  We investigate several technical and conceptual questions.
  Our main subject is the investigation of independence as a ternary relation
in the context of non-monotonic logic. In the context of probability, this
investigation was started by W.Spohn et al., and then followed by J.Pearl. We
look at products of function sets, and thus continue our own investigation of
independence in non-monotonic logic. We show that a finite characterization of
this relation in our context is impossible, and indicate how to construct all
valid rules.
