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Political class (or political elite) is a concept in comparative political science, originally developed by Italian political theorist Gaetano Mosca (1858–1941). It refers to the relatively small group of activists that is highly aware and active in politics, and from whom the national leadership is largely drawn.
The definition of equivalence relations implies that the equivalence classes form a partition of , meaning, that every element of the set belongs to exactly one equivalence class. The set of the equivalence classes is sometimes called the quotient set or the quotient space of S {\displaystyle S} by ∼ , {\displaystyle \,\sim \,,} and is ...
In his landmark publications, such as the Systema Naturae, Carl Linnaeus used a ranking scale limited to kingdom, class, order, genus, species, and one rank below species. Today, the nomenclature is regulated by the nomenclature codes. There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, and species.
If middle class is used in a manner that includes all persons who are at neither extreme of the social strata, it might still be influential, as such definition may include the "professional middle class", which is then commonly referred to as the "upper middle class". Despite the fact that the professional (upper) middle class is a privileged ...
Conjugacy classes may be referred to by describing them, or more briefly by abbreviations such as "6A", meaning "a certain conjugacy class with elements of order 6", and "6B" would be a different conjugacy class with elements of order 6; the conjugacy class 1A is the conjugacy class of the identity which has order 1.
The working class is a subset of employees who are compensated with wage or salary-based contracts, whose exact membership varies from definition to definition. [ 1 ] [ 2 ] Members of the working class rely primarily upon earnings from wage labour .
Class (set theory), a collection of sets that can be unambiguously defined by a property that all its members share Hazard class , a dangerous goods classification Social class , the hierarchical arrangement of individuals in society, usually defined by wealth and occupation
In the United States, the lower class are those at or near the lower end of the socioeconomic hierarchy. As with all social classes in the United States, the lower class is loosely defined and its boundaries and definitions subject to debate and ambiguous popular opinions.