Remove the incorrect theoretical presentation.
Remove the incorrect theoretical presentation.

I slipped a minus sign in there, and drew incorrect conclusions.
Luckily, I caught this before deploying broken code.

AmeBel/opencog,andre-senna/opencog,AmeBel/opencog,andre-senna/opencog,AmeBel/opencog,andre-senna/opencog,AmeBel/opencog,AmeBel/opencog,AmeBel/opencog,andre-senna/opencog,AmeBel/opencog,andre-senna/opencog,andre-senna/opencog,andre-senna/opencog