After some years of research, I've written up what I could learn about the Hetu, Luoshu, Before Heaven, and After Heaven diagrams at http://baharna.com/iching/articles/river_trigrams.html. I hope people will find points of interest in the article, regardless of whether you agree with any of my...

Hi, Back in 2008, there was a long and interesting thread here on Former Heaven and Later Heaven Origin (https://www.onlineclarity.co.uk/friends/archive/index.php/t-3833.html), in the course of which Sparhawk and Lienshan referred to some journal articles by Schuyler Cammann that sound...