Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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made moveable, when the ſaid
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Pythagoras
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aſcribed unto it
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tion.</
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<
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>SALV. </
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>We can think no other, if we do but conſider the way
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he taketh to confute their aſſertion; the confutation of which
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conſiſts in the demolition of buildings, and the toſſing of ſtones,
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living creatures and men themſelves up into the Air. </
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<
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>And
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cauſe ſuch overthrows and extruſions cannot be made upon
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dings and men, which were not before on the Earth, nor can men
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be placed, nor buildings erected upon the Earth, unleſſe when it
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ſtandeth ſtill; hence therefore it is cleer, that
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Ptolomy
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argueth
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gainſt thoſe, who having granted the ſtability of the Earth for
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ſome time, that is, ſo long as living creatures, ſtones, and Maſons
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were able to abide there, and to build Palaces and Cities, make it
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afterwards precipitately moveable to the overthrow and
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of Edifices, and living creatures, &c. </
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<
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>For if he had undertook to
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diſpute againſt ſuch as had aſcribed that revolution to the Earth
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from its firſt creation, he would have confuted them by ſaying,
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that if the Earth had alwayes moved, there could never have been
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placed upon it either men or ſtones; much leſs could buildings
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have been erected, or Cities founded, &c.</
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Ariſtotle
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and
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Ptolomy
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ſeem to
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confute the
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ty of the Earth
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gainſt thoſe who
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thought that it
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ving a long time
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ſtood still, did
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gin to move in the
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time of
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Pythagoras</
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<
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>SIMP. </
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>I do not well conceive theſe
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Ariſtotelick
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and
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maick
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inconveniences.</
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>SALV.
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Ptolomey
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either argueth againſt thoſe who have
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ed the Earth always moveable; or againſt ſuch as have held that
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it ſtood for ſome time ſtill, and hath ſince been ſet on moving.
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<
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>If againſt the firſt, he ought to ſay, that the Earth did not always
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move, for that then there would never have been men, animals, or
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edifices on the Earth, its
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vertigo
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not permitting them to ſtay
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thereon. </
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>But in that he arguing, ſaith that the Earth doth not
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move, becauſe that beaſts, men, and houſes before plac'd on the
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Earth would precipitate, he ſuppoſeth the Earth to have been once
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in ſuch a ſtate, as that it did admit men and beaſts to ſtay, and
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build thereon; the which draweth on the conſequence, that it
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did for ſome time ſtand ſtill, to wit, was apt for the abode of
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nimals and erection of buildings. </
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<
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>Do you now conceive what I
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would ſay?</
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<
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>SIMP. </
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>I do, and I do not: but this little importeth to the
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merit of the cauſe; nor can a ſmall miſtake of
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Ptolomey,
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mitted through inadvertencie be ſufficient to move the Earth,
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when it is immoveable. </
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<
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>But omitting cavils, let us come to the
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ſubſtance of the argument, which to me ſeems unanſwerable.</
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<
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>SALV. </
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<
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>And I,
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Simplicius,
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will drive it home, and re-inforce it,
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by ſhewing yet more ſenſibly, that it is true that grave bodies
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turn'd with velocity about a ſettled centre, do acquire an
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impetus
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of moving, and receding to a diſtance from that centre, even </
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