Quote Originally Posted by mclane View Post
I mean that base in the producing subtype only contains one part of the full composite IM. In the case of LSI-Se for example, they will only have +Ti as base, instead of the full -Te/+Ti they would have if they were the accepting subtype. This also happens with other functional positions whether they are "energized" or not, but I haven't quite figured out how it works yet.

Productivity has nothing to do with the two-subtype theory. I guess it has more to do with being a Normalizing or a Dominant DCHN (if any).
Sorry if too specific, but what is "full composite IM" vs "only contains one part"?