[r-t] Extension

[John Harrison]

In article <367867f9-1f62-b818-f7ee-91b812e64c18 at robinw.org.uk>,
   Robin Woolley <robin at robinw.org.uk> wrote:

> ... the mathematics supporting the whole edifice of change-ringing -
> tho' there are some who think it's a branch of music.

It's both.  

Anyway, plenty has been written about the maths of music. ;-)

-- 
John Harrison
Website http://jaharrison.me.uk