[cap-talk] "Composite", was "Same" key

Charles Landau clandau at macslab.com
Wed Feb 14 22:34:51 CST 2007


At 1:15 AM +0000 2/15/07, David Hopwood wrote:
>I wrote:
>  > Charles Landau wrote:
>  >>              1                          >1                 >=1
>>>1 (MarkM)   Object                   Composite           ?
>>
>  > The "?" is "Composite".

I couldn't find a formal definition of "composite" in MarkM's thesis, 
so perhaps he can clarify. But it seems to defy common English to say 
a single atomic object is also a "composite".

>  >>3 (Landau)  Atomic object            Composite object    Object
>
>An abstraction with two objects such that one is an interface subset
>of the other, is an instance of the ">1" column.

Yes.

>I thought that part of
>your argument was that you didn't want to call that "composite", since
>it is not constructed by composition, narrowly defined.

No. This example is clearly a composite.


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