X Y,
X Y
X - ,
Prolog :
mother! x, Y):-parentC x, Y), female(X}.
; , .
, parent, offspring mother., , . 1.3. . , .. . ( ) . . . , , . : , , , . . 1.3, grandparent Prolog : grandparent! X, Z):- parent t X, Y), parentt Y, Z).
Y 1 grandparent |
parent |
Ex 0-r
, offspring parent
. 1.3. , .iffspringmother u grandparente
. Prolog . . , , , , , . . , . , grandparent :