Re: PIZZA time again :-)
From: mAsterdam <mAsterdam_at_vrijdag.org>
Date: Sat, 03 Sep 2005 01:16:37 +0200
Message-ID: <4318dd37$0$11080$e4fe514c_at_news.xs4all.nl>
>>Paul wrote:
>>
>>>mAsterdam wrote:
>>>
>>>
>>>>Assume
>>>>1. there is a meaningful (or at least consequential)
>>>>difference between:
>>>>
>>>> toppings([salami, mozarella, onions]).
>>>> and
>>>> toppings([mozarella, onions, salami]).
>>>
>>>Of course there is. If you had the onions at the bottom, they would't
>>>cook right, although as a BOM for billing, there's no problem.
>>
>>So, you agree assumption 1 has value. Good.
>>
>>Consider
>>
>> merge(ListOfLists, MergedList).
>>
>>Now
>>
>>merge ([[salami, mozarella, onions][mozarella, onions, salami]], M).
>>
>>should fail because salami is before mozarella in the first list,
>>and after it in the second. It can't preserve the order.
>>
>>
>>Should
>>
>>merge([[salami, buttonmushroom, mozarella, onions][salami, artichoke,
>>mozarella]], M).
>>
>>succeed with
>> M = [salami, buttonmushroom, artichoke, mozarella, onions]
>> M = [salami, artichoke, buttonmushroom, mozarella, onions]
>>
>>or just the first one (because of the order of the lists)?
Date: Sat, 03 Sep 2005 01:16:37 +0200
Message-ID: <4318dd37$0$11080$e4fe514c_at_news.xs4all.nl>
Duncan Patton wrote:
> On Fri, 02 Sep 2005 15:56:53 +0200 > mAsterdam <mAsterdam_at_vrijdag.org> wrote: > >
>>Paul wrote:
>>
>>>mAsterdam wrote:
>>>
>>>
>>>>Assume
>>>>1. there is a meaningful (or at least consequential)
>>>>difference between:
>>>>
>>>> toppings([salami, mozarella, onions]).
>>>> and
>>>> toppings([mozarella, onions, salami]).
>>>
>>>Of course there is. If you had the onions at the bottom, they would't
>>>cook right, although as a BOM for billing, there's no problem.
>>
>>So, you agree assumption 1 has value. Good.
>>
>>Consider
>>
>> merge(ListOfLists, MergedList).
>>
>>Now
>>
>>merge ([[salami, mozarella, onions][mozarella, onions, salami]], M).
>>
>>should fail because salami is before mozarella in the first list,
>>and after it in the second. It can't preserve the order.
>>
>>
>>Should
>>
>>merge([[salami, buttonmushroom, mozarella, onions][salami, artichoke,
>>mozarella]], M).
>>
>>succeed with
>> M = [salami, buttonmushroom, artichoke, mozarella, onions]
>> M = [salami, artichoke, buttonmushroom, mozarella, onions]
>>
>>or just the first one (because of the order of the lists)?
> > Which is the most truest answer me!!! > > This is a "Whois fairest of them all", sort of thing, but has useful > application if you can limit the semantic expression of underlying > features to something simple and comprehensible. The problem becomes > when something more is read into the order than went into the > ordering. It's important to put the onions on top so they cook > but when you get into voodoo over who should get the cherry on top, > its mebbe time to skip the cherry.
In unix, the cherry on top is root.
In CODASYL databases it's OOAK (One Of A Kind).
In RM there is none.
Received on Sat Sep 03 2005 - 01:16:37 CEST