Реферат: Логические задачи на языке программирования Prolog

operation("-",X,Y):-Z=X-Y,

write(X,"-",Y,"=",Z),

nl.

operation("*",X,Y):-Z=X*Y,

write(X,"*",Y,"=",Z),

nl.

operation("/",X,Y):-Z=X/Y,

write(X,"/",Y,"=",Z),

nl.

Результат: Z=8+2 Z=8-2 Z=8*2 Z=8/2

Z=10 Z=6 Z=16 Z=4

1 Solution 1 Solution 1 Solution 1 Solution

2. Реализовать эту же программу с внутренней целью

predicates

operation(symbol,real,real)

Goal

write(“Vvedite chisla”),

nl,

readreal(X),

nl,

readreal(Y),

nl,

operation(“+”,X,Y),

operation(“-“,X,Y),

operation(“*”,X,Y),

operation(“/ “,X,Y).

clauses

operation("+",X,Y):-Z=X+Y,

write(X,"+",Y,"=",Z),