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  2. Clean Water Rule - Wikipedia

    en.wikipedia.org/wiki/Clean_Water_Rule

    The rule, published by the Office of Surface Mining Reclamation and Enforcement on December 20, 2016 with just 31 days left in the Obama Administration's term of office, regulated mountaintop removal mining sites. [45] [46] [47] In January 2018 EPA formally suspended the 2015 WOTUS regulation and announced plans to issue a new version later in ...

  3. Law of the unconscious statistician - Wikipedia

    en.wikipedia.org/wiki/Law_of_the_unconscious...

    In probability theory and statistics, the law of the unconscious statistician, or LOTUS, is a theorem which expresses the expected value of a function g(X) of a random variable X in terms of g and the probability distribution of X. The form of the law depends on the type of random variable X in question.

  4. Order of operations - Wikipedia

    en.wikipedia.org/wiki/Order_of_operations

    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.

  5. Waters of the United States Regulatory Overreach Protection ...

    en.wikipedia.org/wiki/Waters_of_the_United...

    using the proposed rule or proposed guidance, any successor document, or any substantially similar proposed rule or guidance as the basis for any rulemaking or decision regarding the scope or enforcement of the Federal Water Pollution Control Act (commonly known as the Clean Water Act). [2]

  6. Glossary of mathematical jargon - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Depending on authors, the term "maps" or the term "functions" may be reserved for specific kinds of functions or morphisms (e.g., function as an analytic term and map as a general term). mathematics See mathematics. multivalued A "multivalued function” from a set A to a set B is a function from A to the subsets of B.

  7. Law (mathematics) - Wikipedia

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

    In mathematics, a law is a formula that is always true within a given context. [1] Laws describe a relationship , between two or more expressions or terms (which may contain variables ), usually using equality or inequality , [ 2 ] or between formulas themselves, for instance, in mathematical logic .

  8. Fusion rules - Wikipedia

    en.wikipedia.org/wiki/Fusion_rules

    The term is often used in the context of two-dimensional conformal field theory where the relevant group is generated by the Virasoro algebra, the relevant representations are the conformal families associated with a primary field and the tensor product is realized by operator product expansions. The fusion rules contain the information about ...

  9. List of mathematical abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical...

    A – adele ring or algebraic numbers. a.a.s. – asymptotically almost surely. AC – Axiom of Choice, [1] or set of absolutely continuous functions. a.c. – absolutely continuous.