[r-t] FCHs

[Graham John]

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