Re: Epistemology 201: The Science of Science

From: Lester Zick (lesterDELzick_at_worldnet.att.net)
Date: 03/07/05 

Date: Mon, 07 Mar 2005 14:43:45 GMT

On Sun, 06 Mar 2005 18:12:54 -0500, "robert j. kolker"
<nowhere@nowhere.net> in comp.ai.philosophy wrote:

>Lester Zick wrote:
>>I don't know what you mean by "concentric with", either
>Concentric with means having a common center with.
>
>For example two circles having the same center (one will lie inside the
>other) are concentric or concentric with each other. If A is one circle
>and B is the other, then we say A is concentric with B.
>>
>> I agree. But you can't have an isotropic isomorphic expansion without
>> temporal and spatial metric coincidence or diametric opposition.
>
>Could you say what that means.

It means that coordinate systems for a temporal origin and spatial
observer must coincide or be diametrically opposed in order for there
to be isotropic expansion when a linear effect such as longitudinal
recessional doppler is considered. If spacetime metrics for the
temporal origin of BB and O are eccentric and do not coincide and are
not diametrically opposed the cosmic red shift would be anisotropic.
And the fact that we do have an isomorphic cosmic red shift indicates
an isomorphism at work having the same form but different mechanical
origin from longitudinal recessional doppler.

Regards - Lester

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