Introduction . 1 . 3 
Reft , remain a Void , and into which any other Body , not exceeding its Dimenfions , may enter without any manner of Protruiion or Rcfiitancc . 
However any rational Creature came fo far to im - pofe upon himfelf , as to entertain a Di { belief hereof , I cannot eafdy imagine . But it is certain , that fuch have been the Prejudices which fome Perfons have taken up from an unaccountable Bigotry to Syfte - matical Learning , and to thofe Hypothefes larly which have had the Maidenhead of their Un - derftandings , as to have railed Controverfies on . Some with their Heads full ot the Tricks ot a fubtle Matter , and others , out of a religious Dread of charging fuch an odious Thing as a Vacuum upon ture , have not made any Difficulty fometimes of guing themfelvcs out of their Senfes . For fuch as have not quite outgone all Regard to their Teil i mo ny , cannot but be fully convinced , as well as from Rea - fon , by an Abundance of convincing Experiments ( for this Purpofe contrived ) of the Truth hereof : Although in this Idea there may indeed be made fome Diftin & ion from thofe before taken Notice of , viz . That it is rather from a privative , than a pofitive Caufe : But ( as the excellent Mr Locke hath already made it fully appear ) nothing is more certain , than that we have a great many of our pofitive Ideas or Perceptions even very clear and diltindt from vate Caufes , as of Refi , Silence , a Shadow , and many others . But for a full Account of the fophi - ftical Reafonings , by which lome have endeavoured to impofe both upon themfelvcs and others herein , with a full refutation of them , the Reader may confult Borelli de Motibus naturalibus à Gravitate Pen~ dentibus , Prop . 247 , —270 , and Mr John Keil' / cond Lefìure , in his Introducilo ad Veram Pby / tcarn . 
There is another Idea likewife , which we obtain from our Senfes of the Properties of Matter , and 
2 which
	        

Note to user

Dear user,

In response to current developments in the web technology used by the Goobi viewer, the software no longer supports your browser.

Please use one of the following browsers to display this page correctly.

Thank you.