Re: Objects and Relations

Bob Badour <bbadour_at_pei.sympatico.ca> wrote:

>Gene Wirchenko wrote:
>
>> Bob Badour <bbadour_at_pei.sympatico.ca> wrote:
>>
>>
>>>Marshall wrote:
>>>
>>>
>>>>On Feb 14, 6:38 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
>>>>
>>>>
>>>>>JOG wrote:
>>>>>
>>>>>
>>>>>
>>>>>>1) Lego blocks are /not/ the same. They always have a different
>>>>>>location attribute.
>>>>>>2) Hence their x,y,z position attribute always identifies them.
>>>>>>3) However this identifer is very hard to record and keep track of,
>>>>>>even though it exists.
>>>>>
>>>>>To amplify, the location might be familiar and perhaps even unique, but
>>>>>it is neither simple nor stable.
>>>>
>>>>As an aside, there exist domains where location is stable. GIS systems
>>>>come to mind, or driving directions software.
>>>
>>>Location is a stable identifier for a point in some space. It is not a
>>>stable identifier for a lego piece.
>>
>> It could be in a suitable domain. One would be if the locations
>> are limited to being in Lego constructions.
>
>The whole point of lego is to move the pieces around. Today it is part

     ^^^^^

     Nope. Sometimes, the point is to build something that is going to be around for some time. Do not conflate usual usage with all usage.

     There is also fun.

Sincerely,

Gene Wirchenko

Computerese Irregular Verb Conjugation:

     I have preferences.
     You have biases.
     He/She has prejudices.