Clavius, Christoph
,
In Sphaeram Ioannis de Sacro Bosco commentarius
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64
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Ioan. de Sacro Boſco.
"/>
Aequinoctialis, nullo modo cum ſecet, quare nec ad rectos, nec ad obliquos an
<
lb
/>
gulos, tamen alter polotum ipſis maxime extollitur, alter vero maxime depri-
<
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/>
mitur; </
s
>
<
s
xml:id
="
echoid-s1266
"
xml:space
="
preserve
">Vnde ex hac parte maxime obliquam ſphęram habere cenſendi erunt.
<
lb
/>
</
s
>
<
s
xml:id
="
echoid-s1267
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xml:space
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preserve
">Non deſunt tamen, qui eos in ſphęra recta habitare aſſerant, quod eorum Hori
<
lb
/>
zon non eſſiciat obliquos angulos cum Aequinoctialia. </
s
>
<
s
xml:id
="
echoid-s1268
"
xml:space
="
preserve
">Verum hoc eodem ar-
<
lb
/>
gumento concludetur, eos non in ſphęra recta degere, quoniam eorum Hori-
<
lb
/>
zon non conſſituit angulos rectos cum Aequinoctiali, ſed omnino cum eo co-
<
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/>
incidit. </
s
>
<
s
xml:id
="
echoid-s1269
"
xml:space
="
preserve
">Quare meo iudicio rectus cum auctore dicemus, eos in ſphęra obliqua
<
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/>
habitare, quia ſaltem vna cauſa ſphęrę obliquę illis cõgruit, nulla autem ſphę-
<
lb
/>
ræ rectę. </
s
>
<
s
xml:id
="
echoid-s1270
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xml:space
="
preserve
">Quod etiam indicant definitiones aliorum traditę de ſphæ-
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ra recta & </
s
>
<
s
xml:id
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xml:space
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">obliqua.</
s
>
<
s
xml:id
="
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xml:space
="
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"/>
</
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<
p
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<
s
xml:id
="
echoid-s1273
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xml:space
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<
emph
style
="
sc
">Origo</
emph
>
autem, & </
s
>
<
s
xml:id
="
echoid-s1274
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xml:space
="
preserve
">cauſa huius diuiſionis ſphęrę in rectam, & </
s
>
<
s
xml:id
="
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xml:space
="
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">obliquam
<
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<
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position
="
right
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xlink:label
="
note-063-01
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xlink:href
="
note-063-01a
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xml:space
="
preserve
">Rotũditas
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/>
terræ cauſa
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eſt ſphæræ
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/>
rectæ & ob
<
unsure
/>
-
<
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/>
liquę.</
note
>
eſt rotunditas terrę. </
s
>
<
s
xml:id
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xml:space
="
preserve
">Cum enim vt ſuo loco demonſtrabimus, terra ſit rotunda,
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ſit, vt ſitus polorum, & </
s
>
<
s
xml:id
="
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xml:space
="
preserve
">totius ſphęrę mutetur in diuerſis terrę partibus, ita vt
<
lb
/>
homines uerſus alterum polorum procedentes ſemper eum magis ac magis
<
lb
/>
eleuatum intueantur; </
s
>
<
s
xml:id
="
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xml:space
="
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">Quod non accideret, ſi terra eſſet plana. </
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>
<
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xml:id
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xml:space
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">Præterea, quo-
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niam ubicunque homo fuerit, & </
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>
<
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xml:space
="
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">in quacunque orbis terreni parte extiterit,
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ſemper uidet mediam partem cœli, ſecluſis montium, & </
s
>
<
s
xml:id
="
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xml:space
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">uallium impedimen-
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tis, ut a Ptolemęo, Alphragano, & </
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>
<
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xml:space
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">alijs Aſtronomis uarijs eſt phęnomenis com
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pertum, quam quidem medietatem viſam a non uiſa dirimit Horizon; </
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>
<
s
xml:id
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xml:space
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">Effici-
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tur, ut in qua regione unus polus in Horizonte iacet, alter ẽt in eodẽ exiſtat.
