Peter Selinger wrote:
"French lawmakers, for example, gave preliminary support this month to a measure that would require the company to open the iPod to play music purchased from any online music service; currently, songs purchased from iTunes can be played only on iPods."
New York Times, 2006/03/29, "Apple vs. Apple in Dispute Over Trademark"
This is of course not a logical contradiction; but I would be very surprised if it is what the writer really meant to say. Sadly, most readers probably won't know the difference one way or the other.
I am not sure that mathematicians should cast stones here, given the decades it took for the ambiguities of First-Order Logic to be recognized, and then rectified with Independence-Friendly Logic. -- Peter McBurney University of Liverpool, UK.