Guevara, Giovanni di
,
In Aristotelis mechanicas commentarii
,
1627
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itinere, ſeu à rectitudine ſui motus declinat, cum in poſtre
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ma eius parte ex latere diuerſum aliquem impulſum acce
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pit, quàm ſi accipiat in alia parte anteriori. </
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<
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">Prima enim.
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</
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<
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">ſeu anterior pars lati
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abbr
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cõtinui
">continui</
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, intenſiori impetu fertur, quàm
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partes ſubſequentes,
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expan
abbr
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validiuſq.
">validiuſque</
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propterea in ſuo motu perſi
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ſtit,
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expan
abbr
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contrarijsq.
">contrarijsque</
expan
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omnibus obſiſtit. </
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<
s
id
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N132A9
">E contra verò vltima.
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</
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<
s
id
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">pars, tanquam remiſſiorem vim conſecuta, imbecillius mo
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uetur, ac facilius cædit. </
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<
s
id
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N132B2
">Id quod maximè in proiectis ob
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ſeruare licebit. </
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<
s
id
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N132B7
">Impetus namque in ea à proijciente im
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preſſus, ſemper maior eſt in eorum parte anteriori, quàm in
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ſequentibus: ſeu illa pars eorum conſtituitur anterior, cæ
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<
expan
abbr
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terasq
">terasque</
expan
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in latione præcedit, in qua maior impetus fuerit
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impreſſus. </
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>
<
s
id
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N132C2
">Vnde cum denſitas materiæ, aut grauitas ſubie
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cti, intenſioris impetus capax redat ipſum proiectum, hinc
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fit, vt etiam ſi in principio motus pars grauior, vel denſior
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fuerit poſterior in progreſſu euadat anterior. </
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<
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id
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N132CB
">Quod apertè
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in proiectione baculi experimur quando anteponitur extre
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mum leuius, & poſponitur grauius; nam ex ſe ipſa extrema
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permutantur in aere,
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expan
abbr
="
priusq.
">priusque</
expan
>
grauius quàm leuius quo ten
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debant pertingit. </
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<
s
id
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N132DA
">Certum ergo relinquitur, vt quo ante
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riores fuerint partes ipſis lati continui, eo validius ferantur
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tanquam maiorem adeptæ, aut ſortitæ impetum, quo verò
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poſteriores, eo imbecillius, vnde etiam facilius vincantur.
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</
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<
s
id
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N132E6
">Hoc ipſum itaque applicando in latione nauis, ait Ariſtote
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les, quod cum nauis rectà fertur antrorſum, facilius eſt illam
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à curſu deflectere puppim à latere impellendo, quàm aliam
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eiuſdem nauis partem mediam, aut proram. </
s
>
<
s
id
="
N132EF
">Siquidem in
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puppi tanquam in poſtrema lati corporis parte imbecilliſſi
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ma virtus eſt impetus impreſſi, in
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expan
abbr
="
eaq.
">eaque</
expan
>
terminatur, ac deficit
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lb
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latio. </
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<
s
id
="
N132FC
">Quare appoſitè clauus in puppi locatur ad excipien
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dos ibi maris impulſus, vt facilius à rectitudine itineris na
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uis ipſa deflectat. </
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<
s
id
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">Quæ profectò Ariſtotelis doctrina,
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abbr
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eiusq
">eiusque</
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applicatio, ſa
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no modo intelligenda eſt. </
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<
s
id
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">Nam licet quando nauigia vni
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co velo in prora locato feruntur, præcipuus impetus per
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malum circa ipſam proram incutiatur; nihilominus quando </
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