Subject:
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Re: FS-Pirate & Town Sets Mint In Sealed Boxes/Pack
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Newsgroups:
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lugnet.off-topic.debate
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Date:
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Wed, 29 Nov 2000 19:01:04 GMT
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Viewed:
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399 times
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Larry Pieniazek wrote:
>
> In lugnet.market.theory, Todd Lehman writes:
> > Paul certainly is right: SBA's and OBO's are the same thing.
>
> No they're not! Not in the LUGNET namespace they aren't... They're named
> differently, and thus are not in the same equivalence class when partitioned
> by the partitioning function "allowed in market.buy-sell-trade?". The fact
> that this is their only difference is interesting but insufficient to assert
> equality under this partitioning, which is, after all, the partitioning of
> interest.
They are two names for the same concept, i.e. "thing". Therefore, they
*are* the same thing. If one person calls you Lar and another Mr. P,
that doesn't make Lar and Mr. P different people.
Also, the groups do not form a partition. SBA/OBO is allowed in both.
What is allowed in the groups is based on the concept, and there is an
overlap in the case of SBA/OBO. It will reduce confusion if we call
SBA/OBO "SBA" when posted in the auction group, and "OBO" when posted
in the b-s-t group, but that doesn't make them different things, it
just means they have different names in different contexts.
/Eric/
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