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more about demonstration
demonstration |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Demonstration \Dem`on*stra"tion\, n. [L. demonstratio: cf F. d['e]monstration.] 1. The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason. Those intervening ideas which serve to show the agreement of any two others are called ``proofs;'' and where agreement or disagreement is by this means plainly and clearly perceived, it is called demonstration. --Locke. 2. An expression, as of the feelings, by outward signs; a manifestation; a show Did your letters pierce the queen to any demonstration of grief? --Shak. Loyal demonstrations toward the prince. --Prescott. 3. (Anat.) The exhibition and explanation of a dissection or other anatomical preparation. 4. (Mil.) a decisive exhibition of force, or a movement indicating an attack. 5. (Logic) The act of proving by the syllogistic process, or the proof itself 6. (Math.) A course of reasoning showing that a certain result is a necessary consequence of assumed premises; -- these premises being definitions, axioms, and previously established propositions. {Direct}, or {Positive}, {demonstration} (Logic & Math.), one in which the correct conclusion is the immediate sequence of reasoning from axiomatic or established premises; -- opposed to {Indirect}, or {Negative}, {demonstration} (called also {reductio ad absurdum}), in which the correct conclusion is an inference from the demonstration that any other hypothesis must be incorrect. From WordNet r 1.6 [wn]: demonstration n 1: the act of presenting something "he gave the customer a demonstration" [syn: {presentation}, {presentment}] 2: a show of military force or preparedness; "he confused the enemy with feints and demonstrations" 3: a public display of group feelings; "there were violent demonstrations against the war" 4: proof of a logical theorem [syn: {logical proof}] 5: a visual presentation showing how something works "the lecture was accompanied by dramatic demonstrations" [syn: {demo}]
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