□ oint<X1,Y>
poitttfX.Y]
. 2.8. -
:
?- vertical (seg{ point {1,1J( point! 1,2) j). yes
?- vertical (seg; point11,1), point!2,Y>)). no
;- horizontal(seg(point(1,1), point (2,Y})), Y - 1
"yes", . - . Y 1 .
, - , {2,3)?
?- vertical! seg(point(2,3),)>. P = point(2,Y}
, , [2, Y), , = 2. , Prolog , , ( Prolog1) ■ : = point <2,_136)
. 136 , , 13 , . , . : -, , , , -, - , "" .
2, Prolog
, , .
?- vertical! S), horizontal (S).
s = segl point(X,Y), point(x,Y})
Prolog , , , . . , X Y , .
2.3.
? ,
?
) point(, ) = point 1, 2).
) pain (, ) = point (X, Y, 2).
) plus! 2, 2) = 4.
) +(2, D) = ■(, 2).
) triangle(point(>lr0), 2, ) = triangle(PI, point(1,0),
point (0,Y)).
. ?
2.4. , , , , = 5.
2.5. , rectangle! PI, P2, , 4), , .
regular (R)
, R .
