On Self-Organizing Systems and Their Environments - Understanding Understanding: Essays on Cybernetics and Cognition - page 15

FIGURE 6. After.

and count the number of cells Z i lodging i elements (see Fig. 7 a ). Clearly
we have

Â

ZZ

i =

(i)

Â

iZ

i =

N (ii)

The number of distinguishable variations of having a different number of
elements in the cells is

Z
Z i

!

P = (iii)

'

!