[r-t] Definition of a call

[edward martin]

On 9 June 2011 14:41, Don Morrison <dfm at ringing.org> wrote:

> On Wed, Jun 8, 2011 at 9:54 AM, edward martin <edward.w.martin at gmail.com>
> wrote:
> > 2: I agree with Graham in that “a call is a means of passing from one
> course
> > of a method to another” would be more practical if changed to read “lead”
> or
> > “row”. As I’ve pointed out numerous times, to no avail whatsoever, a call
> in
> > Grandsire Doubles under this definition implies that there are four
> courses
> > equal in structure to the plain course which simply is not the case The
> 120
> > cannot be set out in 4 mutually exclusive plain courses of Grandsire
> > Doubles; therefore in Grandsire Doubles a call cannot be said to move us
> > from the plain course to another!!!
>
> While I don't necessarily disagree (or agree) with your conclusion
> that using "lead" or "row" might have been better, I don't understand
> your reasoning at all. If the official "plain course" of Grandsire
> Doubles is a specious construction because there is no way to
> partition an extent into a set of such courses, doesn't the same
> argument apply to Cambridge Major? Indeed, isn't Cambridge even worse
> since there is no obvious call that allows construction of some other
> building block into which the extent can be partitioned? Do you
> believe Cambridge has no plain course?
>
May I resectfully refer you to Graham John's most recent e-mail

>

Also a further observation about Grandsire Doubles: it *is* possible
> to construct a multi-extent block out of whole courses. Since I don't
> understand your reasoning, I don't know whether or not this is germane
> to the argument, but I suspect it might be.
>
It would seem to me that from the very begining of change ringing  as far as
5 6 & 7 bell ringing is concerned, the word 'method' has  referred to how
best to obtain a true extent thus the method of Grandsire Doubles was
initially introduced as being to ring P B P B P B repeated with two single
changes 60 rows apart. The insistance of its having a plain course has
proved useless as far as obtaining a true extent is concerned.

Eddie
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