Salusbury, Thomas
,
Mathematical collections and translations (Tome I)
,
1667
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videtur agnita. (In Engliſh thus:)
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Contrary to which poſition
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there do ariſe moſt difficult, yea inextricable ſecond queſtions,
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ſuch as theſe; That intern principle is either an accident, or a
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ſubſtance. </
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<
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>If the firſt; what manner of accident is it? </
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>For a
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locomotive quality about the centre, ſeemeth to be hitherto
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knowledged by none.</
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<
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>SALV. How, is there no ſuch thing acknowledged? </
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>Is it not
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known to us, that all theſe elementary matters move round,
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gether with the Earth? </
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>You ſee how this Author ſuppoſeth for
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true, that which is in queſtion.</
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<
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>SIMP. </
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>He ſaith, that we do not ſee the ſame; and me thinks,
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he hath therein reaſon on his ſide.</
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<
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>SALV. </
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>We ſee it not, becauſe we turn round together with
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them.</
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<
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>SIMP. </
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<
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>Hear his other Argument.
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Quæ etiam ſi eſſet,
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modo tamen inveniretur in rebus tam contrariis? </
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>in igne, ut in
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quâ; in aëre, ut in terra; in viventibus, ut in anima carentibus?
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[in Engliſh thus:]
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Which although it were, yet how could it be
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found in things ſo contrary? </
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<
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>in the fire, as in the water? </
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>in the
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air, as in the earth? </
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>in living creatures, as in things wanting
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life?</
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<
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>SALV. </
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<
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>Suppoſing for this time, that water and fire are
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ries; as alſo the air and earth; (of which yet much may be ſaid)
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the moſt that could follow from thence would be, that thoſe
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tions cannot be common to them, that are contrary to one
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ther: ſo that
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v. </
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<
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>g.
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the motion upwards, which naturally agreeth
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to fire, cannot agree to water; but that, like as it is by nature
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trary to fire: ſo to it that motion ſuiteth, which is contrary to the
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motion of fire, which ſhall be the motion
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deorſùm
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; but the
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cular motion, which is not contrary either to the motion
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ſurſùm,
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or to the motion
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deorſùm,
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but may mix with both, as
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Aristotle
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himſelf affirmeth, why may it not equally ſuit with grave bodies
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and with light? </
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>The motions in the next place, which cannot be
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common to things alive, and dead, are thoſe which depend on the
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ſoul: but thoſe which belong to the body, in as much as it is
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mentary, and conſequently participateth of the qualities of the
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lements, why may not they be common as well to the dead corps,
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as to the living body? </
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<
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>And therefore, if the circular motion be
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proper to the elements, it ought to be common to the mixt bodies
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alſo.</
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<
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>SAGR. </
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>It muſt needs be, that this Author holdeth, that a dead
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cat, falling from a window, it is not poſſible that a live cat alſo
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could fall; it not being a thing convenient, that a carcaſe ſhould
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partake of the qualities which ſuit with things alive.</
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<
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>SALV. </
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<
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>Therefore the diſcourſe of this Author concludeth </
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