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Logic Programming and Prolog Exercise 4. Run the following Prolog program to answer ?-ancestor(X,Y):' father (terach , abraham). father (terach , nachor). father (abraham, isaac). mother (sara,isaac). parent (X, Y) parent (X, Y) ancestor (X,Y) 1 3 4 father (X, Y). :- mother(X,Y). :- ancestor(X,Y),parent(Y,X). :- parent (X , Y). 5 :- 6. ancestor(X,Y) Report the result and explain the reason for receiving it. Replace Line 7 with ancestor (X,Y) :- parent (X,Y), ancestor (Y,X). and re-run the program. Report the result and explain it if it is different from the first run.

Logic Programming and Prolog Exercise 4. Run the following Prolog program to answer ?-ancestor(X,Y):' father (terach , abraham). father (terach , nachor). father (abraham, isaac). mother (sara,isaac). parent (X, Y) parent (X, Y) ancestor (X,Y) 1 3 4 father (X, Y). :- mother(X,Y). :- ancestor(X,Y),parent(Y,X). :- parent (X , Y). 5 :- 6. ancestor(X,Y) Report the result and explain the reason for receiving it. Replace Line 7 with ancestor (X,Y) :- parent (X,Y), ancestor (Y,X). and re-run the program. Report the result and explain it if it is different from the first run.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Logic Programming and Prolog Exercise 4. Run the following Prolog program to answer ?-ancestor (X,Y):! father (terach , abraham). father (terach , nachor). father (abraham , isaac). mother (sara , isaac). parent (X, Y ) parent (X, Y) ancestor (X ,Y) ancestor (X , Y) 1 2. 3 4 father (X, Y). :- mother (X,Y). :- ancestor (X , Y),parent(Y,X). :- parent (X,Y). 7 : - 8 Report the result and explain the reason for receiving it. Replace Line 7 with ancestor(X,Y) :- parent (X,Y), ancestor(Y, X). and re-run the program. Report the result and explain it if it is different from the first run.
Transcribed Image Text:Logic Programming and Prolog Exercise 4. Run the following Prolog program to answer ?-ancestor (X,Y):! father (terach , abraham). father (terach , nachor). father (abraham , isaac). mother (sara , isaac). parent (X, Y ) parent (X, Y) ancestor (X ,Y) ancestor (X , Y) 1 2. 3 4 father (X, Y). :- mother (X,Y). :- ancestor (X , Y),parent(Y,X). :- parent (X,Y). 7 : - 8 Report the result and explain the reason for receiving it. Replace Line 7 with ancestor(X,Y) :- parent (X,Y), ancestor(Y, X). and re-run the program. Report the result and explain it if it is different from the first run.
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