Classes: In logic, a class is a collection of objects that share a common characteristic or property. Statements about classes can be expressed using logical symbols, such as "∈" for membership and "⊆" for subset. Identity of classes is provided by same elements (extension) - or identity of properties by the same predicates (intension). See also Sets, Set theory, Subsets, Element relation. - B. Classes in political theory refer to societal groups sharing economic interests, often defined by their relationship to production and resources. See also Society, Conflicts._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. |