Borelli, Giovanni Alfonso - De motionibus naturalibus a gravitate pendentibus

Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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Ex Carteſio
aquæ parti-
culæ ſunt ob
longæ, flexi-
biles, vt an-
guillæ, per-
petuò agita-
tæ, & hinc
guttas aquæ
pendulas ſu-
ſtineri poſſe
cenſent.

Cap. 7. de
natura flui-
ditatis.

PROP. CLV.

Oſtenditur abſurditas talis poſitionis
Carteſianæ.

AT ſi talis eſt aquæ natura, ſequitur vt eius par-
ticulæ ſint animatæ, oportet enim vt percipi-
ant, & eligant motus, & inflexiones, quæ neceſſarię
ſunt ad prædictum effectum producendum. Nam ſi-
cuti illi vermes neceſsè eſt vt partim inſinuentur iņ
ſupremas caſei poroſitates non directè, ſed tortuosè
capita inflectendo, vt nimirùm efficiant hamos, vel
vncinos, & è contrà infimæ partes vermium penden-
tes debent quoque inflecti, vt alios vncinos efforment,
in quibus ſubſequentes vermes adrepant, debent-
que paritèr ſubſequentes vermes non ſecùs incurua-
ri, vt duplices vncinos componerent in eius extremita-
tibus. idipſum efficere deberent anguillæ illæ aquam
componentes. At quomodo perſeuerare poſſet ag-
geries prædictarum aquæ anguillularum, niſi prædi-
ctæ earum curuitates ſumma ſolertia, & prouidentia
fierent, & perſeuerarent, prout neceſſitas ſuſtentatio-
nis ponderis earumdem exigit. Et ſi non prouiden-
tia, ſed caſu, vt conſentaneum eſt; monentur, quomo-
do poſſent perpetuò agitari, & inflecti quin aliquan-
do vncini illi diſſoluti ſe mutuò non retinerent? vide-
tur enim impoſſibile vt vniuerſa maſſa virgularum̨
aquæ aliquando, ſaltem per breue tempus non diri-
gatur, vel ſaltem diuerſo modo flectatur, quàm opus

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