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/>
</
s
>
<
s
xml:id
="
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xml:space
="
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">Item quantum alter polorum ſupra Horizontem attollitur, alter quoque ran-
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tum ſub eodem deprimatur; </
s
>
<
s
xml:id
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xml:space
="
preserve
">Alias aut plus, aut minus, quà
<
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/>
m medietatem cęli
<
lb
/>
conſpiceremus, cum poli per dimidiam cęli partem a ſe inuicem diſtent, nem-
<
lb
/>
pe qui per diametrum mundi opponantur. </
s
>
<
s
xml:id
="
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xml:space
="
preserve
">Quare neceſſe eſt, ut homo in ali-
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qua magna campi planitie conſtitutus habeat aut utrumque mundi polum (re-
<
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/>
motis omnibus impedimentis montium ac uallium) in Horizonte iacentem,
<
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quando nimirum Horizon per mundi polos incedit, aut unum eleuatum, & </
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>
<
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xml:space
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">al
<
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terum depreſſum, quando uidelicet Horizon per polos mundi minime tran-
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ſit. </
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>
<
s
xml:id
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xml:space
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">Ex his igitur omnibus euidenter conſtat ratio diuiſionis ſphęrę in rectam & </
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xml:space
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obliquam.</
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xml:space
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</
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<
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style
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emph
>
eſt ab auctore prior illa diuiſio, qua diſtribuitur ſphęra cęle-
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xml:space
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">Prior diui
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-
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ſio cur dica
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tur ſecun-
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dum ſub-
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ſtantiam,
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poſtetior
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autem ſe-
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co
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/>
ndum as
<
unsure
/>
<
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/>
tidens.</
note
>
ſtis in nouem ſphęras, eſſe ſecundum ſubſtantiam, quoniam eſt diuiſio ſuperio-
<
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/>
ris in ſua inferiora, nempe cœli in cœlos particulares; </
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>
<
s
xml:id
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xml:space
="
preserve
">non ſecus ac fi diuide-
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remus animal in hominem, leonem, equum, & </
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<
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">cętera animalia. </
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>
<
s
xml:id
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xml:space
="
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">Vel certe,
<
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quia eſt diuiſio Totius in ſuas partes integrantes, nempe totius regionis cœ-
<
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/>
leſtis in cœlos ſingulos, ex quibus ipſa conflatur, non aliter quam ſi diuide-
<
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/>
retur homo in caput, pectus, crura, brachia, & </
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>
<
s
xml:id
="
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xml:space
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">cętera membra, ex quibus con-
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ſtituitur. </
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>
<
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xml:id
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xml:space
="
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">Poſterior autem hæc diuiſio ſphæræ in rectam, & </
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>
<
s
xml:id
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xml:space
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">obliquam ſphæram
<
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uocata eſt ſecundum accidens, quia in ea non diuiditur ſphæra in fibi eſſen-
<
lb
/>
tialia, ut in priori, ſed in accidentalia, quæ nimirum illi accidunt, habita ra-
<
lb
/>
tione eorum, qui in ſphæra uitam degunt. </
s
>
<
s
xml:id
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xml:space
="
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">Dicitur namque ſphæra recta,
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uel obliqua reſpectu habitantium ſub ipſa, quod quidem accidit ſphæræ. </
s
>
<
s
xml:id
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xml:space
="
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">Tam
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enim eſſet ſphæra, ſi nullus in ea habitaret, quam nunc eſt; </
s
>
<
s
xml:id
="
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"
xml:space
="
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">non eſſet autem re
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cta, uel obliqua, quoniam nullus eſſet Horizon, quem degentes in terra ſolum
<
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/>
conſiderare conſuenerunt. </
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>
<
s
xml:id
="
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xml:space
="
preserve
">Eſt igitur diuiſio hæc ſimilis illi, qua diuideretur
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animal in album, nigrum, &</
s
>
<
s
xml:id
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xml:space
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">c. </
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>
<
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xml:id
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xml:space
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">quam quidem conſtat eſſe diuiſionem ſecun-
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dum accidens.</
s
>
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xml:space
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