On 9 Dez., 09:49, Virgil <vir...@ligriv.com> wrote: > In article > <3d8719ec-bdc5-4d42-92f4-059598a76...@8g2000yqp.googlegroups.com>, > > WM <mueck...@rz.fh-augsburg.de> wrote: > > On 9 Dez., 00:58, Virgil <vir...@ligriv.com> wrote: > > > > A mathematical set only has to distinguish between elements and > > > non-elements, never between one of its element and another. > > > A real number in mathematics has to be an individual that is distinct > > from every other real number. > > But no criterion for being in, or not in, the set of reals distinguishes > between any one real and any another real. > > So however relevant such differences may be for other purposes, as far > as any set containing them is concerned differences between members is > totally irrelevant. > > "Is x a member of y?" is a purely yes or no question.
And you answer it without knowing what x is - and probably even without knowing what y is. And further you don't know what a set is.
That's what I call matheology: Believing without knowing anything essentially.