[r-t] [r-c] Definition of a peal (was Not A Block)

[Mark Davies]

Peter King writes,

> And mathematically the null change is just the identity permutation
 > which is considered to be a perfectly valid permutation

But this isn't maths - it's bellringing.

> Of course someone could ring rounds 42 times followed by 21435 42 times
 > and so on through an extent of doubles and claim they have rung
 > a peal.

They might well think they had rung a peal, but it wouldn't be a 
change-ringing peal. You need changes for it to be change-ringing. It's 
sort of the whole point.

MBD