Answered: a) Compute the weakest precondition for…

a) Compute the weakest precondition for each of the following assignment statements and post conditions: 1 {a > 0} 2) / 3 {b > 2} i) a = 2 * (b + 1) ii)b = (c

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) Compute the weakest precondition for each of the following assignment statements
and post conditions:
i) a = 2 * (b + 1)
ii)b =
1 {a > 0}
2) / 3 {b > 2}
-
(c
-

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