Search results
Results from the WOW.Com Content Network
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 .
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) An economic need enunciated by US President Franklin D. Roosevelt in his 1944 Second Bill of Rights
The connection of mother and necessity is documented in Latin and in English in the 16th century: William Horman quoted the Latin phrase Mater artium necessitas ("The mother of invention is necessity") in 1519; [7] [page needed] Roger Ascham said "Necessitie, the inventour of all goodnesse" in 1545.
Modal logic is a kind of logic used to represent statements about necessity and possibility.It plays a major role in philosophy and related fields as a tool for understanding concepts such as knowledge, obligation, and causation.
A need is dissatisfaction at a point of time and in a given context. Needs are distinguished from wants.In the case of a need, a deficiency causes a clear adverse outcome: a dysfunction or death.
A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
Kripke's main goals in this first lecture are to explain and critique the existing philosophical opinions on the way that names work. In the mid-20th century, the most significant philosophical theory about the nature of names and naming was a theory of Gottlob Frege's that had been developed by Bertrand Russell, the descriptivist theory of names, which was sometimes known as the 'Frege ...
The length should conform to readers' expectations of a short, but useful and complete, summary of the topic. Few well-written leads will be shorter than about 100 words. The leads in most featured articles contain about 250 to 400 words. Lead sections that reflect or expand on sections in other articles are discussed at Summary style.