Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Q2: Translate the following First Order Logic in English sentences. [4]
Q2 IN the picture
- "X (Ø X = Ahmed ® help(Ali, X)
- $X student(X) Ù (read(X) ˅ write(X))
- Ø ("X bird(X) ® fly(X))
- "X father(Khalid, X) ® Øfemale(X)
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- I will thumbs up if you answer all. please convert FOL to CNF Convert each of the following English statements into a single first-order logic sentence using the following constants and predicates. •Constants: Apples, Oranges, Chess, Go, John, Mary. •Predicates: oLikes(x,y): person x likes food y oPlays(x,y): person x plays game y a.If a personlikesApples, then they play chess. b.If a person likesOranges, then they play Go. c.A person likesApples or Oranges, but not both. d.John likes apples. e.Mary does not like anything that John likes. and then: Convert each of the first-order logic sentences in Problem 2to conjunctive normal form (CNF). There is no need to show intermediate steps. Assign each clause number: C1, C2, etc.arrow_forwardLet p, q, and r be the propositions p: You started a new video game this week. q: You finished all its quests.r: You didn’t win the platinum trophy.Express each of these propositions as an English sentence.¬p → ¬q(p ∧ q) → (¬r)((¬p) → (¬q)) ∨ (q → (¬r))(p ∧ q) ∨ (¬q ∧ r)arrow_forward26. Which is the correct statement(s) for Non Recursive predictive parser?S1: First(α) = {t | α => * t β for some string β } => *tβS2: Follow(X) = { a | S => * αXa β for some strings α and β } a. Both statements S1 and S2 are incorrect b. S1 is incorrect and S2 is correct c. S1 is correct and S2 is incorrect d. Both statements S1 and S2 are correctarrow_forward
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