Foscarini, Paolo Antonio
,
An epistle to fantoni
,
1661
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nothing elſe but the end and termination of it ſelf: in regard
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that Grave and Light Bodies, when once they have attained their
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proper and Natural Place, do deſiſt from that Motion to which
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they were incited by Levity and Gravity. </
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<
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>Therefore: ſince Cir
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cular Motion is proper
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to the Whole,
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and Right Motion
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to the
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Parts,
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theſe differences are not rightly referred to Motion, ſo as
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to call one Motion Right, another Circular, as if they were not
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conſiſtent with one another: For they may be both together, and
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that Naturally, in the ſame Body; no leſſe than it is equally
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Natural for a Man to participate of Senſe and Reaſon, ſeeing
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that theſe differences are not directly oppoſite to one another.
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<
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>Hereupon Reſt and Immobility only are oppoſed to Motion;
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and not one Species of Motion to another. </
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>And for the other
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differences
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à medio, ad medium,
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and
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circa medium,
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they are di
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ſtinguiſhed not
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really,
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but only
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formally,
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as the Point, Line and
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Superficies, none of which can be without the other two, or
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without a Body. </
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>Hence it appears, that in as much as this Phy
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loſophy differs from that of
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Ariſtotle,
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ſo in like manner doth this
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New Coſmographical Syſtem vary from the Common one, that
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hath been hitherto received. </
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>But this by the way, upon occaſion
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of explaining the Fifth Maxim: For as to the truth or falſhood
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of theſe foregoing Poſitions (although I conceive them very pro
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bable) I am reſolved to determine nothing at preſent, neither
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ſhall I make any farther enquiry into them.</
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*
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Vide Coperni
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cum de Revolutio
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nibus Cœleſt.
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Simple Motion
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peculiar to only
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Simple Bodies.
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Right Motion
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belongeth to Im
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perfect Bodies, and
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that are out of
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their natural Pla
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ces.
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Right Motion
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cannot be Simple.
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Right Motion is
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ever mixt with
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the Circular.
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*
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æquabilis.
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*
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Even.
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Circular Mo
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tion is truly Sim
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ple and Perpetual.
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Circular Mo
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tion belongeth to
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the Whole Body,
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and the Right to
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its parts.
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Circular and
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Right Motion co
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incedent, and may
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conſiſt together in
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the ſame Body.
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>The Sixth and Laſt Maxim is this. </
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>Every thing is Simply deno
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minated ſuch as it is in compariſon of all things, or of many
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things which make the greater number of that kinde, but not in
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reſpect of a few which make but the leſſer part of them. </
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>As,
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for inſtance, a Veſſel ſhall not be called abſolutely Great be
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cauſe it is ſo whilſt it is compared with two or three others: but
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it ſhall be ſaid to be great abſolutely, and will be ſo, if it ex
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ceed in magnitude all indivials, or the greater part of them. </
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again ſhall a Man be ſaid to be abſolutely Big, becauſe he is big
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ger than a Pigmey; nor yet abſolutely Little, becauſe leſſe than
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a Gyant: but he ſhall be termed abſolutely Big or Little in com
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pariſon of the ordinary Stature of the greater part of Men. </
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<
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>Thus
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the Earth cannot abſolutely be ſaid to be High or Low for that it
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is found to be ſo in reſpect of ſome ſmall part of the Univerſe; nor
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again ſhall it be abſolutely affirmed to be High, being compared
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to the Centre of the World, or ſome few parts of the Univerſe,
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more near to the ſaid Centre, as is the
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Sun, Mercury
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or
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Venus
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:
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but it ſhall receive its abſolute denomination according as it ſhall
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be found to be in compariſon of the greater number of the
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Spheres and Bodies of the Univerſe. </
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<
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>The Earth therefore, in
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compariſon of the whole Circuit of the Eighth Sphære which </
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