Re: atomic

From: paul c <>
Date: Fri, 02 Nov 2007 15:34:42 GMT
Message-ID: <msHWi.169299$th2.124200_at_pd7urf3no>

Roy Hann wrote:
> "paul c" <> wrote in message
> news:08HWi.167005$Da.137917_at_pd7urf1no...

>> If I may dodge the ordering question for now and continue with my casual 
>> graphics, how could a relation like the following be useful? (assuming one 
>> pizza per order and ignoring pizza size)
>> PizzasOrdered:
>> Order {Toppings}
>> _____ __________
>> 1     {Tomato, Sausage, Cheese}
>> 1     {}

> If the predicate is something like "The kitchen is currently cooking <order>
> pizzas with <toppings>", where <order> is a count. (i.e. someone has
> ordered just a crust--my son would, and someone else has ordered a proper
> pizza.) I could no doubt invent other possible interpretations. My
> question is, what predicate did you intend me to use when answering your
> question?

I think your predicate is fine. I just don't see how both tuples might apply to same pizza. Received on Fri Nov 02 2007 - 16:34:42 CET

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