demonstration

Definitions

1. 1.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.
2. 2.(Anat.) The exhibition and explanation of a dissection or other anatomical preparation.
3. 3.(Mil.) a decisive exhibition of force, or a movement indicating an attack.
4. 4.(Logic) The act of proving by the syllogistic process, or the proof itself.
5. 5.(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.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

Related questions

• What does "demonstration" mean?

Reverse-dictionary questions

Definition-first questions whose answer is demonstration.

• What is 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 called?
• What is the exhibition and explanation of a dissection or other anatomical preparation called?
• What is a decisive exhibition of force, or a movement indicating an attack called?
• What is the act of proving by the syllogistic process, or the proof itself called?