problemset2

problemset2 - Problem Set 2 Elementary Logic Due: 5...

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Unformatted text preview: Problem Set 2 Elementary Logic Due: 5 December 2005 Name Student ID Number email Mark % Due 5 December 2005 by 4:00PM . Submit your problem set to Ms. Loletta Li in Main Building 302. (If she is not available, go to room 312, the Philosophy department General Office.) Make sure your problem set is timestamped. Do not submit assignments by email. Late penalty: 10% for each day late. This problem set will not be accepted after 9 December. Answer the questions on the problem set itself. Write neatly. If the grader cannot read your handwriting, you will not receive credit. Be sure that all pages of the assignment are securely stapled together. Check the course bulletin board for announcements about the assignment. Do your own work. If you copy your problem set, or permit others to copy, you may fail the course. 1 1. (20 marks) True or false? Circle ‘T’ if the statement is true. Circle ‘F’ if the statement is false. For this question, you may assume that ϕ and ψ are SL WFFs. T F If ϕ is contingent, then ϕ may be inconsistent. T F If ϕ and ψ are logically equivalent, then ψ entails ϕ . T F For any SL WFF ϕ , there is another SL WFF ψ , where ψ is different from ϕ , and ψ entails ϕ ....
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problemset2 - Problem Set 2 Elementary Logic Due: 5...

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