Casati, Paolo
,
De igne dissertationes physicae
,
1686
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Diſſertatio Septima.
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non abeſſe, quæ ſolido pariter tecto illud concludi opinetur;
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<
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">adeò ut Empyreum univerſum tres in partes tribuatur, qua-
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rum extremæ, ſuprema videlicet & </
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<
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">infima, ſolidæ ſint, media
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autem fluida illis concluſa, ut abſolutè ſolidum dici queat.</
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<
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">Quoniam Firmamenti, quod cum aſtris in gyrum,
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agitur, ſuperficies eſt ſphœrica, atque huic congruunt aquæ
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cœleſtes, quas paribus à ſphœrę mundanæ centro intervallis diſ-
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poſitas aſſerere æquum eſt, etiam Empyrei illas complectentis
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ſuperficiem concavam cum illis convenire, non videtur dubi-
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tandum. </
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">Niſi fortè aliquibus aſſentiamur Empyreum cum,
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reliquo Orbe mundano comparatum concipientibus quaſi Cu-
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bum, cui inſcripta ſit Sphœra: </
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<
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">adeòque cum planam Empyrei
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ſuperficiem, juxta Cubi naturam, definiant, inquirunt, quo-
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nam corpore repleantur anguli illi, quos vacuos non admittunt;
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<
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">eſſet ſcilicet ſpatium illud inane ſatis amplum. </
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">Cum enim,
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Sphœra Cylindro inſcripta ſit Cylindri ſubſeſquialtera, hoc eſt
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ut 2. </
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">Cylindrus autem Cubo inſcriptus ſit ad ipſum Cubum
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in Ratione Circuli Quadrato inſcripti, videlicet baſium, hoc
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eſt proximè ut 11. </
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Cubum in Ratione 22. </
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<
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">, adeóque ſpatium
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illud à Sphœrâ mundanâ in angulis relictum eſſet ferè tantum,
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quanta eſt ipſa Sphœra mundana. </
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<
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nitas Naturæ amica; </
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">ideò inquirendum eſſet corpus illam,
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replens; </
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<
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">quandoquidem in cœleſtibus ęquabilitatem religiosè
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exigunt, nec ipſum Cœlum Empyreum facilè admittunt quaſi
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duo Scaphia ex Cubo reſecta & </
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nam Sphœram complectantur. </
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<
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">Cum itaque mihi nunquam
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viſus ſit Cubus perfectior quàm ſphœra, cujus omnes partes
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extremæ paribus radiis à centro abſunt, non video, cur Em-
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pyrei concava ſuperficies ad nos obverſa ſphœrica non ſit: </
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atque propterea ſimilem ſuperficiem ſuperiori parti, quam Beati
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calcant, empyrei altitudinem definienti tribuendam cenſeo.</
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<
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Cubo præcipua, ſed illi cum cæteris corporibus Regularibus
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communis: </
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tale ſtabilitatem atque immobilitatem plurimum conferat,
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quòd ex tribus quadratis angulus ſolidus conſtituatur; </
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minor ſtabilitas convenit Tetraëdro ſeu Pyramidi, cujus angu-
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lus ſolidus à tribus triangulis æquilateris conſtituitur: </
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difficiliùs voluitur Tetraëdrum quàm Cubus, ſi cætera fuerint
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paria. </
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