Review Test Submission: Quiz 8 University of British Columbia PHIL 120 (Questions and Answers)
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Course
PHIL 120
Institution
PHIL 120
Review Test Submission: Quiz 8
User Shu Kai Yan
Course 2015WCPHIL12099CIntroduction to Critical Thinking99C Jan 2016
Test Quiz 8
Started 3/26/16 10:28 PM
Submitted 3/26/16 10:38 PM
Due Date 3/28/16 11:59 PM
Status Completed
Attempt
Score
28.5 out of 29.5 points
Time
Elapsed
10 ...
review test submission quiz 8 user shu kai yan course 2015wcphil12099cintroduction to critical thinking99c jan 2016 test quiz 8 started 32616 1028 pm submitted 3
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4/28/2016 Review Test Submission: Quiz 8 – 2015WC-PHIL120-...
Shu Kai Yan 27
My Connect Courses Library Resources Content Collection
H Learning Modules Module 8: Term Logic Review Test Submission: Quiz 8
Review Test Submission: Quiz 8
User Shu Kai Yan
Course 2015WCPHIL12099CIntroduction to Critical Thinking99C Jan 2016
Test Quiz 8
Started 3/26/16 10:28 PM
Submitted 3/26/16 10:38 PM
Due Date 3/28/16 11:59 PM
Status Completed
Attempt 28.5 out of 29.5 points
Score
Time 10 minutes out of 1 hour
Elapsed
Instructions General Instructions:
Quiz 8 consists of 17 questions. You are given 1 (one) hour to complete this quiz.
Questions 15:
Place the given propositions in Standard Categorical Form.
Questions 611:
Test for validity the given syllogistic forms using the Venndiagram technique.
Questions 1217:
Test for validity the given argument using the five rules for syllogism validity, and
determine which of the five rules for syllogism validity are violated for the given
syllogistic forms, if any.
IMPORTANT:
Please note that the quiz must be finished and submitted before the corresponding
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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
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current situation and they will then send their report to me, the instructor, with all the
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relevant information. If not reported to the DL Help Desk, I, the instructor, will not be
able to verify any issues with the Quiz, and, as such, will not be able to change your
grade or give you any other attempt to finish the quiz.
Place the following proposition in Standard Categorical Form (e.g., S = "Students", P =
"People", "All S are P") and match it with one of the five given standard forms.
Proposition: Only brave people are soldiers.
Selected Answer: S = "Soldiers", P = "Brave people"
All S are P
Answers: S = "Brave people", P = "Soldiers"
Some S are P
S = "Brave people", P = "Soldiers"
All S are P
S = "Brave people", P = "Soldiers"
Some S are not P
S = "Soldiers", P = "Brave people"
All S are P
S = "Brave people", P = "Soldiers"
No S are P
Response First, we can paraphrase (in an equivalent way) the sentence a bit, to make it
Feedback: more formal: "ONLY IF you're a brave person, THEN you're a soldier".
Second, remembering that "IF P THEN Q" is logically equivalent to "ONLY IF Q
THEN P", we paraphrase it further, geting rid of "ONLY" (but not forgetting to
switch the antecedent with the consequent): "IF you’re a soldier THEN you’re a
brave person".
Third, remembering that the propositional "If A then B" (where A and B are
propositions, i.e., fullfledged sentences which are, by themselves, either true
or false) can be translated into a categorical sentence "All S are P" (where S
and P are not propositions, but referring terms designating the corresponding
sets of objects), we get a categorical translation: "All S are P", where S =
"Soldiers", and P = "Brave people".
To repeat once again, compare the two symbolyzations of the same English
sentence "Only brave people are soldiers", the first one being within the
propositional logic, the second within the categorical logic:
Propositional logic: "If A then B", where A = "You are a soldier", B = "You
are a brave person".
Categorical logic: "All S are P", where S = "Soldiers", and P = "Brave people".
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