Re: Objects and Relations

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sat, 24 Feb 2007 15:23:41 GMT
Message-ID: <1MYDh.665$PV3.10089@ursa-nb00s0.nbnet.nb.ca>

Alfredo Novoa wrote:

> On 23 feb, 14:20, "Cimode" <cim..._at_hotmail.com> wrote:
>

>>>From what I understand in OO:
>>
>>OO -------> RM
>>Class <--> Relation Structure, Relation Variable --> (value holder)

>
> Class <--> Type = Domain
>
>

>>Class Instantiation <--> Relation Value

>
> Class Instantiation = Object <--> Scalar Value or Scalar Variable
>
> These are rough equivalences of course because the OO terms don't have
> serious definitions.

Actually, class instantiation maps to the instantiation of a unary predicate. The RM has n-ary predicate instantiation, which OO lacks entirely. Received on Sat Feb 24 2007 - 09:23:41 CST