On Oct 26, 4:43*pm, ken wrote:

I solved it (.....pause for applause.....) too.
But I am finding the proof a bit hard to manage.
I'll try a riddle.
Why did the gnu cross the road?
The gnu wished to see a gnu view.

*almost* ken

Two cheers! (And sorry, ken, that I couldn't say three!)

*almost* J. D. Allen