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Question 4 True or False: The following two statements are logically equivalent: . "There is someone who either plays basketball or hockey." • "Either there is someone who plays basketball or there is someone who plays hockey:" True False Question 5 Let M(x) = "x passed the midterm". Let F(x) = "x passed the final". O Select the statement below which means: "If nobody passed the midterm, then everyone passed the final" xM(x)\xF(x) Vx(M(x)→→F(x)) Vx(-M(x)→ F(x)) Vx-M(x)→ VxF(x)

Question 4 True or False: The following two statements are logically equivalent: . "There is someone who either plays basketball or hockey." • "Either there is someone who plays basketball or there is someone who plays hockey:" True False Question 5 Let M(x) = "x passed the midterm". Let F(x) = "x passed the final". O Select the statement below which means: "If nobody passed the midterm, then everyone passed the final" xM(x)\xF(x) Vx(M(x)→→F(x)) Vx(-M(x)→ F(x)) Vx-M(x)→ VxF(x)

Database System Concepts
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
Problem 1PE
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Question 4 True or False: The following two statements are logically equivalent: • "There is someone who either plays basketball or hockey." "Either there is someone who plays basketball or there is someone who plays hockey:" ● Question 5 O True False Let M(x) = Let F(x) = "x passed the final". O Select the statement below which means: "If nobody passed the midterm, then everyone passed the final". = "I passed the midterm". xM(x)→ VxF(x) \x(M(x) →¬F(x)) Vx(-M(x)→ F( Vx-M(x) → VxF(x)
Transcribed Image Text:Question 4 True or False: The following two statements are logically equivalent: • "There is someone who either plays basketball or hockey." "Either there is someone who plays basketball or there is someone who plays hockey:" ● Question 5 O True False Let M(x) = Let F(x) = "x passed the final". O Select the statement below which means: "If nobody passed the midterm, then everyone passed the final". = "I passed the midterm". xM(x)→ VxF(x) \x(M(x) →¬F(x)) Vx(-M(x)→ F( Vx-M(x) → VxF(x)
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