In article <A2P7t.14440$yV1.13813@newsfe29.iad>, Nam Nguyen <namducnguyen@shaw.ca> wrote:
> On 06/04/2013 12:08 AM, Virgil wrote: > > In article <bWN7t.281592$O52.191417@newsfe10.iad>, > > Nam Nguyen <namducnguyen@shaw.ca> wrote: > > > >> On 05/04/2013 10:31 PM, Virgil wrote: > >>> In article <VFM7t.356449$PC7.98356@newsfe03.iad>, > >>> Nam Nguyen <namducnguyen@shaw.ca> wrote: > >>> > >>>> Then you don't seem to understand the nature of cGC, depending on the > >>>> formulation of the Conjecture but being a _different_ formula. > >>>> > >>>> For GC (the Goldbach conjecture), there naturally are 2 cases: > >>> > >>> What if the GC is eventually proved true in all systems? > >> > >> What do you mean by "all" systems? > > > > At least all systems in which a set of positive naturals with the usual > > forms of addition and multiplication are possible. > > What do you mean by "positive naturals", "usual forms", "possible"? > That's way too "intuitive" to conclude anything definitely, right?
The naturals nowadays can either include zero or not, and zero is not a positive natural.
Are you really not familiar with the usual forms of addition and multiplication as they are understood for natural numbers? --