Assume that: P(x) means: x is a person; T(y) means: y is a time F(x, y) means: you can fool x at time y. 1) 3x Vt P(x) ^ T(t) → F(xt)) 2) Vx3t (P(x) →T(t) ^ F(xt)) 3) - (Vx Vt P(x) ^ T(t) → F(x.t)))

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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Artificial Intelligence

Convert the following FOL sentences to English
Assume that:
P(x) means: x is a person;
T(y) means: y is a time
F(x, y) means: you can fool x at time y.
1) 3x Vt P(x) ^ T(t) → F(xt))
2) Wx3t (P(x) т() л F(x.t)
3)
((x Vt P(x) A T(t) → F(x_t)))
Transcribed Image Text:Convert the following FOL sentences to English Assume that: P(x) means: x is a person; T(y) means: y is a time F(x, y) means: you can fool x at time y. 1) 3x Vt P(x) ^ T(t) → F(xt)) 2) Wx3t (P(x) т() л F(x.t) 3) ((x Vt P(x) A T(t) → F(x_t)))
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