14. Let the predicate knows(x, y) denote that person x knows person y, and tall(x) denote that person x is tall. Which one of the following first order logic formulas encodes the claim “Bob knows everyone who is tall" ? (a) 3x : tall(x) → knows(Bob, x) (b) 3x : knows(Bob, x) = tall(x) (c) Vx : knows(Bob, x) = tall(x) (d) -3x : tall(x) ^ -knows(Bob, x)

14. Let the predicate knows(x, y) denote that person x knows person y, and tall(x) denote that person x is tall. Which one of the following first order logic formulas encodes the claim “Bob knows everyone who is tall" ? (a) 3x : tall(x) → knows(Bob, x) (b) 3x : knows(Bob, x) = tall(x) (c) Vx : knows(Bob, x) = tall(x) (d) -3x : tall(x) ^ -knows(Bob, x)

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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