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  2. Necessary - Wikipedia

    en.wikipedia.org/wiki/Necessary

    Necessity., a poem by Letitia Elizabeth Landon being part of Three Extracts from the Diary of a Week, 1837. "Necessary" (song), by Every Little Thing, 1998 A bathroom or toilet, in some languages (in English this is an archaic usage)

  3. 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 .

  4. Metaphysical necessity - Wikipedia

    en.wikipedia.org/wiki/Metaphysical_necessity

    Metaphysical necessity is contrasted with other types of necessity. For example, the philosophers of religion John Hick [2] and William L. Rowe [3] distinguished the following three: factual necessity (existential necessity): a factually necessary being is not causally dependent on any other being, while any other being is causally dependent on it.

  5. Category:Necessity - Wikipedia

    en.wikipedia.org/wiki/Category:Necessity

    Pages in category "Necessity" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. A. A posteriori necessity;

  6. Necessity is the mother of invention - Wikipedia

    en.wikipedia.org/wiki/Necessity_is_the_mother_of...

    One of the earliest recorded instances of the proverb is in one of Aesop’s Fables, “The Crow and the Pitcher” from the mid 6th century BCE. Plato's Republic says "our need will be the real creator", [5] which Jowett's 1894 translation rendered loosely as "The true creator is necessity, who is the mother of our invention."

  7. Necessity (criminal law) - Wikipedia

    en.wikipedia.org/wiki/Necessity_(criminal_law)

    Emergency law/right (nødret, nødrett) is the equivalent of necessity in Denmark and Norway.[1] [2] It is considered related to but separate from self-defence.Common legal examples of necessity includes: breaking windows and other objects in order to escape a fire, commandeering a vehicle to serve as an emergency ambulance, ignoring traffic rules while rushing a dying patient to a hospital ...

  8. Necessity good - Wikipedia

    en.wikipedia.org/wiki/Necessity_good

    In economics, a necessity good or a necessary good is a type of normal good. Necessity goods are product(s) and services that consumers will buy regardless of the changes in their income levels, therefore making these products less sensitive to income change. [ 1 ]

  9. Military necessity - Wikipedia

    en.wikipedia.org/wiki/Military_necessity

    The judgement of a field commander in battle over military necessity and proportionality is rarely subject to domestic or international legal challenge unless the methods of warfare used by the commander were illegal, as for example was the case with Radislav Krstic who was found guilty as an aider and abettor to genocide by International Criminal Tribunal for the former Yugoslavia for the ...