Q, R(C P, Q E P, R(A D PB

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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Question

A Kripke structure with the states A, B, C, D, E and the propositional variables P, Q, R is defined by the following diagram:

 

For which states do the following modal logic formulas provide the truth value W (or "true") when evaluated in this structure? P, ¬R, OP, ◊(PA-Q)?

Q, R(C
P, Q E
P, R(A
D
PB
Transcribed Image Text:Q, R(C P, Q E P, R(A D PB
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