(June 22, 2016 at 11:59 pm)Alasdair Ham Wrote: This world is a possible world that actually exists. Many other possible worlds are possible worlds which may or may not actually exist.
No it's not equivalent in any system. It's an equivocation to suggest that any possibility of existence implies an actuality of existence in any way.
But what does it mean, to you, to exist in a possible world?