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  2. Differential Manchester encoding - Wikipedia

    en.wikipedia.org/wiki/Differential_Manchester...

    Differential Manchester encoding (DM) is a line code in digital frequency modulation in which data and clock signals are combined to form a single two-level self-synchronizing data stream. Each data bit is encoded by a presence or absence of signal level transition in the middle of the bit period, followed by the mandatory level transition at ...

  3. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. Please help improve this article by introducing more precise citations. (September 2023) (Learn how and when to remove this message)

  4. 4-10-0 - Wikipedia

    en.wikipedia.org/wiki/4-10-0

    Under the Whyte notation for the classification of steam locomotives, 4-10-0 represents the wheel arrangement of four leading wheels, ten powered and coupled driving wheels, and no trailing wheels. Central Pacific Railroad 's El Gobernador , built in 1883, was the only locomotive with this wheel arrangement to operate in the United States.

  5. Deontic logic - Wikipedia

    en.wikipedia.org/wiki/Deontic_logic

    For example, by using a subscript for agent , means that "It is an obligation for agent (to bring it about/make it happen) that ". Note that A {\displaystyle A} could be stated as an action by another agent; One example is "It is an obligation for Adam that Bob doesn't crash the car", which would be represented as O A d a m B {\displaystyle O ...

  6. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    The [main] field of the drawing, as opposed to other areas of it, such as the parts list , general notes (G/N), flagnotes , title block , rev block , bill of materials (B/M or BoM or BOM), or list of materials . Rationales for drawing changes that are noted in the rev block often use these abbreviations for brevity (e.g., "DIM 14.00 was 12.50 ...

  7. Natural deduction - Wikipedia

    en.wikipedia.org/wiki/Natural_deduction

    In the rest of this article, the : categorization notation will be used for any Gentzen-notation statements defining the language's grammar; any other statements in Gentzen notation will be inferences, asserting that a sequent follows rather than that an expression is a well-formed formula.

  8. Quantifier (logic) - Wikipedia

    en.wikipedia.org/wiki/Quantifier_(logic)

    Peirce's notation can be found in the writings of Ernst Schröder, Leopold Loewenheim, Thoralf Skolem, and Polish logicians into the 1950s. Most notably, it is the notation of Kurt Gödel's landmark 1930 paper on the completeness of first-order logic, and 1931 paper on the incompleteness of Peano arithmetic.

  9. Message sequence chart - Wikipedia

    en.wikipedia.org/wiki/Message_Sequence_Chart

    A message sequence chart (or MSC) is an interaction diagram from the SDL family standardized by the International Telecommunication Union. The purpose of recommending MSC (Message Sequence Chart) is to provide a trace language for the specification and description of the communication behaviour of system components and their environment by ...