User blog comment:Hyp cos/Analysis - BEAF, FGH and SGH (part 3)/@comment-10429372-20131103071157/@comment-11227630-20131103114058

Oh, no, I make something wrong there. Now it's fixed. I should have known that the legiattic arrays on X_2's are more powerful than on n's.

By the way, C2(0) is equal to psi2(Ωw), and C(Ω2) is C(C1(C1(...C1(0)...))).