User blog comment:CatIsFluffy/Introduction to OCFs/@comment-2001:56A:71A8:5F00:40EC:6944:62F7:8605-20180211045214

So how exactly does the \(\Xi\) function work? How do you compare it to the \(\chi\) function? As far as I know, the \(\chi\) is kind of like the "next-tier" \(\psi\) function, and the \(\Xi\) function diagonalizes over the psi, chi .... functions. Is this correct?