University of British Columbia

• PHIL 120

• Review Test Submission: Quiz 7 User Shu Kai Yan Course 2015WC­PHIL120­99C­Introduction to Critical Thinking­99C Jan 2016 Test Quiz 7 Started 3/13/16 10:16 PM Submitted 3/13/16 10:54 PM Due Date 3/14/16 11:59 PM Status Completed Attempt Score 11.00001 out of 15 points Time Elapsed 38 minutes out of 1 hour and 30 minutes Instructions General Instructions: Quiz 7 consists of 5 questions. You are given 1.5 hour (90 minutes) to complete this quiz. Question 1: Determine the truth value of the given propositions in system RP. Questions 2­4: Determine whether the given propositions are tautologies, contingencies, or contradictions in systems P, RP, and Łucasiewicz’s three­valued logic. Question 5: Determine whether the given arguments are valid or invalid in systems P, RP, and Łucasiewicz’s three­valued logic. IMPORTANT: Please note that the quiz must be finished and submitted before the corresponding deadline as in the schedule, not just started ­ once the deadline is reached, the system will automatically stop the quiz and you will no longer be allowed to continue with the quiz (so you might lose your points for the quiz). Also, when you are done, make sure you press the Submit button ­ unless you do so, the quiz may not automatically be submitted to the system (and you risk losing all the points for this quiz)! If, while taking the Quiz, you experience any technical problems which prevent you from completing the Quiz, you must immediately report your issue to the IT­people responsible for the technical issues (not the instructor!) by following the "DL Help