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2. Function (mathematics) - Wikipedia

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

   If the domain of definition equals X, one often says that the partial function is a total function. In several areas of mathematics the term "function" refers to partial functions rather than to ordinary functions. This is typically the case when functions may be specified in a way that makes difficult or even impossible to determine their domain.

3. Social choice theory - Wikipedia

   en.wikipedia.org/wiki/Social_choice_theory

   Social choice studies the behavior of different mathematical procedures (social welfare functions) used to combine individual preferences into a coherent whole. [ 2 ] [ 3 ] [ 4 ] It contrasts with political science in that it is a normative field that studies how a society can make good decisions, whereas political science is a descriptive ...

4. National Assessment of Educational Progress - Wikipedia

   en.wikipedia.org/wiki/National_Assessment_of...

   Interpretation of NAEP results has been difficult: NAEP's category of "proficient" on a reading test given to fourth graders reflects students who do well on the test and are at seventh grade level. [24] NAEP's category of "proficient" on a math test given to eighth graders reflects students who do well on the test and are at twelfth grade ...

5. Function notation - Wikipedia

   en.wikipedia.org/?title=Function_notation&...

   This page was last edited on 23 March 2009, at 06:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...

6. Mathematical notation - Wikipedia

   en.wikipedia.org/wiki/Mathematical_notation

   Mathematical notation consists of using symbols for representing operations, unspecified numbers, relations, and any other mathematical objects and assembling them into expressions and formulas. Mathematical notation is widely used in mathematics , science , and engineering for representing complex concepts and properties in a concise ...

7. Off-duty NYPD cop arrested for rape, strangulation in ... - AOL

   www.aol.com/off-duty-nypd-cop-arrested-183617004...

   An off-duty New York City cop has been arrested for allegedly raping and strangling someone close to him, sources told The Post Saturday. Samuel Sierra, 35, was arrested around 7:20 p.m. Friday ...

8. WHO chief released from hospital in Rio de Janeiro - AOL

   www.aol.com/news/chief-hospitalized-rio-janeiro...

   World Health Organization chief Tedros Adhanom Ghebreyesus has been released from Rio de Janeiro's Hospital Samaritano Barra da Tijuca after spending the night under observation, the hospital said.

9. List of set identities and relations - Wikipedia

   en.wikipedia.org/wiki/List_of_set_identities_and...

   In constructive mathematics, "not empty" and "inhabited" are not equivalent: every inhabited set is not empty but the converse is not always guaranteed; that is, in constructive mathematics, a set that is not empty (where by definition, "is empty" means that the statement () is true) might not have an inhabitant (which is an such that ).