Dictionary > Demonstration

Demonstration

Demonstration
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. (Science: anatomy) 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. (Science: logic) The act of proving by the syllogistic process, or the proof itself.
6. (Science: mathematics) 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.
(Science: logic) direct, or positive, demonstration, 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 i
3c8
ncorrect.
Origin: L. Demonstratio: cf. F. Demonstration.


You will also like...

Genetics and Evolution
Genetics and Evolution

Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

Still freshwater and plants
Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

Biological Energy
ATP & ADP – Biological Energy

ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

Freshwater aquatic plankton
Freshwater Communities & Plankton

Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..

Gene Pool and Speciation
The Gene Pool and Population Genetics

According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..

genes controlling growth and development
Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..