe filum vllum, verum humorem quendam
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              viſcoſum, qui in tenuiſſima fila ſit ductilis; quemadmodum videmus acci­
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              dere gummi, quæ diſrupta exhibet lentorem quendam, qui ſolo attritu ita
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              digitis hæret, vt amoto ſenſim digito, filum tenue, & oblongum valdè de­
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              ducatur, hoc inde conijcio, quia aliquando cum ventrem Araneorum ſecuiſ­
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              ſem nullum intus filum, ſed ſolus humor quidam lentus apparuit.</s>
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              <s id="s.003564">Cùm ex paruulis hiſce meis obſeruationibus circa animalculum iſtud
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              vnum tam præclara cognouiſſem, quæ nullus ad hanc
                <expan abbr="vſq;">vſque</expan>
              diem, quod ſciam
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              obſeruaſſet; animaduerti latiſſimum patere campum ad animalium hiſto­
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              riam ampliandam, ſi ij, qui huic pulcherrimæ cognitioni dant operam, non
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              ijs ſolum, quæ ab alijs perſcripta ſunt contenti eſſent, verùm etiam certiſ­
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              ſimis,
                <expan abbr="atq;">atque</expan>
              exploratiſſimis experientijs ea coniungerent.</s>
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            <p type="main">
              <s id="s.003565">Atque hæc de Araneo ſatis.</s>
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              De inceſſu animalium.
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              294</s>
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              <s id="s.003569">Cap. 7.
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              (Etenim habentia pedes, quoniam ſuper
                <expan abbr="vtrumq;">vtrumque</expan>
              oppoſitorum cru­
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              rum viciſſim ſtant, pondusqué ſustinent, neceſſe habent altero progredien­
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              te, inflectere alterum; æqualia namque longitudine nata ſunt habere op­
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              poſita membra. </s>
              <s id="s.003570">& quod ponderi ſubſtat rectum eſſe oportet, vt perpen­
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              diculum ad terram. </s>
              <s id="s.003571">quando autem progreditur, fit hypotenuſa, valens manentem
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              magnitudinem, & eam, quæ interiacet. </s>
              <s id="s.003572">quoniam autem æqualia ſunt membra, ne­
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              ceſſe eſt inflecti id, quod manet, aut in poplite, aut in conflexione)
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              Vult probare
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              in greſſu neceſſariam eſſe aliquam flexionem membrorum. </s>
              <s id="s.003573">verum prius
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              ſciendum, quod lineam hypotenuſam, quemadmodum etiam Athenæus lib.
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              10. teſtatur, eam appellant geometræ, quæ in triangulo rectangulo recto
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              angulo ſubtenditur, vnde & denominata eſt hypotenuſa, ideſt ſubtenſa, vt
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              in triangulo A B C, cuius angulus B, rectus ſit, recta
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              A C, angulo recto B, ſubtenſa, hypotenuſa dicitur.
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              <s id="s.003574">Ariſt. igitur ait, quod antequam animal ambulare in­
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              cipiat, dum ſcilicet manet, habet crura, quæ manent
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              recta, ſiue perpendicularia horizonti, cum autem in­
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              cipit progredi neceſſe eſt
                <expan abbr="vtrũq;">vtrunque</expan>
              crus inclinari ad ho­
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              rizontem. </s>
              <s id="s.003575">nam primum crus in ingreſſu prolatum fit
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              hypotenuſa, quia ſcilicet ſubtendit angulum rectum,
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              quem facit alterum crus adhuc quieſcens, cum </s>
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