What's the difference between proof and theory?

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.

Theory


Definition:

  • (n.) A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation.
  • (n.) An exposition of the general or abstract principles of any science; as, the theory of music.
  • (n.) The science, as distinguished from the art; as, the theory and practice of medicine.
  • (n.) The philosophical explanation of phenomena, either physical or moral; as, Lavoisier's theory of combustion; Adam Smith's theory of moral sentiments.

Example Sentences:

  • (1) This theory was confirmed by product analysis and by measuring the affinity of the substrate for the enzyme by its inhibition of p-nitrophenyl glucoside hydrolysis.
  • (2) The position of the cyst supports the theory that branchial cysts are congenital in origin.
  • (3) It helped pay the bills and caused me to ponder on the disconnection between theory and reality.
  • (4) Implications of the theory for hypothesis testing, theory construction, and scales of measurement are considered.
  • (5) This observation, reinforced by simultaneous determinations of cortisol levels in the internal spermatic and antecubital veins, practically excluded the validity of the theory of adrenal hormonal suppression of testicular tissues.
  • (6) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
  • (7) These results are interpreted in terms of the accessory binding site theory of Ariëns, and suggest the existence of different accessory binding sites on the Ascaris GABA receptor.
  • (8) September 11 conspiracies Facebook Twitter Pinterest September 11 conspiracy theories.
  • (9) This theory is supported by a previous experimental report.
  • (10) On the assumption of a distribution in properties of the suspension according to the theory of Bruggeman, the capacitance is calculated to have a value of about one half this.5.
  • (11) These findings do not support the theory that 5-HT1C receptor activation causes migraine.
  • (12) Only one part of the theory of Alajouanine and colleagues has been confirmed by our experiments for our results have shown that there is a very close correlation between semantic paraphasias and disorders of semantic differentiation whilst no correlation can be found between phonemic paraphasias and disturbances in auditory phonemic discrimination.
  • (13) A new theory for the peculiar site selection of cholesteatomas of the external auditory canal is postulated.
  • (14) However, our theory differs in several important respects from the latter efforts.
  • (15) This paper provides an overview of the theory, indicating its contributions--such as a basis for individual psychotherapy of severe disorders and a more effective understanding of countertransference--and its shortcomings--such as lack of an explanation for the effects of physical and cognitive factors on object relatedness.
  • (16) The various theories of carpal tunnel syndrome (CTS) are reviewed.
  • (17) Comparison with values predicted from theory shows that the distribution of protein among the various cross-linked species, obtained after different extents of exposure to cross-linker, is consistent with a two-layered arrangement of subunits involving one type of interaction between subunits from different layers and another between subunits within the same layer.
  • (18) For each theory, a constraint on preformance is proposed based on interference between the "analytic" and "synthetic" pitch perception modes.
  • (19) Republican presidential hopeful Scott Walker has refused to say whether he believes in the theory of evolution, arguing that it is “a question a politician shouldn’t be involved in one way or the other”.
  • (20) These findings support the theory that plasma-membrane-cytoskeleton interactions have a role in the expression of specific immunity; the findings also identify new areas that should be considered in trying to understand the primary immunodeficiency diseases.