[r-t] Plain Bob lead heads/ends (was ringing-theory Digest, Vol 89, Issue 9)

Philip Saddleton pabs at cantab.net
Thu Feb 9 15:14:41 UTC 2012

or more succinctly

c) Plain Bob lead ends


Don Morrison said  on 09/02/2012 14:56:
> On Thu, Feb 9, 2012 at 9:31 AM, King, Peter R<peter.king at imperial.ac.uk>  wrote:
>> I think you can't have one without the other if you have 12 or 1n lead ends.
> Yes, at even stages, for single hunt methods, I believe
> a) Plain Bob lead heads and either place notation 12 or 1n across the
> lead end
> and
> b) Plain Bob lead heads and lead ends
> are equivalent. However, I believe Robin did not explicitly state the
> second half of critera (a). And, in any case, I think criteria (b) may
> be more useful, as they seem more succinct, and work for odd stages,
> too.

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