O level Logic 2017 part 2.

15 Questions

Quiz Description

Good luck

1:

Give one Reason Why we study logic


Correct
  • 1:
    To seek coherent Knowledge
  • 2:
    To seek for adequate truth
  • 3:
    To identify propositions
  • 4:
    To think with coherence
2:

The statement ‘Birds fly” lacks the optimum logical form because of the absence of :


Correct
  • 1:
    Quantifier and copula
  • 2:
    Quantifier and predicate
  • 3:
    Copula and subject
  • 4:
    Copula and subject
3:

a proposition which states alternatives is known as :


Correct
  • 1:
    Modal
  • 2:
    Categorical
  • 3:
    Disjunctive
  • 4:
    Hypothetical
4:

The statements :”Some students are adults “and “All students are adults “, are propositions which are respectively :


Correct
  • 1:
    E and O
  • 2:
    A and I
  • 3:
    O and E
  • 4:
    I and A
5:

0 The statement :”Only dishonest persons are thieves”, can be adequately translated into its standard form as :


Correct
  • 1:
    All dishonest persons are thieves
  • 2:
    All dishonest persons are thieves
  • 3:
    all thieves are dishonest persons
  • 4:
    All dishonest persons are thieves
6:

In which type of categorical proposition is the subject term distributed and the predicate term undistributed ?


Correct
  • 1:
    E
  • 2:
    O
  • 3:
    I
  • 4:
    A
7:

The venn diagram can be read off as :

A

B

C

D


Correct
  • 1:
    The venn diagram cab be read off as :
  • 2:
    No boys are liars
  • 3:
    same boys are liars Some boys are not liars
  • 4:
    Which of the following is the expression of immediate reference?
8:

Which of the following is the expression of immediate reference?


Correct
  • 1:
    Conclusion is derived from only one premise
  • 2:
    Premise is derived from only one conclusion
  • 3:
    Conclusion provides for the premise
  • 4:
    The premise must be related to the conclusion
9:

Which of these is False of a syllogistic argument?


Correct
  • 1:
    It contains proposition
  • 2:
    It has three terms appearing twice
  • 3:
    Premises are found in the conclusion
  • 4:
    The middle term appears in the premise
10:

Indentify one false reason for studying the syllogism :


Correct
  • 1:
    An excellent tool for clarity
  • 2:
    A test for consistency
  • 3:
    It curbs hasty reasoning
  • 4:
    It corrects fallacies
11:

When structure of a syllogism is violated, commits the fallacy of:





Correct
  • 1:
    Illicit minor
  • 2:
    Four terms
  • 3:
    Undistributed Middle
  • 4:
    llicit process
12:

The fallacy of exclusive premises is committed when the :





Correct
  • 1:
    Two premise are negative
  • 2:
    Middle term is not distributed
  • 3:
    Two premises are particular
  • 4:
    Three terms do not appear twice
13:

Identify which of the following are valid moods In the all figures of categorical syllogism :





Correct
  • 1:
    OAO
  • 2:
    ALL
  • 3:
    EIO
  • 4:
    EAO
14:

29 Which of the following opposition Inferences have as rule:”From the truth of one, we can infer the falsity of the other “?
A
B
C
D


Correct
  • 1:
    Contrariety , contradiction
  • 2:
    Subalternation, contrariety
  • 3:
    Contradiction and subcontrariety
  • 4:
    Subcontrariety, subalternation
15:

Give the E proposition as true, what can be inferred of I and A propositions respectively?


Correct
  • 1:
    False and true
  • 2:
    True and True
  • 3:
    true and false
  • 4:
    False a true

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O level Logic 2017 part 2.
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