30 Questions
What does the Latin word 'in-ferre' mean?
to bear or to produce
How many types of inference are mentioned in the text?
Two
What is the characteristic of Mediate Inference?
It has a middle proposition
What is the characteristic of Immediate Inference?
It involves only two propositions
What is the 'traditional square of opposition' related to?
Opposition of proposition
What is the conclusion of the Mediate Inference example provided?
All Boholanos are Asians
What is the first requisite for opposition?
The opposite propositions have the same subject and predicate terms
What is the oppositional relation between two propositions that differ both in quantity and quality?
Contradiction
Which of the following sets of opposition is under contrariety?
A and E
What is the oppositional relation between two particular propositions that differ as to their quality?
Sub-contrariety
What is the total number of oppositional relations in Aristotelian logic?
4
What is the requisite for determining the truth value of the opposite proposition?
The truth value of the opposite proposition is determined in relation to the assigned truth value of the given proposition
What is the conclusion when a universal statement is false according to Rule 2b?
The particular statement is undetermined or undecided
What is the relationship between contraries according to Rule 1?
They cannot be true at the same time
What is the conclusion when a contrary is true according to Rule 1?
The other contrary is false
What is the relationship between contraries according to Rule 2?
They cannot be false at the same time
What is the conclusion when a contrary is false according to Rule 2?
The other contrary is undetermined or undecided
What is the relationship between sub-contraries according to Rule 1?
They cannot be false at the same time
What is the implication of the universal being true according to Rule 1a?
The particular must also be true.
What is the relationship between I and A according to Rule 1a?
If A is true, I must be true.
What is the result when applying the rule of contrariety to a true statement?
The opposite is false
What is the relationship between sub-contraries according to the Law of Sub-contrariety?
They may be true at the same time
What is the implication of the particular being true according to Rule 1b?
The universal is undetermined.
What is the relationship between O and E according to Rule 1b?
If O is true, E may be true or undetermined.
What is the truth value of the statement 'Some students are not persons' if 'All students are persons' is true?
False
What is the implication of the particular being false according to Rule 2a?
The universal is false.
What is the result when applying the rule of sub-alternation to a false statement?
The opposite is true
What is the relationship between the statements 'All trees are plants' and 'No trees are plants'?
They are contradictories
What is the relationship between I and A according to Rule 2a?
If I is false, A is also false.
What is the truth value of the statement 'Some politicians are not women' if 'Some politicians are women' is true?
Doubtful
Test your understanding of immediate inferences in formal logic, including the concept of inference, its types, and the relationship between truth values of propositions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
