Given: false: (^(x) (X(y) y)) true: (A(f) (X(x)x)) unknown: (X(x) ((false (A(z)(zz)) x)) two: (X(f) ((x)(f (f x))))

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
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Given:
false: (X(x) (X(y) y))
true: (X(f) (X(x)x))
unknown: (X(x) ((false (X(z)(zz)) x))
two: (A(f) (X(x)(f (f x)))
What is the result of (unknown two)? Show your steps.
Transcribed Image Text:Given: false: (X(x) (X(y) y)) true: (X(f) (X(x)x)) unknown: (X(x) ((false (X(z)(zz)) x)) two: (A(f) (X(x)(f (f x))) What is the result of (unknown two)? Show your steps.
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