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Review Test Submission: Quiz 7 University of British Columbia PHIL 120 (Questions and Answers)
  • Course
  • PHIL 120
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  • PHIL 120

Question 1 Suppose the propositions A, B, and C are as given below. Suppose further that A, B, and C are all true. Determine the truth values of each of the following formulas of (non­classical relevance logic) system RP. A = "Socrates was a philosopher", B = "Socrates lived in Greece", C = "E...

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  • February 2, 2023
  • 8
  • 2022/2023
  • Exam (elaborations)
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  • review test submission quiz 7 university of british columbia phil 120 questions and answers
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4/28/2016 Review Test Submission: Quiz 7 – 2015WC-PHIL120-...

Shu Kai Yan 27
My Connect Courses Library Resources Content Collection




H Learning Modules Module 7: Non­Classical Propositional Logics Review Test Submission: Quiz 7




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 11.00001 out of 15 points
Score
Time 38 minutes out of 1 hour and 30 minutes
Elapsed
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
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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
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Results All Answers, Submitted Answers, Correct Answers, Feedback, Incorrectly Answered Questions
Displayed


Question 1 1.00002 out of 3 points

Suppose the propositions A, B, and C are as given below. Suppose further that A, B, and C
are all true. Determine the truth values of each of the following formulas of (non­classical
relevance logic) system RP.

A = "Socrates was a philosopher", B = "Socrates lived in Greece", C = "Einstein was a
physicist":

Question Correct Match Selected Match

B → (A V ¬C) 2. False 1. True


¬(A & B) C 2. False 1. True


¬(B A) (B ¬C) 1. True 1. True


All Answer Choices

1. True

2. False

Response Topics mentioned in the atomic propositions:
Feedback:
Topics in A: "Socrates", "being a philosopher";
Topics in B: "Socrates", "living in Greece";
Topics in C: "Einstein", "being a physicist".

Question 1.1:

Topics mentioned in (the molecular proposition) ¬C: "Einstein", "being a
physicist" [same as in C].

So, A and ¬C are not related, i.e., ~R(A, ¬C), since A and ¬C have no common
topic.

So, (A V ¬C) is False no matter what the truth values of the overall formula's
constituent parts are, i.e., no matter what the truth values of A and ¬C are.

Next step:

Topics mentioned in (the molecular proposition) (A V ¬C): "Socrates", "being a
philosopher", "Einstein", "being a physicist" [the union of topics in A and in ¬C].

So, B and (A V ¬C) are related, i.e., R(B, (A V ¬C)), via "Socrates" and "being a
philosopher".
This study source was downloaded by 100000858936669 from CourseHero.com on 02-02-2023 10:26:59 GMT -06:00

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