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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.
Coins or currency which must be accepted in payment of debt. legend The principal inscription on a coin. [1] lettered edge The outside edge of a coin containing an inscription. [1] low relief A coin with the raised design not very high above the field. luster The appearance of a coin's ability to reflect light; brilliance.
A numismatist is a specialist, researcher, and/or well-informed collector of numismatics/coins ("of coins"; from Late Latin numismatis, genitive of numisma).Numismatists can include collectors, specialist dealers, and scholar-researchers who use coins (and possibly, other currency) in object-based research. [1]
In set theory, a dichotomous relation R is such that either aRb, bRa, but not both. [1]A false dichotomy is an informal fallacy consisting of a supposed dichotomy which fails one or both of the conditions: it is not jointly exhaustive and/or not mutually exclusive.
There is thus some looseness in the definition. Though there may indeed be only two paths from any node, there are thus three possibilities at each step: choose one onwards path or the other, or stop at this node. Dichotomic searches are often used in repair manuals, sometimes graphically illustrated with a flowchart similar to a fault tree.
Exonumia are numismatic items (such as tokens, medals, or scrip) other than coins and paper money. This includes "Good For" tokens, badges, counterstamped coins, elongated coins, encased coins, souvenir medallions, tags, wooden nickels and other similar items. It is an aspect of numismatics and many coin collectors are also exonumists.
A Type Set may contain the designs of only one denomination. For example, the dime has had 12 - 14 distinct designs. The definition of what constitutes a design is subjective but collectors generally follow those listed in the authoritative Red Book (A Guide Book of United States Coins), which says: "A series of coins defined by a shared distinguishing design, composition, denomination, and ...
The name evolved, along with the rest of the language, from Latin to French. Solidus became soldus, then solt in the 11th century, then sol a century later. In the 18th century, the spelling of sol was adapted to sou so as to be closer to the pronunciation that had previously become the norm for several centuries.