103
2 . 2
, , , 2 (P)
(Q). (O), — (I).
(I) (O),
.
/
,
/
.
1. (P) (Q) (O) (. 1).
! (P) (Q) .
2. (A) (O) (. 2).
3. . (R) (A) (. 3).
4. (N) (B).
5. (B) (A) (. 4).
6. ,
(B) (A).
7. (N) , , .
, .
.
1. (P) (Q) (I) (. 1).
! (P) (Q) .
2. (A) (I) (. 2).
3. . (R) (A) (. 3).
4. (S) (A) (. 5).
. 6 . 7.
.
, 5 .
, . ,
.
! (A) , /
. , /
(., ), , 2 (A) (O) (I) (P)
(Q). (Q) . , . (P)
(Q). (Q) . (P) ,
. ! .
()
. 2
. 1
P
Q
(R)
. 3 . 4
(N)
(B)
I O