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A Kleene algebra is a set A together with two binary operations + : A × A → A and · : A × A → A and one function * : A → A, written as a + b, ab and a* respectively, so that the following axioms are satisfied. Identity elements for + and ·: There exists an element 0 in A such that for all a in A: a + 0 = 0 + a = a.
Kleene star. In mathematical logic and computer science, the Kleene star (or Kleene operator or Kleene closure) is a unary operation, either on sets of strings or on sets of symbols or characters. In mathematics, it is more commonly known as the free monoid construction. The application of the Kleene star to a set is written as .
K factor (traffic engineering) In transportation engineering, the K factor is defined as the proportion of annual average daily traffic occurring in an hour. [1] This factor is used for designing and analyzing the flow of traffic on highways. K factors must be calculated at a continuous count station, usually an "automatic traffic recorder ...
The original title was The Twelve Steps: An Interpretation of the Twelve Steps of the Alcoholics Anonymous Program. It was endorsed by AA co-founder Dr. Bob as a companion to The Big Book. [1] The title later became The Little Red Book with the 5th printing in 1949. [2] There are three separate versions: The Little Red Book by Anonymous, 1946 ...
The Federal Bridge Gross Weight Formula, also known as Bridge Formula B or the Federal Bridge Formula, is a mathematical formula in use in the United States by truck drivers and Department of Transportation (DOT) officials to determine the appropriate maximum gross weight for a commercial motor vehicle (CMV) based on axle number and spacing.
A ship seen to be on a constant bearing with decreasing range will collide with the observer's ship unless avoiding action is taken. Constant bearing, decreasing range (CBDR) is a term in navigation which means that some object, usually another ship viewed from the deck or bridge of one's own ship, is getting closer but maintaining the same ...
Annual average daily traffic. Annual average daily traffic, abbreviated AADT, is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a year divided by 365 days. AADT is a simple, but useful, measurement of ...
AA Limited, trading as The AA (formerly AA plc), is a British motoring association. Founded in 1905, it provides vehicle insurance, driving lessons, breakdown cover, loans, motoring advice, road maps and other services. The association demutualised in 1999, to become a private limited company, and from 2014 a public limited company (PLC).
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