Consider the following argument: (1) vx (A(x)→ B(x)) (2) vx (B(x)→ C(x)) (3) -C(e) What's the truth value of A(e) and B(e)? Show your step-by-step reasoning.

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
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Consider the following argument:
(1) Vx (A(x)→ B(x))
(2) Vx (B(x)→→ C(x))
(3) -C(e)
What's the truth value of A(e) and B(e)? Show your step-by-step reasoning.
Transcribed Image Text:Consider the following argument: (1) Vx (A(x)→ B(x)) (2) Vx (B(x)→→ C(x)) (3) -C(e) What's the truth value of A(e) and B(e)? Show your step-by-step reasoning.
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