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  2. Necessary and Proper Clause - Wikipedia

    en.wikipedia.org/wiki/Necessary_and_Proper_Clause

    The Necessary and Proper Clause, also known as the Elastic Clause, [1] is a clause in Article I, Section 8 of the United States Constitution: The Congress shall have Power... To make all Laws which shall be necessary and proper for carrying into Execution the foregoing Powers, and all other Powers vested by this Constitution in the Government ...

  3. Medical necessity - Wikipedia

    en.wikipedia.org/wiki/Medical_necessity

    Medical necessity is a legal doctrine in the United States related to activities that may be justified as reasonable, necessary, and/or appropriate based on evidence-based clinical standards of care. In contrast, unnecessary health care lacks such justification. Other countries may have medical doctrines or legal rules covering broadly similar ...

  4. Occam's razor - Wikipedia

    en.wikipedia.org/wiki/Occam's_razor

    3.328 "If a sign is not necessary then it is meaningless. That is the meaning of Occam's Razor." (If everything in the symbolism works as though a sign had meaning, then it has meaning.) 4.04 "In the proposition, there must be exactly as many things distinguishable as there are in the state of affairs, which it represents.

  5. Necessary evil - Wikipedia

    en.wikipedia.org/wiki/Necessary_evil

    The concept of "necessary evil" is an idea that must be thoroughly rejected. Evil is not necessary, and to accept it as such is to perpetuate it. Evil must be opposed, rejected, and avoided at all costs. It should never be viewed as something that we must unavoidably and inevitably participate in. We trivialize evil when we refer to it as ...

  6. Deem (law) - Wikipedia

    en.wikipedia.org/wiki/Deem_(law)

    Deem in law means to consider, judge, or condemn. It is also used to treat something as if it were something else or has qualities that it does not have. [1]: 477 "Deem" has been traditionally considered to be useful when it is necessary to establish a legal fiction either positively by "deeming" something to be what it is not, or negatively by "deeming" something not to be what it is.

  7. Necessary - Wikipedia

    en.wikipedia.org/wiki/Necessary

    Necessary and sufficient condition, in logic, something that is a required condition for something else to be the case; Necessary proposition, in logic, a statement about facts that is either unassailably true (tautology) or obviously false (contradiction) Metaphysical necessity, in philosophy, a truth which is true in all possible worlds

  8. Utilization management - Wikipedia

    en.wikipedia.org/wiki/Utilization_management

    Utilization management is "a set of techniques used by or on behalf of purchasers of health care benefits to manage health care costs by influencing patient care decision-making through case-by-case assessments of the appropriateness of care prior to its provision," as defined by the Institute of Medicine [1] Committee on Utilization Management by Third Parties (1989; IOM is now the National ...

  9. Necessity and sufficiency - Wikipedia

    en.wikipedia.org/wiki/Necessity_and_sufficiency

    In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements. For example, in the conditional statement: "If P then Q", Q is necessary for P, because the truth of Q is guaranteed by the truth of P.