[r-t] Terms of truth

[Fred Bone]

On 14 July 2015 at 10:16, John Harrison said:

> In article <55A110BC.6070207 at gmail.com>,
>    Joe Norton <strainsteamford0123456789+ringingtheory at gmail.com> wrote:
> 
> > Then there is a slightly less "true" sort of truth which exists in, say,
> > quarter peals of Minor.
> 
> I don't think that is any less true.  The only deficiency is of (multiple)
> completeness.  After all you wouldn't say that a 120 of Minor was less
> true than a 720, you would merely say it was less complete.

Which reminds me that I have often wondered why a peal of, say, 8000+ 
Treble Bob Major might be described on a peal board as "true and 
complete". If "complete" means merely that it came round when expected, 
why mention it? If not, what does it signify?