Intro-Lesson 2
The Art and Science of Reasoning Well
What is Logic?
A four-legged mammal that has
fur, eats only meat and purrs
when rubbed" is an example of
this type of definition."
What is a lexical definition?
Affirmative statements are on this side of the square.
What is the left side?
A statement whose truth value can be determined from the statement itself.
What is a self-supporting statement?
Any statement is either true or false
What is Law of Excluded Middle?
This type of definition reduces vagueness.
What is a precising definition?
Universal Negative statements are represented by this letter
What is E?
A statement by a person concerning his or her own beliefs or desires.
What is self-report?
The predicate of the conclusion that is used in one of the premises.
What is the Major Term?
If a statement is true, then it is true
What is Law of Identity?
a sentence that is either true or false
What is a statement?
Some S are not P is an example of this type of statement.
What is a Particular Negative statement OR "O" statement?
A statement that can be true or false by how the sentence is put together.
What is true or false by logical structure?
The subject of the conclusion that is used in one of the premises.
What is the minor term?
A statement cannot be both true and false
What is Law of Non-Contradiction?
a word with the same meaning
What is a synonym?
This relationship exists between I and O statements.
What is sub contrariety?
A statement that is true by logical structure.
What is tautology?
What is the Mood of the Syllogism?
This definition deals with the proper models of reasoning.
What is Formal Logic?
The inverse of extension.
What is intension?
This means that the statements can both be false at the same time but cannot both be true.
What is contrariety?
A statement that is false by logical structure.
What is self-contradiction?
A number from 1 to 4 identifying the placement of the middle term in the syllogism.
What is the Figure of a Syllogism?