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  2. Rules of origin - Wikipedia

    en.wikipedia.org/wiki/Rules_of_origin

    Rules of origin are the rules to attribute a country of origin to a product in order to determine its "economic nationality". [1] The need to establish rules of origin stems from the fact that the implementation of trade policy measures, such as tariffs, quotas, trade remedies, in various cases, depends on the country of origin of the product at hand.

  3. Certificate of origin - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_origin

    To be specific, non-preferential certificate of origin is used within the WTO framework for most-favored-nation treatment as provided for in Article 1.2 of the Agreement on Rules of Origin. [13] The words "preferential" and "non-preferential" in the Agreement does cause certain confusion.

  4. Diagonal cumulation - Wikipedia

    en.wikipedia.org/wiki/Diagonal_cumulation

    Diagonal cumulation is a rules of origin (RoO) provision in international trade whereby products from one country of origin can have value added to it in another as if it were native to that country. It includes the provisions from bilateral cumulation and exists between countries with identical cumulation provisions, even if they are in ...

  5. List of rules of inference - Wikipedia

    en.wikipedia.org/wiki/List_of_rules_of_inference

    Each logic operator can be used in an assertion about variables and operations, showing a basic rule of inference. Examples: The column-14 operator (OR), shows Addition rule: when p=T (the hypothesis selects the first two lines of the table), we see (at column-14) that p∨q=T.

  6. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ranking of the operations.

  7. Trade preference - Wikipedia

    en.wikipedia.org/wiki/Trade_Preference

    A preferential certificate of origin is a document attesting that goods in a particular shipment are of a certain origin under the definitions of a particular bilateral or multilateral trading agreement. [3]

  8. Image (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Image_(mathematics)

    In mathematics, for a function :, the image of an input value is the single output value produced by when passed . The preimage of an output value y {\displaystyle y} is the set of input values that produce y {\displaystyle y} .

  9. Scale-free network - Wikipedia

    en.wikipedia.org/wiki/Scale-free_network

    UPA model is a variant of the preferential attachment model (proposed by Pachon et al.) which takes into account two different attachment rules: a preferential attachment mechanism (with probability 1−p) that stresses the rich get richer system, and a uniform choice (with probability p) for the most recent nodes. This modification is ...