b) d) Identify the weakest pre-condition for the following decision that can guarantee the post- condition to be true. Assertion given in bold. ( ? ) integer m, n if (m > n) else = y 8 y + 1; y 2 * y; y = y + 18; = ★ { y ≥ 18 } Using the loop invariant given in b), identify the strongest post-condition if the pre-condition is given as { y 2 1 A x ≥ 2).

b) d) Identify the weakest pre-condition for the following decision that can guarantee the post- condition to be true. Assertion given in bold. ( ? ) integer m, n if (m > n) else = y 8 y + 1; y 2 * y; y = y + 18; = ★ { y ≥ 18 } Using the loop invariant given in b), identify the strongest post-condition if the pre-condition is given as { y 2 1 A x ≥ 2).

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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