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

Don Morrison dfm at ringing.org
Thu Feb 9 14:56:55 UTC 2012

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


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,

Don Morrison <dfm at ringing.org>
"I like large parties. They're so intimate. At small parties there
isn't any privacy."    -- F. Scott Fitzgerald, _The Great Gatsby_

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