Fabri, Honoré
,
Tractatus physicus de motu locali
,
1646
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dico de grauitate plumbi, &c. </
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<
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N11C88
">nec enim libra plumbi coniuncta cum
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alia habet diuerſam grauitatem ab eâ, quam habet ſeparata. </
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<
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<
s
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">Dixi ad intra; </
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<
s
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">quia ad extra multum iuuat extenſio; </
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<
s
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N11C96
">ſic maior ignis
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longiùs diffundit ſuum calorem; </
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<
s
id
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N11C9C
">corpus grauiùs cadens majorem ictum
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infligit; Ad hoc Axioma reuocatur iſtud. </
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<
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<
s
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">1.
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Omnes partes eiuſdem cauſæ agunt ad extra actione communi,
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iuxta
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eum modum quo illam explicabimus in Metaph. nec punctum Solis ſe
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paratum ad eandem diſtantiam ſuam lucem, caloremque ſuum diffunde
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ret; </
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<
s
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">ad quam diffundit coniunctum cum aliis; </
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<
s
id
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">idem dico de igne maiori,
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& minori; de quibus omnibus ſuo loco. </
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<
s
id
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N11CBE
">Huc etiam reuoca dicta illa
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communia. </
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<
s
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">2.
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Plures partes cauſa plures partes effectus producunt, & viciſſim.
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<
s
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">3.
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Maior, & perfectior cauſa maiorem effectum producit, & perfectiorem,
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& viciſſim.
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<
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">4.
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Perfectior effectus, vel imperfectior arguit cauſam perfectiorem, vel im
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perfectiorem, ſuppoſitâ eâdem applicatione; </
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<
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id
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">ſi enim maior eſt applicatio ſine
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ratione loci, ſiue ratione temporis; haud dubiè maior erit effectus, vt conſtat.
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Axioma XIV.
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<
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Quidquid deſtruitur non eſt à ſe.
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</
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<
s
id
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"> Hoc Axioma geometricum eſt; </
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<
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">Quod
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enim eſt à ſe, neceſſariò eſt; </
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<
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id
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">cùm à libertate ſeu voluntate alterius non
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pendeat; </
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<
s
id
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">cum enim primo inſtanti quo res eſt, non ſit à ſe per Axiom. 8.
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de ſecundo idem dici debet, quod de primo, vt patet: </
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<
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">quippe id eo
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primo inſtanti non eſt neceſſariò, quia ita eſt illo inſtanti, vt poſſit non
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eſſe; </
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<
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id
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">ſed etiam ſecundo inſtanti ita eſt vt poſſit non eſſe; igitur non eſt
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neceſſariò, igitur pendet ab alio, quod poteſt facere vt non ſit. </
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>
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<
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">Dices poſſe deſtrui ſecundo inſtanti ab aliquo contrario, à quo tamen
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non pendet per poſitiuum influxum. </
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>
<
s
id
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N11D30
">Reſpondeo, non videri quomo
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do deſtrui poſſit, quod influxu poſitiuo non indiget, vt ſit; quid enim
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faceret contrarium, quod tantùm exigere poteſt contrarij deſtructio
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nem, quid eſt porro deſtrui, niſi deſinere conſeruari? </
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<
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">quæ omnia fusè
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in Metaphyſica demonſtrabimus; </
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<
s
id
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">quidquid enim eſt aliquo inſtanti vel
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eſt à ſe, vel non à ſe; ſi primùm Deus eſt; </
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<
s
id
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">ſi ſecundum ab alio eſt:
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quidquid ſit, hoc Axioma certum eſt phyſicè. </
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<
s
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">Huc reuoca Axiomata ſequentia, quæ ex hoc vno deducuntur. </
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<
s
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">1.
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Quidquid eſt, & non eſt à ſe, eſt, ſeu pendet, ſeu conſeruatur ab alio.
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Hæc enim ſunt idem, vt conſtat. </
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<
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">2.
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Quidquid destruitur, ad exigentiam alicuius deſtruitur, ſaltem totius
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natura, ne aliquid ſit fruſtrà.
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emph.end
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</
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<
s
id
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N11D69
"> Hoc etiam ex hypotheſibus ſequitur; </
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>
<
s
id
="
N11D6D
">cum
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enim deſtrui ſit idem ac deſinere conſeruari; </
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>
<
s
id
="
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">certè qui deſinit conſer
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uare inſtanti A potiùs quam inſtanti B, hoc facere non poteſt niſi ali
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quid hoc exigat; ſcilicet iuxta leges naturæ. </
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<
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">3.
<
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Tandiu aliquid conſeruatur, quandiu nihil exigit eius deſtructionem.
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Hoc ſequitur ex priori, id eſt quandiu eſt eadem ratio, cur ſit, & con
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ſeruetur, quæ erat antè. </
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