Consider the following predicates: speed(ford,100) speed(chevy 105). speed(dodge,95). speed(volvo,80). time(ford,20). time(chevy,21). time(dodge 24). time(volvo 24). distance(XY) speed(X,Speed). time(X,Time), Y is Speed Time. State whether the query is true or list all of the substitution(s) that make the query true: ?- speed(volvo.X)
Consider the following predicates: speed(ford,100) speed(chevy 105). speed(dodge,95). speed(volvo,80). time(ford,20). time(chevy,21). time(dodge 24). time(volvo 24). distance(XY) speed(X,Speed). time(X,Time), Y is Speed Time. State whether the query is true or list all of the substitution(s) that make the query true: ?- speed(volvo.X)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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