Le sostituzioni rappresentate mediante trasposizioni. 11 
ossia 
NB 
dalia [DIAM MIN9 e M+ RR ] + 
A 
T+1i [-D@-D-2)..(n-1)+0- DA). (1-A2++M+D+1) 8.21 | + 
ua TSI L(-19(A-1I(0 2) AZIHC1-A(0 AMI) MAIH+A+LIA+AIAH1... 321] so 
CEI [GA DCI III D AF LAMA) 2] + 
"Erg [(E-DI-1000-2) 02h +2} HANOI). ] 
ed osservando che 
(n 1)(n—D(Mn—Dn—-3) «(_)=(N-1(n-DM—8)..(n_A1)+K(n-D(n—2)..-(n—-K) 
l’ultima formola può scriversi 
NO _ d. 
o vu [ob (n_-2).... (n-k—-1) + (n—-2) (n_3)....(m—k—2)+-...+(K+1)k(k—1)....3.2.1 — 
FIM-1) (0-2) .... (0A) + I(n—2) (n—3) (0-1) +... +k.k(k—1)....8.2.1 | + 
B, 
; Ti) [an (n_2) .... (n-k—2) + (n—2)(n—3) .... (M—K—8) +... + (+2) (K+1) ....3.2.1 + 
tai SFIDARE MIR (1+2)A+DIA+1)82:1] Fa 
Bi. 
sa I] [@-n (1-2) ... (n—2%+2) + (n—-2) (n—-8) ... (n—27X+-1) +... + (@k—2) (k—3) ....3.2.1 + 
w (AB) (_1)(1—2)...(—2%+-8)+(A—8) (0-2 (0—B).(1—M+2) +. 4A—9) (AIA) Hi 321 | + 
Br_ 
CE-DI [&-Da-9) vene (_2E+1) + (n—-2) (n—-3) .. (01-27) +... + (2K—1) (4—2) ....82.1 + 
+ ro) (ML... (m—2%+-2) HA —2(n—2M—B).... (1 — 2EH1) +... +-(24—2)(2%X—2)(0%—3) uu 82.1 | 
