Đề cuối kỳ Logic học 2022-2023 - Logic Học UEL

ĐỀ THI CUỐI KỲ ĐẠI HỌC QUỐC GIA TP.HCM Học kỳ II, Năm học 2022-2023 TRƯỜNG ĐẠI HỌC KINH TẾ - LUẬT (Sinh viên KHÔNG được sử dụng tài liệu) Môn thi: LOGIC HỌC (2TC) Thời gian làm bài: 60 phút Họ và tên: _____________________________________ MSSV: ________________________________________ Cán bộ coi thi 1 (Ký tên và ghi rõ họ tên) Cán bộ coi thi 2 (Ký tên và ghi rõ họ tên) Cán bộ chấm thi lần 1 (Ký tên và ghi rõ họ tên) Cán bộ chấm phúc khảo (nếu có) (Ký tên và ghi rõ họ tên) Số câu trả lời đúng: ______________ Điểm số: ________________________ Điểm chữ: _______________________ (Sinh viên làm bài thi trực tiếp trên đề thi, khoanh tròn đáp án chọn) 1. Use the logical square to find the answers to this problem. If “All fashion fads are products of commercial brainwashing” is true, what is the truth value of the following statements? a. No fashion fads are products of commercial brainwashing. b. Some fashion fads are products of commercial brainwashing. c. Some fashion fads are not products of commercial brainwashing. 2. Use the logical square to find the answers to this problem. If “No sting operations are cases of entrapment” is true, what is the truth value of the following statements? a. All sting operations are cases of entrapment. b. Some sting operations are cases of entrapment. c. Some sting operations are not cases of entrapment. 3. Use the logical square to find the answers to this problem: If “No sting operations are cases of entrapment” is false, what is the truth value of the following statements? a. All sting operations are cases of entrapment. b. Some sting operations are cases of entrapment. c. Some sting operations are not cases of entrapment. 4. Use the logical square to determine, If the judge of A is true: a. E is false, I is false, I is false. b. E is false, I is true, O is true. c. E is false, I is true, O is false. 5. Use the logical square to determine, If the judge of E is true: a. A is false, I is false, O is true b. A is false, I is true, O is true. c. A false, I is false, O is false. 6. Determine whether the following inference is valid or invalid? Einstein won the Nobel Prize either for explaining the photoelectric effect or for the special theory of relativity. But he did win the Nobel Prize for explaining the photoelectric effect. Therefore, Einstein did not win the Nobel Prize for the special theory of relativity. a. Valid b. Invalid c. Valid and invalid 7. There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there? a. Three ducks b. Four ducks c. Five ducks 8. Five people were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order? a. ABCDE b. BACDE c. CABDE 9. The day before two days after the day before tomorrow is Saturday. What day is it today? a. Monday b. Thursday c. Friday 10. Determine wether the following standard-syllogisms is valid or invalid? All corporations that overcharge their customers are unethical businesses. Some unethical businesses are investor-owned utilities. Therefore, some investor-owned utilities are corporations that overcharge their customers. a. Valid b. Invalid c. Valid and invalid 11. Determine the following standard-syllogisms is valid or invalid? All impulse buyers are consumers with credit cards. All shopaholics are impulse buyers. Therefore, all shopaholics are consumers with credit cards. a. Valid b. Invalid 12. You are running in a race. You overtake the person in second place. Where do you rank the race now? a. First b. Second c. Thirst 13. Some months have 31 days; others have 30. How many months have 28 days? a. 9 months b. 10 months c. 12 months 14. It takes three grandmas three hours to knit three hats. How long would it take 50 grandmas to knit 50 hats? a. 3 hours hours b. 150 hours c. 12 hours 15. Which of the following standard-syllogisms type is valid of figure 1 a. AAA b. AEE c. AEO 16. Which of the following standard-syllogisms type is valid of figure 2 a. IAI b. AAA c. AOO 17. Which of the following standard-syllogisms type is valid of figure 3 a. IAI b. AAA c. IEO 18. Which of the following standard-syllogisms type is valid of figure 4 a. AOO b. IAI c. AII 19. Determine whether the following symbolized argument is valid: a. ((p⊃q)∧p)⊃q b. (((p⊃q)∨p))⊃q c. (((p⊃q)∧∼p)⊃∼q 20. Determine whether the following symbolized arguments is valid: a. (((p⊃q)∧∼q))⊃∼p b. (((∼p⊃q)∧(r⊃q))∧(p∨˙r))⊃q c. (((p∧q)⊃∼t)∧t)⊃(p∧q) 21. Determine whether the following symbolized argument is valid: a. ((p⊃q)∧(q⊃r))⊃(p⊃∼r) b. ((∼p⊃q)∧(r⊃q))⊃(r⊃q) c. ((p⊃q)∧(q⊃r))⊃(p⊃r) 22. Determine whether the following symbolized argument is valid? a. ((p∨˙q)∧p)⊃∼q b. ((p∨˙q)∧∼p)⊃∼q c. ((p∨˙q)∧∼p)⊃q 23. Determine whether the following symbolized argument is valid: a. ((p∨q)∧p)⊃q b. ((p∨q)∧∼p)⊃∼q c. ((p∨q)∧p)⊃∼q 24. Determine whether the following symbolized argument is valid: