[OT] Is the D(n) PL discovery or invention?

[Justin Johansson]

BCS wrote:
> Hello Justin,
> 
>> However I suspect that material is not relevant to
>> where I wish to lead this discussion (if I may please).
>>
> 
> No need to creap up on it ... :)

You are right; best cut to the chase.
Looks like there are a few other replies already, so I've involve
myself there.

>> Please may I also ask my audience if they are aware of the math term
>> "countably infinite" and the contra-term "uncountably infinite"?
>>
> 
> Assume we do and those that don't can ask Google.

Sorry, that was a bad way of putting a rhetorical question.