AI4QJ wrote:

It is straightforward.


just fundamental common knowledge.


it is common to arrive at the same result using different means; they tend to
confirm that each is correct (like checking a proof as in QED).


Are you new around here???

Debates over common, straightforward, fundamental items are the
lifeblood for most of the endless threads on RRAA.

8-)


73,
Gene
W4SZ