Proof

8 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Proof \Proof\, a.
     [1913 Webster]
     1. Used in proving or testing; as, a proof load, or proof
        charge.
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     2. Firm or successful in resisting; as, proof against harm;
        waterproof; bombproof.
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              I . . . have found thee
              Proof against all temptation.         --Milton.
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              This was a good, stout proof article of faith.
                                                    --Burke.
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     3. Being of a certain standard as to strength; -- said of
        alcoholic liquors.
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     {Proof charge} (Firearms), a charge of powder and ball,
        greater than the service charge, fired in an arm, as a gun
        or cannon, to test its strength.
  
     {Proof impression}. See under {Impression}.
  
     {Proof load} (Engin.), the greatest load than can be applied
        to a piece, as a beam, column, etc., without straining the
        piece beyond the elastic limit.
  
     {Proof sheet}. See {Proof}, n., 5.
  
     {Proof spirit} (Chem.), a strong distilled liquor, or mixture
        of alcohol and water, containing not less than a standard
        amount of alcohol. In the United States "proof spirit is
        defined by law to be that mixture of alcohol and water
        which contains one half of its volume of alcohol, the
        alcohol when at a temperature of 60[deg] Fahrenheit being
        of specific gravity 0.7939 referred to water at its
        maximum density as unity. Proof spirit has at 60[deg]
        Fahrenheit a specific gravity of 0.93353, 100 parts by
        volume of the same consisting of 50 parts of absolute
        alcohol and 53.71 parts of water," the apparent excess of
        water being due to contraction of the liquids on mixture.
        In England proof spirit is defined by Act 58, George III.,
        to be such as shall at a temperature of 51[deg] Fahrenheit
        weigh exactly the 12/13 part of an equal measure of
        distilled water. This contains 49.3 per cent by weight, or
        57.09 by volume, of alcohol. Stronger spirits, as those of
        about 60, 70, and 80 per cent of alcohol, are sometimes
        called second, third, and fourth proof spirits
        respectively.
  
     {Proof staff}, a straight-edge used by millers to test the
        flatness of a stone.
  
     {Proof stick} (Sugar Manuf.), a rod in the side of a vacuum
        pan, for testing the consistency of the sirup.
  
     {Proof text}, a passage of Scripture used to prove a
        doctrine.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Proof \Proof\, n. [OF. prove, proeve, F. preuve, fr. L. proba,
     fr. probare to prove. See {Prove}.]
     [1913 Webster]
     1. Any effort, process, or operation designed to establish or
        discover a fact or truth; an act of testing; a test; a
        trial.
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              For whatsoever mother wit or art
              Could work, he put in proof.          --Spenser.
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              You shall have many proofs to show your skill.
                                                    --Ford.
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              Formerly, a very rude mode of ascertaining the
              strength of spirits was practiced, called the proof.
                                                    --Ure.
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     2. 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.
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              I'll have some proof.                 --Shak.
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              It is no proof of a man's understanding to be able
              to confirm whatever he pleases.       --Emerson.
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     Note: Properly speaking, proof is the effect or result of
           evidence, evidence is the medium of proof. Cf.
           {Demonstration}, 1.
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     3. 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.
        [1913 Webster]
  
     4. Firmness of mind; stability not to be shaken.
        [1913 Webster]
  
     5. (Print.) A trial impression, as from type, taken for
        correction or examination; -- called also {proof sheet}.
        [1913 Webster]
  
     6. (Math.) A process for testing the accuracy of an operation
        performed. Cf. {Prove}, v. t., 5.
        [1913 Webster]
  
     7. Armor of excellent or tried quality, and deemed
        impenetrable; properly, armor of proof. [Obs.] --Shak.
        [1913 Webster]
  
     {Artist's proof}, a very early proof impression of an
        engraving, or the like; -- often distinguished by the
        artist's signature.
  
     {Proof reader}, one who reads, and marks correction in,
        proofs. See def. 5, above.
        [1913 Webster]
  
     Syn: Testimony; evidence; reason; argument; trial;
          demonstration. See {Testimony}.
          [1913 Webster]

From WordNet (r) 2.0 [wn]:

  proof
       adj : (used in combination or as a suffix) able to withstand;
             "temptation-proof"; "childproof locks" [syn: {proof(p)}]
       n 1: any factual evidence that helps to establish the truth of
            something; "if you have any proof for what you say, now
            is the time to produce it" [syn: {cogent evidence}]
       2: a formal series of statements showing that if one thing is
          true something else necessarily follows from it
       3: a measure of alcoholic strength expressed as an integer
          twice the percentage of alcohol present (by volume)
       4: (printing) an impression made to check for errors [syn: {test
          copy}, {trial impression}]
       5: a trial photographic print from a negative
       6: the act of validating; finding or testing the truth of
          something [syn: {validation}, {substantiation}]
       v 1: make or take a proof of, such as a photographic negative, an
            etching, or typeset
       2: knead to reach proper lightness; "proof dough"
       3: read for errors; "I should proofread my manuscripts" [syn: {proofread}]
       4: activate by mixing with water and sometimes sugar or milk;
          "proof yeast"
       5: make resistant to water, sound, errors, etc.; "proof the
          materials against shrinking in the dryer"

