Challenge B: Introductory Logic: Vocabulary- Lesson 12 Flashcards

5th edition

6349574732	Categorical Statements	Statements that either affirm or deny something about their subjects. They express a relationship between two classes of objects; the subject class (the class the subject belongs to) and the predicate class (the class the predicate belongs to)	0
6349574733	Four forms of categorical statements	1. All S are P. (Universal; Affirmative) 2. No S are P. (Universal; Negative) 3. Some S are P. (Particular; Affirmative) 4. Some S are not P. (Particular; Negative) S stands for subject P stands for predicate	1
6349574734	Subject of a statement	The term being described or about which something is asserted	2
6349574735	Predicate of a statement	the term that describes or asserts something about the subject.	3
6349574736	Quantity of a statement	The scope of its claim about the extension of the subject (ie. how much of the subject is the statement talking about? All? Some? None? Can either be universal or particular.	4
6349574737	Universal	When a statement talks about the entire extension of the subject. (All or No)	5
6349574738	Particular	When a statement talks about only part of the extension (Some or Some...not)	6
6349574739	Quality of a statement	The positive or negative nature of its claim about the subject. Can either be affirmative or negative.	7
6349574740	Affirmative	A statement is this when it affirms or asserts something about the subject. (All or Some)	8
6349574741	Negative	A statement is this when it denies something of the subject. (No or Some...not)	9
6349574742	Rules for putting statements into standard categorical form	1. The statements must begin with the words all, no or some. 2. The verb must be a verb of being (is, are, was, were, will be, etc.) 3. Both the subject and the predicate must be a noun or noun phrase.	10