Peter,
 
> And I think the word "silly" is inappropriate, too.
> I think people should preferably say "like suggesting that 
> Aristotle wrote a seminal text for system safety engineers"
> and then you can get your opponents, who are now alleged miscreants, derailed.
 
May I politely point out to you that you are just 
drilling holes in the water here.
 
Happy Christmas to you, your family and your PhD students, 
and let Aristotle rest in peace, please.
 
It's Christmas :-)
 
Long live Quakerism
 
Yiannis