Formal Logic: Immediate Inferences

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What does the Latin word 'in-ferre' mean?

to deny or negate
to compare or contrast
to bear or to produce (correct)
to analyze or evaluate

How many types of inference are mentioned in the text?

Four
Two (correct)
Five
Three

What is the characteristic of Mediate Inference?

It has no premises
It has no conclusion
It has a middle proposition (correct)
It involves only two propositions

What is the characteristic of Immediate Inference?

It involves only two propositions (B) Signup and view all the answers

What is the 'traditional square of opposition' related to?

Opposition of proposition (C) Signup and view all the answers

What is the conclusion of the Mediate Inference example provided?

All Boholanos are Asians (D) Signup and view all the answers

What is the first requisite for opposition?

The opposite propositions have the same subject and predicate terms (C) Signup and view all the answers

What is the oppositional relation between two propositions that differ both in quantity and quality?

Contradiction (D) Signup and view all the answers

Which of the following sets of opposition is under contrariety?

A and E (B) Signup and view all the answers

What is the oppositional relation between two particular propositions that differ as to their quality?

Sub-contrariety (C) Signup and view all the answers

What is the total number of oppositional relations in Aristotelian logic?

4 (D) Signup and view all the answers

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 (D) Signup and view all the answers

What is the conclusion when a universal statement is false according to Rule 2b?

The particular statement is undetermined or undecided (A) Signup and view all the answers

What is the relationship between contraries according to Rule 1?

They cannot be true at the same time (A) Signup and view all the answers

What is the conclusion when a contrary is true according to Rule 1?

The other contrary is false (B) Signup and view all the answers

What is the relationship between contraries according to Rule 2?

They cannot be false at the same time (D) Signup and view all the answers

What is the conclusion when a contrary is false according to Rule 2?

The other contrary is undetermined or undecided (B) Signup and view all the answers

What is the relationship between sub-contraries according to Rule 1?

They cannot be false at the same time (D) Signup and view all the answers

What is the implication of the universal being true according to Rule 1a?

The particular must also be true. (A) Signup and view all the answers

What is the relationship between I and A according to Rule 1a?

If A is true, I must be true. (B) Signup and view all the answers

What is the result when applying the rule of contrariety to a true statement?

The opposite is false (C) Signup and view all the answers

What is the relationship between sub-contraries according to the Law of Sub-contrariety?

They may be true at the same time (B) Signup and view all the answers

What is the implication of the particular being true according to Rule 1b?

The universal is undetermined. (A) Signup and view all the answers

What is the relationship between O and E according to Rule 1b?

If O is true, E may be true or undetermined. (C) Signup and view all the answers

What is the truth value of the statement 'Some students are not persons' if 'All students are persons' is true?

False (A) Signup and view all the answers

What is the implication of the particular being false according to Rule 2a?

The universal is false. (A) Signup and view all the answers

What is the result when applying the rule of sub-alternation to a false statement?

The opposite is true (D) Signup and view all the answers

What is the relationship between the statements 'All trees are plants' and 'No trees are plants'?

They are contradictories (A) Signup and view all the answers

What is the relationship between I and A according to Rule 2a?

If I is false, A is also false. (A) Signup and view all the answers

What is the truth value of the statement 'Some politicians are not women' if 'Some politicians are women' is true?

Doubtful (C) Signup and view all the answers