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Numerology. Numerology (known before the 20th century as arithmancy) is the belief in an occult, divine or mystical relationship between a number and one or more coinciding events. It is also the study of the numerical value, via an alphanumeric system, of the letters in words and names. When numerology is applied to a person's name, it is a ...
History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') [1] is the systematic study and documentation of the human past. [2] [3] The period of events before the invention of writing systems is considered prehistory. [4] ". History" is an umbrella term comprising past events as well as the ...
Statistical significance. In statistical hypothesis testing, [1] [2] a result has statistical significance when a result at least as "extreme" would be very infrequent if the null hypothesis were true. [3] More precisely, a study's defined significance level, denoted by , is the probability of the study rejecting the null hypothesis, given that ...
In the Western world, classics traditionally refers to the study of Classical Greek and Roman literature and their related original languages, Ancient Greek and Latin. Classics also includes Greco-Roman philosophy, history, archaeology, anthropology, art, mythology and society as secondary subjects.
Classical Greek and Indian mathematicians made studies of the theory of rational numbers, as part of the general study of number theory. [19] The best known of these is Euclid's Elements, dating to roughly 300 BC. Of the Indian texts, the most relevant is the Sthananga Sutra, which also covers number theory as part of a general study of ...
The process of historical revision is a common, necessary, and usually uncontroversial process which develops and refines the historical record in order to make it more complete and accurate. One form of historical revisionism involves a reversal of older moral judgments. Revision in this fashion is a more controversial topic, and can include ...
Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects. Specialists, known as numismatists, are often characterized as students or collectors of coins, but the discipline also includes the broader study of money and other means of payment used to resolve debts and exchange goods .
Runology is the academic study of the runic alphabets, runic inscriptions, runestones, and their history. Runology forms a specialised branch of Germanic philology . The earliest secure runic inscriptions date from around AD 150, with a potentially earlier inscription dating to AD 50 and Tacitus 's potential description of rune use from around ...