Dave Crossland wrote:
[...]
> The works that are subject to copyright must be licensed "as a whole"
> under the GPL. The works that are public domain are not subject to
> copyright. Hence it is absolutely trivial to have a derivative work
> based on preexisting public domain material copyright licensed under
> the GPL.
Given: D is a derivative work "as a whole" employing public domain
expression P.
The copyright on D (i.e. stuff that you can copyright license) covers
only D - P = C expression. "As a whole" expression is C + P = D. To
repeat: stuff that can be copyright licensed is only C and not P. Hence
(now try concentrate your brain power)
C < D
which means that D can not be licensed "as a whole" under the GPL.
That's impossible because C < D.
Grok it now?
regards,
alexander.
--
http://gng.z505.com/index.htm
(GNG is a derecursive recursive derecursion which pwns GNU since it can
be infinitely looped as GNGNGNGNG...NGNGNG... and can be said backwards
too, whereas GNU cannot.)
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