[r-t] FCHs

[King, Peter R]

Or where the point of symmetry is not across the lead end/head. Eg Grandsire the lead starting 1643257 repeats rows from the 3rd lead of the plain course (this is not the same as just ringing the plain course backwards).

Peter 

> -----Original Message-----
> From: ringing-theory-bounces at bellringers.net 
> [mailto:ringing-theory-bounces at bellringers.net] On Behalf Of 
> Fielding Ian
> Sent: 21 May 2010 10:21
> To: ringing-theory at bellringers.net
> Subject: Re: [r-t] FCHs
> 
> 
> My understanding is that you can only get internal falseness 
> in asymmetric plain methods.
> 
> Ian Fielding
> 
> Chief Technician - Pharmacy Patient Services Manager
> 
> 0207 352 8121 x 4591
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> -----Original Message-----
> From: ringing-theory-bounces at bellringers.net 
> [mailto:ringing-theory-bounces at bellringers.net] On Behalf Of 
> Graham John
> Sent: 21 May 2010 09:21
> To: ringing-theory at bellringers.net
> Subject: Re: [r-t] FCHs
> 
> MBD wrote:
> 
> > It seems stranger to me, and needs more thought to confirm,
> > that internal falseness is avoided in most plain methods,
> > than that it is present in TD methods.
> 
> Why? The rows where the treble is in the same position on the 
> way down to
> the way up are related (transposed) in an identical way to 
> the leadheads and
> leadends. If the leadheads and leadends are from distinct sets and are
> unique, then all the other rows must be too.
> 
> Graham
> 
> 
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