Statements 1
The one verb that needs to be mastered in categorical logic
What is the verb of being?
A diagram of the basic relationships between categorical statements with the same subject and predicate
What is the square of opposition?
What is contradiction?
A statement that affirms or denies something about a given subject
What is a categorical statement?
The abbreviation for a universally affirmative statement in the square
What is the A statement?
Two statements that can both be false but cannot both be true
What is contrariety or contrary statements?
This aspect of a statement concerns the extension of the subject, whether it is universal or particular
What is the quantity?
The abbreviation for a universally negative statement in the square
What is the E statement?
Two statements that can both be true but both cannot be false
This aspect of a statement concerns the positive or negative nature of its claim about the subject
What is the quality?
The abbreviation for a particular affirmative statement in the square
What is the I statement?
A relationship where the truth of the universal statement necessitates the truth of the particular
What is subimplication?
The two parts of a statement
What are the subject and predicate?
The abbreviation for a particular negative statement in the square
What is the O statement?
A relationship where the falsity of the particular statement necessitates the falsity of the universal
What is superimplication?