axis vector - direction + direction
x <+/-1,0,0,0> left right
y <0,+/-1,0,0> down up
z <0,0,+/-1,0> backward forward
w <0,0,0,+/-1> kata, delta, zant ana, upsilon, wint
Considering the XYZ realmic cross-section of this system, we get i x j = -k, which is wrong. Of course, a 4D rotation could invert this, but taking it for the realm, we get it wrong.
I am continuing this in another thread viewtopic.php?f=27&t=2044 because I want to adress some topics which I do not think are related to this section