Re: opacity, animate and mask

David,

I am requesting Doug provides an example he believes impossible.

It is for us to provide an alternative method.

so your concern around negatives may not in this instance be germane.

regards

Jonathan Chetwynd



On 4 Aug 2007, at 15:07, David Woolley wrote:


~:'' ありがとうございました。 wrote:

> are you suggesting that Doug's assertion is without value?

No.  Although formally unprovable, negative assertions can still be  
very useful working hypotheses.
-- 
David Woolley
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