What's the difference between demonstration and proof?

Demonstration


Definition:

  • (n.) The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason.
  • (n.) An expression, as of the feelings, by outward signs; a manifestation; a show.
  • (n.) The exhibition and explanation of a dissection or other anatomical preparation.
  • (n.) (Mil.) a decisive exhibition of force, or a movement indicating an attack.
  • (n.) The act of proving by the syllogistic process, or the proof itself.
  • (n.) 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.

Example Sentences:

  • (1) The Na+ ionophore, gramicidin, had a small but significant inhibitory effect on Na(+)-dependent KG uptake, demonstrating that KG uptake was not the result of an intravesicular positive Na+ diffusion potential.
  • (2) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (3) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
  • (4) Of the patients 73% demonstrated clinically normal sensibility test results within 23 days after operation.
  • (5) Lucy and Ed will combine coverage of hard and breaking news with a commitment to investigative journalism, which their track record so clearly demonstrates”.
  • (6) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
  • (7) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
  • (8) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (9) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
  • (10) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (11) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (12) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
  • (13) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
  • (14) These studies, in addition to demonstrating that the placenta contains TRH deamidase activity, suggest that losses of fetal TRH through the placenta are not large.
  • (15) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
  • (16) Western blot analysis of these mitochondria using an antibody against carnitine palmitoyltransferase II purified from beef heart demonstrates a 68-kDa protein, which under ischemic conditions apparently is decreased by 2 kDa.
  • (17) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
  • (18) In 1 of the 3, anterior capsular detachment was also demonstrated radiographically and confirmed surgically.
  • (19) This result demonstrates that branching enzyme belongs to a family of the amylolytic enzymes.
  • (20) Histological studies of nerves 2 years following irradiation demonstrated loss of axons and myelin, with a corresponding increase in endoneurial, perineurial, and epineurial connective tissue.

Proof


Definition:

  • (n.) Any effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
  • (n.) That degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments that induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
  • (n.) The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield to force; impenetrability of physical bodies.
  • (n.) Firmness of mind; stability not to be shaken.
  • (n.) A trial impression, as from type, taken for correction or examination; -- called also proof sheet.
  • (n.) A process for testing the accuracy of an operation performed. Cf. Prove, v. t., 5.
  • (v. t.) Armor of excellent or tried quality, and deemed impenetrable; properly, armor of proof.
  • (a.) Used in proving or testing; as, a proof load, or proof charge.
  • (a.) Firm or successful in resisting; as, proof against harm; waterproof; bombproof.
  • (a.) Being of a certain standard as to strength; -- said of alcoholic liquors.

Example Sentences:

  • (1) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
  • (2) Immunohistochemical insulin proofs were positive in the peritoneum over a period of 3 months and in the liver up to one year after implantation.
  • (3) Although histologic proof of regression is not available, this experience suggests a more favorable prognosis than previously thought possible.
  • (4) I never accuse a student of plagiarizing unless I have proof, almost always in the form of sources easily found by Googling a few choice phrases.
  • (5) The appearance of plasma cells suggests local maturation of B cells and represents a morphologic proof of local production of immunoglobulins.
  • (6) Sharif Mobley, 30, whose lawyers consider him to be disappeared, managed to call his wife in Philadelphia on Thursday, the first time they had spoken since February and a rare independent proof he is alive since a brief phone call with his mother in July.
  • (7) There is general agreement that suicides are likely to be undercounted, both for structural reasons (the burden-of-proof issue, the requirement that the coroner or medical examiner suspect the possibility of suicide) and for sociocultural reasons.
  • (8) At least Depay departed having had a shot on target, something his manager will probably offer as proof United are improving.
  • (9) And Pippi Longstocking, her most famous character, comes really close to being the personified proof of that… So where did Pippi come from?
  • (10) The data are presented in proof of the existence of different as well as common pathways for virus inhibiting effects of different preparations.
  • (11) Proof of the eye's potent antimicrobial environment was demonstrated.
  • (12) Agüero tried to retreive the situation – proof that City had more than enough finishers on hand to take advantage of momentary Burnley disarray – though, forced away from goal, he shot from a narrow angle and missed the target.
  • (13) These case histories, and very substantial background proof of efficacy and safety, justify treating with CoQ10 patients in failure awaiting transplantation.
  • (14) There's no doubt Twitter is, for those who are into that kind of thing, a first-class social networking medium (the proof: pretty much every other social networking site, including Facebook, has tried to buy it and, having failed, adopted a whole raft of blatantly Twitter-like features of their own).
  • (15) When the Washington Post reports a boom in bullet-proof backpacks for children, it is not a good time to be a resident of a place colloquially known as The Arms.
  • (16) Proof stress, ultimate tensile strength, elongation, and plastic stiffness have been measured and results compared by use of analyses of variance.
  • (17) Jonathan's party and the biggest opposition coalition have traded accusations about who is sponsoring and arming Boko Haram, but none have provided any proof.
  • (18) Many drugs have been proposed although the documentary proof of their efficacy varies.
  • (19) Fielding said: "He [Stewart] mentioned that on the day before the execution, when Allen was visited by his wife for the last time, they were separated by a piece of what was supposed to be bullet-proofed glass.
  • (20) He compared the situation to insider trading or corruption, in which there may not be direct proof of a criminal quid pro quo taking place, but where there is a pattern of behaviour that warrants attention.