Dominique Lohez wrote:
Nate Hayes a écrit :
so for the sake of keeping discussion focused, I attach a PDF
addressing my thoughts only on the first of these two issues. I'll give
examples later addressing the topic of bare decorations.
IMHO the touble with set operators lies that as noted their behavior
depends on extra information.
So the position of Arnold Neumaier may be valid if the stated
conditions
hold.
???
Of the various examples noted in:
http://grouper.ieee.org/groups/1788/email/msg03570.html
the failures are caused by these conditions.
I've yet to see a counter-example that shows how *any* use of intersection
and union with FTDIA gives valid results, except by accident or
coincidence.
So my conclusion is the theory as presented is invalid.