On Monday, January 13, 2020 at 5:12:33 PM UTC-7, Brent wrote: > > > > On 1/13/2020 12:59 PM, Alan Grayson wrote: > > > > On Monday, January 13, 2020 at 1:22:05 PM UTC-7, Brent wrote: >> >> >> >> On 1/13/2020 11:02 AM, Alan Grayson wrote: >> >> >> >> On Monday, January 13, 2020 at 11:20:41 AM UTC-7, Brent wrote: >>> >>> >>> >>> On 1/13/2020 2:21 AM, Alan Grayson wrote: >>> >>> *Forget about matter. I am discussing spatial extent. If it starts >>> small, and expands at any rate less than infinite, its spatial extent >>> cannot be infinite. AG * >>> >>> >>> But so what? What is "it"? and what are you worried about? If "it" is >>> some portion of the universe we can see, it's finite. The inference that >>> the universe is infinite is based on curvature measure in the part we can >>> see. >>> >> >> >> *IT, the universe, has (IMO) a very small but positive curvature, which >> is what we measure. Since we can't precisely measure zero curvature, as JC >> earlier stated, there's no way to distinguish the two cases -- flat and >> infinite in spatial extent versus spherical and finite in spatial extent -- >> on measurements. But since flat and infinite at the instant of the BB >> implies a singularity, I reject that model. AG * >> >> >> Fine. Nobody thinks there was a singularity. >> >> Brent >> > > *They think it's infinite at the beginning but always represent it as very > small at the beginning. * > > > No they represent all the universe we can interact with as small then. If > you have something to question, how about quoting it explicitly; instead of > your interpretation. > > Brent >
*How about if I quote you? You wrote earlier it could be infinite "at the start", "initially". This suggests at the instant of the BB, it became infinite. I interpret this to mean a process resulting in infinite extent. which took zero time; hence a singularity. Your other alternative is that it inflated hugely in a finite time interval. I can see this, but then it couldn't be infinite in spatial extent. AG * > > *That's a great way to communicate. Would you buy a used car from one of > those guys? AG * > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/1ab9ddea-2d11-4559-ae54-a9e00cad7138%40googlegroups.com > > <https://groups.google.com/d/msgid/everything-list/1ab9ddea-2d11-4559-ae54-a9e00cad7138%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/7c6815e5-f51c-4138-9e67-aac82162ceec%40googlegroups.com.
