Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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        <body>
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            <p type="main">
              <s id="s.004896">
                <pb pagenum="276" xlink:href="009/01/276.jpg"/>
              prius exiſtimo, cur quamuis geminatos oculos habeamus, res tamen vnicæ
                <lb/>
              non ſolent geminatæ videri, dummodo oculi à naturali ſuo ſitu non luxen­
                <lb/>
              tur, quod etiam à Vitell. propoſit. </s>
              <s id="s.004897">28. & 46. lib. 3. pertractatur: quamuis
                <lb/>
              commentum illud Vitell. & Alaz. non placeat de neruorum opticorum
                <lb/>
              vnione, eò quod Anatomici refragentur.</s>
            </p>
            <p type="main">
              <s id="s.004898">Dicendum igitur, quod cùm anima vna ſit, & obiectum etiam ſit vnum,
                <lb/>
              & cùm
                <expan abbr="vterq́">vterque</expan>
              ; oculus habeat conſimilem omninò ſitum, ſit etiam, vt ſpecies
                <lb/>
              obiecti repreſentatiua eodem modo in
                <expan abbr="vtroq;">vtroque</expan>
              oculo ſituetur, ob quem con­
                <lb/>
              ſimilem ſitum, tum oculi, tum ſpeciei ſit, vt anima vtatur duobus oculis,
                <lb/>
              tanquam vno oculo, & duabus ſpeciebus tanquam vna ſpecie: ſi enim alter
                <lb/>
              oculus alteri oculo imponeretur, eſſent omninò partes vnius congruentes
                <lb/>
              partibus alterius, & ſpecies vnius oculi congrueret, & vniretur pœnitus
                <lb/>
              cum altera alterius, ſecundum ſingulas earum partes conſimiles. </s>
              <s id="s.004899">vt autem
                <lb/>
              ſpecies ſituentur conſimiliter in vtroque oculo neceſſe eſt, vt
                <expan abbr="vterq́">vterque</expan>
              ; oculus
                <lb/>
              eodem modo aſpiciat
                <expan abbr="obiectũ">obiectum</expan>
              ; quod tunc ſit, quando axes viſuales vtriuſq;
                <lb/>
              oculi vniuntur in obiecto. </s>
              <s id="s.004900">axis porrò viſualis eſt linea ab obiecto tendens ad
                <lb/>
              centrum oculi, quæ tamen tranſeat per centra corneæ, vueæ, & pupillæ. </s>
              <s id="s.004901">tunc
                <lb/>
              partes ſpecierum erunt omninò conſimiliter collocatæ in
                <expan abbr="vtroq;">vtroque</expan>
              viſu: ita
                <lb/>
              vt pars ſpeciei, quæ dextra eſt in vno, ſit etiam dextra in altero. </s>
              <s id="s.004902">Intelligo
                <lb/>
              eandem partem reſpectu obiecti, quæ refert eandem obiecti partem. </s>
              <s id="s.004903">quem­
                <lb/>
              admodum igitur nec duabus auribus audimus duas voces, nec duabus nari­
                <lb/>
              bus geminos odores, nec duplici manu duplicatas res tactas: ita anima,
                <lb/>
              ſeruatis, quæ nuper dixi, duobus viſibus res vnam vnicè videre debet.</s>
            </p>
            <p type="main">
              <s id="s.004904">Hinc facilius cognoſcemus, qua de cauſa res viſa aliquando geminetur.
                <lb/>
              </s>
              <s id="s.004905">quoties enim ſpecies eiuſdem obiecti in altero oculorum habet alium ſitum,
                <lb/>
              quàm in altero, geminatio accidit, quia non habet conſimilem ſitum, & ſi
                <lb/>
              vna alteri ſupponeretur, non reſponderent partes vnius dexteræ, v. g. par­
                <lb/>
              tibus dextris alterius; vnde non identificarentur; nec quæ eſſent in eadem
                <lb/>
              parti oculi repreſentarent eandem obiecti partem; & propterea oculi non
                <lb/>
              eſſent quodammodo vnus oculus, cùm alter ab altero diuerſimodè à ſpecie
                <lb/>
              informaretur. </s>
              <s id="s.004906">vt autem ſpecies
                <expan abbr="vtrumq;">vtrumque</expan>
              oculum conſimiliter
                <expan abbr="informẽt">informent</expan>
              , ne­
                <lb/>
                <figure id="id.009.01.276.1.jpg" place="text" xlink:href="009/01/276/1.jpg" number="165"/>
                <lb/>
              ceſſe eſt, vt axes viſuales, quales
                <lb/>
              ſunt in appoſita figura, C B, D B,
                <lb/>
              ab oculis C, D, ad obiectum B,
                <lb/>
              ducti, in ipſo obiecto B. imò in
                <lb/>
              eodem ipſius puncto vniantur:
                <lb/>
              quoties. </s>
              <s id="s.004907">n. </s>
              <s id="s.004908">res viſa
                <expan abbr="nõ">non</expan>
              eſt in con­
                <lb/>
              curſu axium, vt eſt res A. tunc
                <lb/>
              diſſimiliter ſpeciem ad oculos
                <lb/>
              mittit, nam ſpecies puncti A, in oculo D, erit ad ſiniſtram centri pupillæ;
                <lb/>
              in oculo verò C, erit ad dextram.</s>
            </p>
            <p type="main">
              <s id="s.004909">Quando pariter alterum oculorum digito ſurſum, aut deorſum compri­
                <lb/>
              mimus, fit, vt ille aliquantulum à loco ſuo naturali, & conſimili ſitui alte­
                <lb/>
              rius dimoueatur; quare neceſſe, vt axis ipſius ſimiliter ad motum oculi di­
                <lb/>
              moueatur, nec amplius concurrat cum altero axe, in eodem obiecti puncto,
                <lb/>
              in quod alter
                <expan abbr="tẽdet">tendet</expan>
              , vel
                <expan abbr="ẽt">et</expan>
              in
                <expan abbr="alterũ">alterum</expan>
                <expan abbr="obiectũ">obiectum</expan>
              . </s>
              <s id="s.004910">vide Vitell. prop. 103. & 104. li. </s>
              <s id="s.004911">4.</s>
            </p>
          </chap>
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    </archimedes>
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