create subject
"(bu erda s
e S )
O'
= Ou{s}
5 ’ = S U {s}
M[xs,x 0]
=
M[x,.x0]barcha l(x}s,x a)
e 5
xO uckun
M [s, x„] = 0
barcha x0
E 0 '
uckun
M'[s. xs]
= 0 barcfca
e 5 ‘ u cA u n
destroy
subject s
(bu erda Cs e 5))
0T- = 0{s}
5” = 5 {s }
= M [ ( r ] j , x 0)b arcfca
l ( xj s, x 0) e S ' x O '
create abject mo" {bu erda о
с
О
)
