Answer
mother(X, Y) :- parent(X, Y), female(X).
father(X, Y) :- parent(X, Y), male(X).
Work Step by Step
mother(X, Y) :- parent(X, Y), female(X).
father(X, Y) :- parent(X, Y), male(X).
Computer Science: An Overview: Global Edition (12th Edition)
by Brookshaw, Glenn; Brylow, Dennis
Published by
Pearson Higher Education
ISBN 10:
1292061162
ISBN 13:
978-1-29206-116-0
Chapter 6 - Programming Languages - Section 6.7 - Declarative Programming - Questions & Exercises - Page 323: 3
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