Acmesoft has 2 types of employees: programmers or salespersons. Programmers always tell the truth; salespersons always lie. A, B, and C are employees of Acmesoft. You ask A, B, and C whether they are programmers or salespersons. A mumbles. B mumbles. C answers, "Ha, B is silly! A did not say that he was a programmer." B yells out, "Ha, C is silly! A did not say that he was a salesperson!" You know that they are either all programmers or all salespersons. Which are they?
Acmesoft has 2 types of employees: programmers or salespersons. Programmers always tell the truth; salespersons always lie. A, B, and C are employees of Acmesoft. You ask A, B, and C whether they are programmers or salespersons. A mumbles. B mumbles. C answers, "Ha, B is silly! A did not say that he was a programmer." B yells out, "Ha, C is silly! A did not say that he was a salesperson!" You know that they are either all programmers or all salespersons. Which are they?
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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Acmesoft has 2 types of employees: programmers or salespersons. Programmers always tell the truth; salespersons always lie. A, B, and C are employees of Acmesoft. You ask A, B, and C whether they are programmers or salespersons.
A mumbles. B mumbles. C answers, "Ha, B is silly! A did not say that he was a programmer." B yells out, "Ha, C is silly! A did not say that he was a salesperson!" You know that they are either all programmers or all salespersons. Which are they?
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