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  278 Moby Thesaurus words for "proof":
     Christophany, Ditto copy, Photostat, Satanophany, Xerox,
     Xerox copy, absolute indication, account, acid test, acquaintance,
     affirmation, airtight, ammunition, angelophany, announcement,
     appearance, argument, assay, attestation, authentication, avatar,
     backing, backing up, ballproof, basis for belief, bearing out,
     blank determination, blue, blue book, blueprint, body of evidence,
     bolstering, bombproof, briefing, bring out, brouillon, bulletin,
     bulletproof, burden of proof, burglarproof, buttressing,
     certification, chain of evidence, circumstantiation, clue,
     cold-type proof, color proof, communication, communique,
     computer proof, conclusive evidence, confirmation, contact print,
     corroboration, corroboratory evidence, corrosionproof, criterion,
     crucial test, crucible, damning evidence, dampproof, data, datum,
     deduction, deductive reasoning, demonstration, determination,
     directory, disclosure, discourse, discourse of reason,
     discursive reason, dispatch, dissemination, docimasy, document,
     documentation, embodiment, engrave, enlargement, enlightenment,
     epiphany, essay, establishment, evidence, evincement, exhibit,
     expression, fact, facts, factual information, familiarization,
     feeling out, fire-resisting, fireproof, first draft, flameproof,
     foolproof, fortification, foundry proof, galley, galley proof, gen,
     general information, get out, ground, grounds, grounds for belief,
     guidebook, handout, hard information, hectograph, hectograph copy,
     hermetic, holeproof, impenetrable, impervious, impervious to,
     impregnable, impress, impression, imprint, incarnation,
     incidental information, incontrovertible evidence, indication,
     indisputable evidence, induction, inductive reasoning, info,
     information, instruction, insulate, intelligence, ironclad proof,
     issue, item of evidence, kiteflying, knowledge, leakproof, light,
     logical thought, manifestation, mark, material grounds,
     materialization, measure, mention, message, mimeograph,
     mimeograph copy, multigraph, muniments, mute witness, negative,
     noiseproof, notice, notification, offprint, onus, onus probandi,
     ordeal, overprint, page proof, philosophy, photocopy, photograph,
     photostatic copy, piece of evidence, plate proof, pneumatophany,
     positive, premises, presentation, press proof, print, probation,
     progressive proof, promotional material, proof against,
     proof before letter, proof sheet, protective, prove, proving,
     proving out, publication, publicity, publish, pull, pull a proof,
     punctureproof, put out, put to bed, put to press, ratification,
     ratiocination, rationalism, rationality, rationalization,
     rationalizing, reason, reason to believe, reasonableness,
     reasoning, reinforcement, reissue, release, relevant fact, report,
     reprint, repro proof, resistant, revelation, revise, rough draft,
     rough sketch, run, run off, rustproof, settlement, shatterproof,
     shellproof, sidelight, sign, slip, sophistry, sounding out,
     soundproof, specious reasoning, stamp, standard, stat, statement,
     stone proof, strengthening, strike, strong, substantiation,
     support, supporting evidence, sure sign, sweet reason, symptom,
     tempered, test, test case, testament, testimonial, testimony,
     the dope, the goods, the know, the scoop, theophany, tight, token,
     touchstone, tough, transmission, trial, trial impression, try,
     undergirding, unmistakable sign, validation, vandyke, verification,
     waterproof, watertight, weatherproof, wherefore, white book,
     white paper, why, whyfor, witness, word
  
  

From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:

  proof
       
          1.  A {finite} sequence of {well-formed formula}s, F1,
          F2, ... Fn, where each Fi either is an {axiom}, or follows by
          some rule of inference from some of the previous F's, and Fn
          is the statement being proved.
       
          See also {proof theory}.
       
          2. A left-associative {natural language} {parser} by Craig
          R. Latta .  Ported to {Decstation
          3100}, {Sun-4}.
       
          {(ftp://scam.berkeley.edu/pub/src/local/proof/)}.
       
          E-mail: .  Mailing list:
          proof-requestf@xcf.berkeley.edu (Subject: add me).
       
          (1994-11-29)
       
       

From Bouvier's Law Dictionary, Revised 6th Ed (1856) [bouvier]:

  PROOF, practice. The conviction or persuasion of the mind of a judge or 
  jury, by the exhibition of evidence, of the reality of a fact alleged: as, 
  to prove, is to determine or persuade that a thing does or does not exist. 8 
  Toull. n. 2; Ayl. Parerg. 442; 2 Phil. Ev. 44, n, a. Proof is the perfection 
  of evidence, for without evidence there is no proof, although, there may be 
  evidence which does not amount to proof: for example, a man is found 
  murdered at a spot where another had been seen walking but a short time 
  before, this fact would be evidence to show that the latter was the 
  murderer, but, standing alone, would be very far from proof of it. 
       2. Ayliffe defines judicial proof to be a clear and evident declaration 
  or demonstration, of a matter which was before doubtful, conveyed in a 
  judicial manner by fit and proper arguments, and likewise by all other legal 
  methods; first, by proper arguments, such as conjectures, presumptions, 
  indicia, and other adminicular ways and means; and, secondly, by legal 
  method, or methods according to law, such as witnesses, public instruments, 
  end the like. Parerg. 442 Aso. & Man. Inst. B. 3, t. 7. 
  
  

From THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993) [devils]:

  PROOF, n.  Evidence having a shade more of plausibility than of
  unlikelihood.  The testimony of two credible witnesses as opposed to
  that of only one.
  
  

From THE DEVIL'S DICTIONARY ((C)1911 Released April 15 1993) [devils]:

  PROOF-:READER:, n.  A malefactor who atones for making your writing
  nonsense by permitting the compositor to make it unintelligible.