On Monday, January 13, 2020 at 7:48:01 PM UTC-7, Brent wrote: > > > > On 1/13/2020 5:52 PM, Alan Grayson wrote: > > > > 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. * > > > No. "Became" would not be "at the start". That's why I want see what you > quoting. You ability to interpret seems inventive to say the least. > > Brent > *Why do I have to quote anyone? I am just using basic logic and trying to resolve an apparent inconsistency. So, if not at the start, then during inflation. How could inflation produce infinite spatial extent? The rate of expansion might be incredibly huge, but not infinite. AG*
> > *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]. >> 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] <javascript:>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/7c6815e5-f51c-4138-9e67-aac82162ceec%40googlegroups.com > > <https://groups.google.com/d/msgid/everything-list/7c6815e5-f51c-4138-9e67-aac82162ceec%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/084fc27b-87ff-46da-9459-a2531a740d12%40googlegroups.com.
