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Originally the cohortes urbanae were divided into three cohorts, each cohort being commanded by one tribune and six centurions. In the time of the Flavians this was increased to four cohorts. Each cohort contained around five hundred men. Only free citizens were eligible to serve in their ranks.
In 22 AD they were commanded by the praefectus vigilum, who was of equestrian rank, and subpraefectus and were divided into seven cohorts commanded by a tribune. Usually tribunes would begin their career by commanding a unit of the Vigiles. [6] Each cohort was divided into seven centuries, each of 70–80 men commanded by a centurion.
The Praetorian Guard (Latin: cohortes praetoriae) was an elite unit of the Imperial Roman army that served as personal bodyguards and intelligence agents for the Roman emperors. During the Roman Republic, the Praetorian Guards were escorts for high-ranking political officials (senators and procurators) and were bodyguards for the senior ...
A cohort (from the Latin cohors, pl.: cohortes; see wikt:cohors for full inflection table) was a standard tactical military unit of a Roman legion. Although the standard size changed with time and situation, it was generally composed of 480 soldiers. [1] A cohort is considered to be the equivalent of a modern military battalion.
The cohorts were ranked from the first to the tenth and the century within each cohort ranked from 1 to 6, with only five centuries in the first cohort (for a total of 59 centurions and the primus pilus). The century that each centurion commanded was a direct reflection of his rank: command of the 1st century of the first cohort was the highest ...
In economics, utility is a measure of the satisfaction that a certain person has from a certain state of the world. Over time, the term has been used in at least two different meanings. In a normative context, utility refers to a goal or objective that we wish to maximize, i.e. an objective function.
Influence. Robbins's Essay is one of the most-cited works on the methodology and philosophy of economics for the period 1932–1960. Arguments therein have been widely accepted on the demarcation of economics as science from discussion of recommendations on economic policy. [7] In that period, economists started referring to Robbins' definition ...
A painting of a gentry scholar with two courtesans, by Tang Yin, c. 1500. The four occupations (simplified Chinese: 士农工商; traditional Chinese: 士農工商; pinyin: Shì nóng gōng shāng), or "four categories of the people" (Chinese: 四民; pinyin: sì mín), [1] [2] was an occupation classification used in ancient China by either Confucian or Legalist scholars as far back as the ...