On 6 Apr., 20:34, Nam Nguyen <namducngu...@shaw.ca> wrote:
> > > Every counterexample of GC, if existing, is a fixed natural number. > > But I do not pretend that I know such an SS...S0. And that statement > > with, say 42, does not play a role in my arguing. > > > ~GC <==> Counter example with a fixed n in |N exists. <==> > > Fixed n in |N can be found. ==> Goldbach conjecture is decidable. > > You're incorrect in that: > > ~GC is syntactically of the form Ex[P(x)]. No "fixed n" is required. Period.
Try to understand mathematical contents, not "syntactic form". You may use n or x or y or what you like. If you have been taught that different names like x and SS...S0 change anything of relevance in mathematics, then you should try to get your tuition fees back.