Exercise 9 (H.W):a. Show that p^ q = 9^ p and P nd nA d r=p^ (qAb. Show that (p v 9) v r = p v (q v r) andc. Show that (p ^ 9 v r =(pn r) v (g i r)d.Show that(p v r) ^A (q v r) and (p v 9) ^ r =b - vd -=

We have to show that both left hand side and right hand side are equivalent. We can show that with…

Exercise 9 (H.W): a. Show that p n q = qa p and pv q = q v P b. Show that (p v 9) v r = pv (q v r) and (p^ 9^r = p^ (q c. Show that (p ^ 9 v r = (pへ)v(g >) d.Show that (pv r) n (9 v r) and (p v ^r = 9 ^ r = b - vd -=

Exercise 9 (H.W): a. Show that p n q = qa p and pv q = q v P b. Show that (p v 9) v r = pv (q v r) and (p^ 9^r = p^ (q c. Show that (p ^ 9 v r = (pへ)v(g >) d.Show that (pv r) n (9 v r) and (p v ^r = 9 ^ r = b - vd -=

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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Concept explainers

Use of XOR function

XOR function or exclusive OR function was introduced in Excel 2013. This function is available under excel logical functions. For the given statement, the XOR function will return true only when either of the statements is true. It returns false when both the statements are true or when both the statements are false.

Question

Exercise 9 (H.W):
a. Show that p^ q = 9^ p and P nd nA d r=p^ (qA
b. Show that (p v 9) v r = p v (q v r) and
c. Show that (p ^ 9 v r =
(pn r) v (g i r)
d.Show that
(p v r) ^
A (q v r) and (p v 9) ^ r =
b - vd -=

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