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

King, Peter R peter.king at imperial.ac.uk
Thu Feb 9 18:45:14 UTC 2012

Doesn't Philips comment answer it? For single hunt methods on even or odd stages a plain bob lead end must have a plain bob lead head with place notation 12 or 1n (or 12n or 1 for odd stages). Any other place notation could be considered a bobbed lead of a method with said pn (I know that the definition of calls is considered to be independent of the definition of the method but would anyone really think that Ebor is anything other than Cambridge with a bob at the lead end?).

The original post from Graham was whether or not the term regular was useful. Given the properties of the plain bob lead end/heads then I think it is. In the same way that separating out cyclic methods (which is on the basis of the lead heads) is useful. I suspect that part of the problem is that the complementary term, "irregular" is somewhat pejorative in the way that "non-cyclic" isn't. Perhaps there is a more neutral term (I certainly don't like "standard" the implication being that other methods are "sub standard"). I don't think this a value judgement it is simply a way of classifying methods based on one element of their structure which is useful to ringers, conductors and composers.

Given that "regular" methods form a useful (in my opinion) set as does cyclic, are there any other lead end/head sets that are useful in any way?
From: ringing-theory-bounces at bellringers.net [ringing-theory-bounces at bellringers.net] on behalf of Philip Saddleton [pabs at cantab.net]
Sent: Thursday, February 09, 2012 3:14 PM
To: ringing-theory at bellringers.net
Subject: Re: [r-t] Plain Bob lead heads/ends (was ringing-theory Digest, Vol 89, Issue 9)

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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