Casati, Paolo, De igne dissertationes physicae, 1686

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            <s xml:id="echoid-s835" xml:space="preserve">
              <pb o="21" file="0033" n="33" rhead="De ignis natura"/>
            genus vniuerſum à ſubiectis partibus abſtractum circumſcribere ac
              <lb/>
            definire poterit, certaſque in ſpecies partiri. </s>
            <s xml:id="echoid-s836" xml:space="preserve">Cum itaque non in
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            controuerſiâ verſetur, vtrùm natura quæpiam ſub ignis genere
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            conſtituenda ſit, nec ne (id enim ex præcognitâ aut præſtitutâ
              <lb/>
            Ignis notione definiendum eſſet) ſed illud tantùm in quæſtionem
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            vocetur, quid ſcilicet ignis vocabulo declaretur; </s>
            <s xml:id="echoid-s837" xml:space="preserve">operæ pretium
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            fuerit naturas illas, quæ in ignium cenſu deprehenduntur, certas
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            in claſſes diſcriminare, vt ijs inter ſe collatis, quid Ignis ſit, in-
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            noteſcat.</s>
            <s xml:id="echoid-s838" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s839" xml:space="preserve">Dand. </s>
            <s xml:id="echoid-s840" xml:space="preserve">Mihi pariter placet; </s>
            <s xml:id="echoid-s841" xml:space="preserve">modò nos non obſtringamus minutis
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            quibuſdam ſeuerioris logicæ legibus De Definitione & </s>
            <s xml:id="echoid-s842" xml:space="preserve">Diuiſione:
              <lb/>
            </s>
            <s xml:id="echoid-s843" xml:space="preserve">vt quid enim inani lab ore nos conficiamus? </s>
            <s xml:id="echoid-s844" xml:space="preserve">Satis fuerit, ſi preſſa
              <lb/>
            Definitio non occurrat illam non ſolicitè indagantibus, vti Deſcri-
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            ptione, quæ Ignem à Non Igne ſecernat. </s>
            <s xml:id="echoid-s845" xml:space="preserve">Et primùm quidem Ignes
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            diſtinguere poſſumus locis, in quibus vel gignuntur, vel ſe exhi-
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            bent contemplandos. </s>
            <s xml:id="echoid-s846" xml:space="preserve">Hinc alij Terreſtres, qui vel in extimâ tel-
              <lb/>
            luris facie excitantur, vel in imis cauernarum latebris deliteſcunt,
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            vel è ſummis montium crateribus erumpunt, vel in ſilicum alio-
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            rumque lapidum venis ab ſtruſi, quaſi flammæ ſemina in horreis re-
              <lb/>
            condita, otiantur, vel corporibus inſiti, cœteriſque elementis per-
              <lb/>
            miſti, ac in vnam ſpeciem temperati, calorem, quo naturæ ſubſi-
              <lb/>
            ſtunt, fouent. </s>
            <s xml:id="echoid-s847" xml:space="preserve">Alij Aërij, qui ſub lime geniti vel breui ſpectaculo
              <lb/>
            oculis blandiuntur, vt Traiectiones, vellongiore morâ magnorum
              <lb/>
            periculorum metum portendere videntur, vt Cometæ, vel innoxiâ
              <lb/>
            flammâ inter nubes coruſcant, vt Fulgura, vel nubium conflictu
              <lb/>
            expreſſi in terras ſe emittunt, vt Fulmina. </s>
            <s xml:id="echoid-s848" xml:space="preserve">Alij demum Cœleſtes,
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            ea nimirum ſydera, quæ non alienam lucem mutuata ſuis micant
              <lb/>
            ardoribus, quorum Sol principatum obtinet, dein Aſtra certis lo-
              <lb/>
            cis infixa, poſtremò illa, non re, ſed vocabulo, errantia, ſiqua ſunt,
              <lb/>
            quæ aliquid inſiti luminis habeant, præter illud, quod à Sole re-
              <lb/>
            cipiunt: </s>
            <s xml:id="echoid-s849" xml:space="preserve">Et, ſi quis non grauatè ferat mentem ab oculis ſeuocare,
              <lb/>
            ac intelligentiâ corporei aſpectûs metas tranſgredi, à cœleſtium
              <lb/>
            ignium albo expungendum non videbitur Cœlum, quod ab ignis
              <lb/>
            ſplendore Empyreum apud omnes ſplendidè audit.</s>
            <s xml:id="echoid-s850" xml:space="preserve"/>
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          <p>
            <s xml:id="echoid-s851" xml:space="preserve">Gradon. </s>
            <s xml:id="echoid-s852" xml:space="preserve">Quia tamen, licèt ſtellæ naturâ flammeæ à Cicerone lib.
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            </s>
            <s xml:id="echoid-s853" xml:space="preserve">2. </s>
            <s xml:id="echoid-s854" xml:space="preserve">de Nat. </s>
            <s xml:id="echoid-s855" xml:space="preserve">Deor. </s>
            <s xml:id="echoid-s856" xml:space="preserve">dicantur, res non eſt extra omnem controuerſiam
              <lb/>
            poſita, & </s>
            <s xml:id="echoid-s857" xml:space="preserve">nobis fortaſſe aliquando erit non leuis diſputatio, An ſy-
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            dera ignibus annumeranda ſint, alia mihi videtur inſtitui poſſe </s>
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