Review of part 1:
(note: N,M can be nothing and 0 in the second formula is the leftmost zero.)
I repeat arguments themselves. I mean,
Also, this can be thought:
If each slash have arrays, It must be 2D array.
Now, here is a 3D array notation:
Now it get complicated, so I will summarize my definitions.
I define a phrase n-dimensional array of m (nDm) : it is a notation of m's filled with n-dimensional cube with a size of n.
Are these definitions OK? Please leave a comment if these definition have any problems.
Last but not least, I will define a number.
Ita-Chihaya number (beta) = SH(72D72)