User blog comment:SuperSpruce/The T function part 3: Tetrational Arrays/@comment-35470197-20190409011116

What does a dimensional separator precisely mean? Is it an expression consisting of two or more symbols such as ? Since it is not syntax-theoretically specified, I could not understand the process Ca.

For example, when you apply A to T_n[02], is the first entry is \(0\). Then the next entry is \(1\) because it is also in the same same layer of the brackets [], right?