Re: Codd's Information Principle

From: paul c <>
Date: Fri, 30 Oct 2009 18:41:51 GMT
Message-ID: <PrGGm.49876$Db2.20716_at_edtnps83>

Cimode wrote:
> Snipped

>> Maybe it's useful to ask this:  Was Codd trying to introduce assignment
>> to logic, (eg. was he trying to augment predicate calculus) or was he
>> trying to apply logic to the assignment of recorded values?

> Can you ellaborate on what you mean by *assignment*. If we are to
> consider assignment in the sense of value assignment to a variable
> then assignement is a simply component of mathematical logic.
> Therefore, I do not see to define one according to the other through
> precedence but rather through inclusion.
> IMHO...
Yes, I mean assignment to a (programming) variable. I don't know of any logical operator called 'assignment'. Received on Fri Oct 30 2009 - 19:41:51 CET

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