Re: RM formalism supporting partial information
Date: Tue, 20 Nov 2007 09:47:48 -0800 (PST)
> > In a tuple I would call "tuple elements" to the pairs formed by name
> > and value.
> I am not sure the name is necessarily part of the element other than to
> identify it.
> I am not sure if that is clear enough. In mathematics, we
> sometimes use names and we sometimes use position to identify the
> elements of tuples.
In "traditional" mathematics we use positions, in RM mathematics we use names to identify the elements of tuples. This is one of Codd's aportations. RM tuples and "traditional" tuples are not the same mathematical constructions.
Alfredo Received on Tue Nov 20 2007 - 18:47:48 CET