'Indirect demonstration' definitions:

Definition of 'Indirect demonstration'

From: GCIDE
  • Indirect \In`di*rect"\, a. [Pref. in- not + direct: cf. F. indirect.] [1913 Webster]
  • 1. Not direct; not straight or rectilinear; deviating from a direct line or course; circuitous; as, an indirect road. [1913 Webster]
  • 2. Not tending to an aim, purpose, or result by the plainest course, or by obvious means, but obliquely or consequentially; by remote means; as, an indirect accusation, attack, answer, or proposal. [1913 Webster]
  • By what bypaths and indirect, crooked ways I met this crown. --Shak. [1913 Webster]
  • 3. Not straightforward or upright; unfair; dishonest; tending to mislead or deceive. [1913 Webster]
  • Indirect dealing will be discovered one time or other. --Tillotson. [1913 Webster]
  • 4. Not resulting directly from an act or cause, but more or less remotely connected with or growing out of it; as, indirect results, damages, or claims. [1913 Webster]
  • 5. (Logic & Math.) Not reaching the end aimed at by the most plain and direct method; as, an indirect proof, demonstration, etc. [1913 Webster]
  • Indirect claims, claims for remote or consequential damage. Such claims were presented to and thrown out by the commissioners who arbitrated the damage inflicted on the United States by the Confederate States cruisers built and supplied by Great Britain.
  • Indirect demonstration, a mode of demonstration in which proof is given by showing that any other supposition involves an absurdity (reductio ad absurdum), or an impossibility; thus, one quantity may be proved equal to another by showing that it can be neither greater nor less.
  • Indirect discourse. (Gram.) See Direct discourse, under Direct.
  • Indirect evidence, evidence or testimony which is circumstantial or inferential, but without witness; -- opposed to direct evidence.
  • Indirect tax, a tax, such as customs, excises, etc., exacted directly from the merchant, but paid indirectly by the consumer in the higher price demanded for the articles of merchandise. [1913 Webster]

Definition of 'Indirect demonstration'

From: GCIDE
  • 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. [1913 Webster]
  • 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. [1913 Webster]
  • 2. An expression, as of the feelings, by outward signs; a manifestation; a show. See also sense 7 for a more specific related meaning. [1913 Webster +PJC]
  • Did your letters pierce the queen to any demonstration of grief? --Shak. [1913 Webster]
  • Loyal demonstrations toward the prince. --Prescott. [1913 Webster]
  • 3. (Anat.) The exhibition and explanation of a dissection or other anatomical preparation. [1913 Webster]
  • 4. (Mil.) a decisive exhibition of force, or a movement indicating an attack. [1913 Webster]
  • 5. (Logic) The act of proving by the syllogistic process, or the proof itself. [1913 Webster]
  • 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. [1913 Webster]
  • 7. a public gathering of people to express some sentiment or feelings by explicit means, such as picketing, parading, carrying signs or shouting, usually in favor of or opposed to some action of government or of a business. [PJC]
  • 8. the act of showing how a certain device, machine or product operates, or how a procedure is performed; -- usually done for the purpose of inducing prospective customers to buy a product; as, a demonstration of the simple operation of a microwave oven. [PJC]
  • Direct demonstration, 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 demonstration, 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. [1913 Webster]