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Re: Possible bridges between OO programming proponents and relational model

From: x <x_at_not-exists.org>
Date: Tue, 6 Jun 2006 16:40:33 +0300
Message-ID: <e640ei$70o$1@nntp.aioe.org>

"Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message news:KXFgg.17468$A26.405810_at_ursa-nb00s0.nbnet.nb.ca...

> You claim that physical memories are multidimensional; however, on the
> one occasion I recall anyone using a computational model with multiple
> dimensions of memories, it was used in the constructive proof that a
> single-tape turing machine is just as expressive as a multiple-tape
> turing machine.

But that only say that the usefulness of turing machines should not be decided based on expressivity. :-)

> I disagree. Confusing a property of a physical address space with a
> property of a logical entity is nonsense. When I put a potato into
> boiling water, I don't conclude that the boiling point of potatos is 100
> degrees celsius nor do I conclude it is a property of cooked potatos as
> opposed to potatos in general.

> Yet, having put a logical structure into a linear memory, you expressed
> a property of the linear memory as a property of the logical structure.
> Don't do that. It's nonsense even if you say it only applies to the
> implementation of the logical structure in the physical address space.

Some people knows that warm water freezes more rapidly than cold water, but the scientists had trouble explaining it :-) Received on Tue Jun 06 2006 - 08:40:33 CDT

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