Biancani, Giuseppe, Aristotelis loca mathematica, 1615

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              trum A. via, qua aſcendit ignis ſit in linea A C B, quæ facit angulos in ſu­
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              perficie terræ æquales, nimirum angulos B C D, B C E. ſimiliter terra per
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              eandem lineam
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              eoſdem angulos æquales deſcendit. </s>
              <s id="s.001602">linea autem, quæ
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              facit tales angulos tendit ad centrum ſphæræ A, vt patet ad ſenſum in figu­
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              ra, & probari poteſt geometricè ex primis tertij Elem. ex quibus patet tam
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              læuia, quam grauia, quæ per talem lineam ferantur, reſpicere centrum A,
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              ſphæræ. </s>
              <s id="s.001603">Vtrum autem iſtud centrum ſit idem cum
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              totius mundi, alius,
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              inquit, eſt ſermo, hoc eſt, ad aſtronomum pertinet. </s>
              <s id="s.001604">vide igitur hac de re
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              pulchram deſſertationem apud Clauium in ſphæra: qui probat euidenter
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              eſſe vnum, & idem.</s>
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              124</s>
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              Hoc loco deſideratur commentarius in cap. vlt. </s>
              <s id="s.001608">de Cœlo. </s>
              <s id="s.001609">cuius loco ìn-
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              </s>
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              terim Lector adeat Diſcurſum Italicum Galilæi Galilæi, de his,
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              quæ in aqua mouentur, ac natant: ubi propè finem, plura in hu-
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              ius capitis explicationem affert.
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            <p type="margin">
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              125</s>
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              126</s>
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              127</s>
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              128</s>
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              129</s>
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          <chap>
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              Ex Lib. 2. de Generatione, & Corruptione.
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              130</s>
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              <s id="s.001618">Tex. 56.
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              (ldeoqué non prima latio cauſa Generationis, & Corruptionis eſt,
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              ſed quæ ſecundum obliquum circulum, in hac enim & continuum vnum
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              eſt & moueri duobus motibus)
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              per primam lationem intelligit mo­
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              tum primi mobilis, qui ſit ſuper polis mundi, quo Stellæ omnes
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              ab oriente in occidentem rectà feruntur. </s>
              <s id="s.001619">per obliquum verò circulum in­
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              telligit Zodiacum, qui obliquus eſt, quia poli eius ſunt alij à polis mundi, &
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              quia non tendit rectà ab ortu ad occaſum, ſed in ſphæra mundi tranſuer­
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              ſus eſt, & deflectit à ſeptentrione in meridiem, quamuis non rectà, vt in
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              ſphæra explicari ſolet. </s>
              <s id="s.001620">motus ergo Planetarum, qui fit ſecundum hunc cir­
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              culum, & ipſe obliquus, & tranſuerſus codem modo erit; ferrentur que per
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              eum à Borea ad Auſtrum, & è conuerſo; ex quo acceſſu, & receſſu efficiunt
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              æſtatem, & hyemem, item generationes, & corruptiones. </s>
              <s id="s.001621">Sol porrò, & pla­
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              netæ, qui motibus proprijs hunc circulum peragunt, dicuntur moueri duo­
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              bus motibus, & quidem contrarijs: quoniam dum Sol. </s>
              <s id="s.001622">v. g. per Zodiacum
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              graditur motu proprio, interim etiam à primo mobili fertur ab ortu in oc­
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              caſum: ex quibus duobus motibus fit vnus tantum Solis motus ſpiralis, qui
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              mixtus eſt, ideſt, qui fit à duobus motoribus; vnde re vera Sol non mouetur
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              duobus motibus contrarijs re ipſa diſtinctis; hoc enim impoſſibile eſt: ſed
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              motu mixto ex duobus, qui ſpiralis eſt, circa mundum deſcribens ſpiras ab
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              vno tropico ad alterum: qui, vt dixi, cauſatur à duobus motoribus, qui ſunt
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              Sol ipſe, mouens ſe ipſum per Zodiacum: & primum mobile mouens inſu­
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              per ipſum Solem, & Zodiacum ab ortu in occaſum circa mundum.</s>
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    </archimedes>