A | 7A | A | B | AÙB | AÚB | AB | AB | |
.
l(7A)= 7l(A),
l (A1*A2) = l (A1)*l (A2),
* Ù, Ú, ,
2
,
.
X, Y, Z, , X1, X2, X3,
. 1) .
2) F1, F2 , 7F1, (F1*F2), * Ù,
Ú, , , .
3) .
F(X1, X2, , Xn) A1, A2, , An ,
F(A1, A2, , An) F A1, A2, , An.
F A1, A2, , An l(F(A1, A2, , An)).
F
.
F(X1, X2, , Xn) 2n | X1 | X2 | Xn-1 | Xn | F(X1, X2, , Xn) | |
... | F(0, 0,..., 0, 0) | |||||
... | F(0, 0,..., 0, 1) | |||||
... | ... | ... | F(0, 0,..., 1, 0) | |||
... | ... | |||||
... | ... | ... | ... | |||
... | ... | |||||
... | ... | |||||
... | ... | ... | ... | ... | ... | |
... | F(1, 1,..., 1, 0) | |||||
... | F(1, 1,..., 1, 1) |
3
╞ F F╞
1) XÚ7X ( )
2) 7(XÙ7X) ( )
3) ((XY)ÙX)Y (modus ponens)
4) (XY)(7Y7X) ( )
5) (X(YZ))(Y(XZ)) ( )
6) ((XY)Ù(YZ))(XZ) ( )
: 1 ; 2 .
5) , (X(YZ))(Y(XZ)) Þ
|
|
X,Y,Z , Þ Þ Þ Þ
Þ Þ Þ Þ
(X(YZ))(Y(XZ)) .
4
H(X1, X2, , Xn)
F(X1, X2, , Xn), H ,
F
F╞ H Û [ A1, A2, , An l(F(A1, A2, , An))=1 Þ l(H(A1, A2, , An))=1]
: F╞ H Û ╞ F H
( )
H(X1, X2, , Xn)
F1(X1, X2, , Xn), F2(X1, X2, , Xn),..., Fm(X1, X2, , Xn), H , F1, F2,..., Fm.
F1, F2,..., Fm ╞ H
. :
1) F1, F2,..., Fm ╞ H
2) F1Ù F2Ù... ÙFm ╞ H
3) ╞ (F1Ù F2Ù... ÙFm) H
4) F1Ù F2Ù... ÙFmÙ7H ╞
: 1) Þ 2) Þ 3) Þ 4) Þ 1)
4) Þ 1): F1Ù F2Ù... ÙFmÙ7H , F1, F2,..., Fm ╞ H Þ (A1, A2, , An) , l(H(A1, A2, , An))=0 , l(F1(A1, A2, , An)) = l(F2(A1, A2, , An)) == l(Fm(A1, A2, , An)) = 1 Þ (A1, A2, , An) , l(7H(A1, A2, , An)) = 1 , l(F1(A1, A2, , An))=l(F2(A1, A2, , An)) == l(Fm(A1, A2, , An)) =1 Þ l((F1Ù F2Ù... ÙFmÙ7H) (A1, A2, , An))=1 Þ
Þ F1Ù F2Ù... ÙFmÙ7H
4), , , . . [ F1Ù F2Ù... ÙFmÙ7H ╞ ] Þ [ F1, F2,..., Fm ╞ H ].
.
, F1, F2,..., Fm ╞ H, :
1) F1, F2,..., Fm, H, ;
2) .
5
F(X1, X2, , Xn) H(X1, X2, , Xn)
,
A1, A2, , An
F@H Û [ A1, A2, , An l(F(A1, A2, , An))=l(H(A1, A2, , An))]
: F@ H Û ╞ F H
( )
. F@ H Û F╞ H H╞ F