demonstrational, adj.demonstrationist, n.
/dem'euhn stray"sheuhn/, n.
1. the act or circumstance of proving or being proved conclusively, as by reasoning or a show of evidence: a belief incapable of demonstration.
2. something serving as proof or supporting evidence: They sent a check as a demonstration of their concern.
3. a description or explanation, as of a process, illustrated by examples, specimens, or the like: a demonstration of methods of refining ore.
4. the act of exhibiting the operation or use of a device, machine, process, product, or the like, as to a prospective buyer.
5. an exhibition, as of feeling; display; manifestation: His demonstration of affection was embarrassing.
6. a public exhibition of the attitude of a group of persons toward a controversial issue, or other matter, made by picketing, parading, etc.
7. a show of military force or of offensive operations made to deceive an enemy.
8. Math. a logical presentation of the way in which given assumptions imply a certain result; proof.
[1325-75; ME demonstracioun < L demonstration- (s. of demonstratio, equiv. to demonstrat(us) (see DEMONSTRATE) + -ion- -ION]

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Universalium. 2010.

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  • démonstration — [ demɔ̃strasjɔ̃ ] n. f. • déb. XIIIe « action de montrer »; a remplacé demostraison; lat. demonstratio, de demonstrare → démontrer 1 ♦ (v. 1155) Opération mentale qui établit une vérité (preuve, induction). Démonstration par l absurde. ⇒ preuve.… …   Encyclopédie Universelle

  • Demonstration — Démonstration En mathématiques, une démonstration permet d établir une proposition à partir de propositions initiales, ou précédemment démontrées à partir de propositions initiales, en s appuyant sur un ensemble de règles de déduction. La… …   Wikipédia en Français

  • Demonstration — may refer to: Demonstration (people), a political rally or protest Demonstration (proof), a conclusive mathematical proof Demonstration (teaching), a method of teaching by example rather than simple explanation Demonstration (military), an attack …   Wikipedia

  • démonstration — DÉMONSTRATION. s. f. Preuve évidente et convaincante. Démonstration claire, nette, invincible, incontestable. Faire une démonstration. Faire la démonstration d une proposition. Il a trouvé la démonstration de ce problème. Démonstration… …   Dictionnaire de l'Académie Française 1798

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  • demonstration — dem‧on‧stra‧tion [ˌdemənˈstreɪʆn] noun [countable, uncountable] an act of explaining and showing how a product works or how something is done: • He gave a demonstration of how the program works. • a sales demonstration (= one done in order to… …   Financial and business terms

  • demonstration — late 14c., proof that something is true, from O.Fr. demonstration or directly from L. demonstrationem (nom. demonstratio), noun of action from pp. stem of demonstrare to point out, indicate, demonstrate, figuratively, to prove, establish, from de …   Etymology dictionary

  • demonstration — [n1] display of proof affirmation, confirmation, description, evidence, exhibition, explanation, exposition, expression, illustration, induction, manifestation, presentation, proof, show, spectacle, substantiation, test, testimony, trial,… …   New thesaurus

  • demonstration — [dem′ən strā′shən] n. [ME demonstracion < L demonstratio < demonstrare: see DEMONSTRATE] 1. the act, process, or means of making evident or proving 2. an explanation by example, experiment, etc. 3. a practical showing of how something works …   English World dictionary

  • Demonstration — (v. lat.), 1) Beweis; bes. im engeren Sinne, so v.w. Apodiktischer Beweis; 2) Vorzeigung zergliederter u. präparirter Körpertheile, mit Erklärung u. Erläuterung derselben zum anatomischen Unterricht; 3) die einem Rechtsgeschäft hinzugefügte… …   Pierer's Universal-Lexikon

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