Fig. 6From: Deep bidirectional intelligence: AlphaZero, deep IA-search, deep IA-infer, and TPC causal learningBasic mechanisms: PRODUCT, FAN-in/FAN-out, HIERARCHY, BOUND. a Converging causal tree. b Diverging causal tree. c Star topology collapsed from b. d Star topology collapsed from a. e FAN-in mechanisms. f FAN-out mechanisms. g Subpixel interpolation or mixture subpixel interpolation.h BOUND mechanisms. i Classical factor analysis (FA). j FA mix-star extension. k Forward neural networks. l backward neural networksBack to article page