PHIL-1003 Chapter Notes - Chapter 5: Syllogism, Categorical Proposition, Venn Diagram
28 Feb 2017
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Categorical proposition - relates two classes of objects, either affirms or denies total class inclusion, or else it affirms or denies partial class inclusion. Subject term - the term that comes first in a categorical proposition. Predicate term - the term that comes second. Universal affirmative - a proposition that affirms that every member of the subject class is a member of the predicate class (all s are p) Universal negative - a proposition that asserts that no members of the subject class are members of the predicate class (no s are p) Particular affirmative - a proposition that asserts that some members of the subject class are members of the predicate class (some s are p) Particular negative - a proposition that asserts that some members of the subject class are not members of the predicate class (some s are not p: quantity, quality and distribution. Quantity - when a proposition is either universal or particular.
