Exercise 2Given KB = (X→Y) ^ (Y→Z), and a = (X→Z)Is KB |= a is valid or not? Exercise 51. Using truth table prove that:a) {(X O Y), Y} | = -X (where "O" designates the exclusive "or")b) {(X ^ Y)} |= X

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Exercise 2 Given KB = (X→Y) ^ (Y→Z), and a = (X→Z) Is KB |= a is valid or not?

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter7: Distance And Approximation

Section7.1: Inner Product Spaces

Problem 12EQ

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Exercise 2
Given KB = (X→Y) ^ (Y→Z), and a = (X→Z)
Is KB |= a is valid or not?

Exercise 5
1. Using truth table prove that:
a) {(X O Y), Y} | = -X (where "O" designates the exclusive "or")
b) {(X ^ Y)} |= X

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