O level Logic 2017 part 3

8 Questions

Quiz Description

1:

The obverse of the converse of: “Some lawyers are honest people “Is :


Correct
  • 1:
    Some honest people are lawyer
  • 2:
    Some honest people are not lawyer
  • 3:
    Some lawyer are dishonest people
  • 4:
    Some non-lawyer are dishonest people
2:

Read off this venn diagram into a valid syllogism:


Correct
  • 1:
    All mourner are pirate. No mourners are spectators. Therefore , no spectators are pirates
  • 2:
    No spectators are mourners . All pirates are mourner. Therefore, no spectators are pirates
  • 3:
    No mourners are spectators . All pirates are mourners . Therefore, no spectators are pirates
  • 4:
    All pirates are mourners . No mourners are spectators .Therefore, no spectators are pirates
3:

In reading off the venn diagram in arguments, which of the following s false?


Correct
  • 1:
    The P and S circles form the minor premise
  • 2:
    The M and P circles form the major premise
  • 3:
    The M and S circles form the Minor premise
  • 4:
    The P and M circles form the major premise
4:

A second order enthymeme is one in which:


Correct
  • 1:
    the minor premise is followed by the conclusion with ‘since”
  • 2:
    The conclusion is followed by the major premise with “since ”
  • 3:
    The major premise is followed by the conclusion with “because”
  • 4:
    the conclusion is followed by the minor premise with “because “
5:

In the sortie, the suppressed intermediate conclusion becomes the:


Correct
  • 1:
    Major premise of the subsequent argument
  • 2:
    First figure of the subsequent argument
  • 3:
    The conclusion of the subsequent argument
  • 4:
    The minor premise of the subsequent argument
6:

The antecedent of the conclusion of a pure hypothetical syllogism is the:


Correct
  • 1:
    Antecedent of the major premise
  • 2:
    Consequent of the minor premise
  • 3:
    Consequent of the minor premise
  • 4:
    Antecedent of the minor premise
7:

Identify the following argument :”John is either guilty or innocent . John is innocent. Therefore, he is not guilty”.


Correct
  • 1:
    Modus tollens
  • 2:
    Modus ponendo tollens
  • 3:
    Modus tollendo ponens
  • 4:
    Modus Ponens
8:

Which of the following illustrates a valid Modus Tollens?


Correct
  • 1:
    Conclusion affirms the antecedent
  • 2:
    Minor premise denies the antecedent
  • 3:
    Conclusion denies the subsequent
  • 4:
    Minor premise denies the consequent

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O level Logic 2017 part 3
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