prove

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fend and prove

dated To argue and defend a point or opinion. I was forced to fend and prove my stance before the tribunal.
See also: and, fend, prove

The exception proves the rule.

Prov. Something that does not follow a rule shows that the rule exists. (Often used facetiously, to justify some rule you have proposed but which someone else has listed exceptions. From a Latin phrase meaning that an exception tests a rule.) Ellen: Men are always rude. Jane: But Alan's always polite. And Larry and Ted are polite, too. Ellen: They're just the exceptions that prove the rule. Bill: All the shows on TV are aimed at people with low intelligence. Alan: What about that news program you like to watch? Bill: The exception proves the rule.
See also: exception, prove, rule

prove oneself as something

to demonstrate that one can serve in a certain office or capacity. It's time to promote her. She has proved herself as a teller. I proved myself as an investor by making a lot of money in the stock market.
See also: prove

prove something to someone

to substantiate a claim about something to someone; to make someone believe or accept a statement about something. What do I have to do to prove my innocence to you? Nothing you say will prove it to me.
See also: prove

prove to be something

to be shown to be someone or something; to be found to be someone or something. Susan proved to be a good friend when she lent me some money. The food proved to be spoiled when I smelled it.
See also: prove

What does that prove?

Fig. So what?; that does not mean anything. (A defensive expression. The heaviest stress is on that. Often with so, as in the examples.) Tom: It seems that you were in the apartment the same night that it was robbed. Bob: So, what does that prove? Tom: Nothing, really. It's just something we need to keep in mind. Rachel: You're late again on your car payment. Jane: What does that prove? Rachel: Simply that you can't afford the car and we are going to repossess it.
See also: does

have something to prove

to need to show that you can succeed when people expect you to fail After two dismal seasons, the players on this team feel they have something to prove.
Usage notes: also used in the negative form have nothing to prove or not have anything to prove (to have no reason to persuade others you can succeed, because you have already succeeded): He was as famous as he wanted to be, and felt he no longer had anything to prove.
See also: have, prove

prove your mettle

(slightly formal) also show your mettle
to show that you are brave and have a strong character As a reporter, she certainly proved her mettle working in the midst of a war zone.
See also: mettle, prove

prove out something

also prove something out
to show that something is true Of the many accusations against her, only two ever proved out. I think there was better safety when there were more controls on the industry, but I don't know if the accident rates will prove that out or not.
See also: out, prove

be the exception that proves the rule

if you say something is the exception that proves the rule, you mean that although it does not support the statement you have made, the statement is usually true This woman is the exception that proves the rule that it is impossible to be a warmonger and a feminist at the same time.
See also: exception, prove, rule

prove/show your mettle

  (slightly formal)
to prove that you are good at doing something by succeeding in a difficult situation A relative newcomer to the game, he's certainly proved his mettle in the last two games.
See also: mettle, prove

exception proves the rule, the

An instance that does not obey a rule shows that the rule exists. For example, John's much shorter than average but excels at basketball-the exception proves the rule . This seemingly paradoxical phrase is the converse of the older idea that every rule has an exception. [Mid-1600s]
See also: exception, prove

prove out

Succeed, turn out well, as in Farm-raised trout has proved out so well that the fish industry plans to experiment with other species . [Mid-1900s]
See also: out, prove
References in periodicals archive ?
The platform also offers an investment system in their scheduled lotteries, and as blockchain data is used to generate winning numbers, the system is also provably fair to BTC investors.
Fortunately, they are also demonstrably and provably false.
The allegations are without foundation and demonstrably and provably false and I am completely confident that I will be fully exonerated.
Even though a number of provably such convergent algorithms have been developed, they may work well on only a subset of problems as one can see on our case study (Cotet & Dragoi, 2008).
Every time WikiLeaks publishes the truth about abuses committed by US agencies, Australian politicians chant a provably false chorus with the State Department: "You'll risk lives
Specific topics include provably correct inline monitoring for multithreaded Java-like programs, security of trusted repeater quantum key distribution networks, and exploiting cryptography for privacy-enhanced access control.
At least as to bigamy and incest, the occurrence rate is so low that prosecuting all those who are provably guilty would not overly burden the criminal justice system.
lt;p>In general, potential users of cloud services need to do a risk assessment that takes into account the importance of data to a business and the security that providers can provably deliver, the report says.
For example, advocacy websites may present information that they wish to be true as opposed to what is provably true.
In 2003, Marian Burros, noted columnist at The New York Times, wrote an editorial titled "Is Organic Food Provably Better?
a provably false representation in addition to knowledge of its falsity to make criminal mail fraud.
As long as their practice is not provably, criminally fraudulent or negligent, physicians are free to operate as their training, experience, and personal bent move them--and as their financial motives encourage them.
It seems that if our motives in carrying out any effort aren't provably pure as driven snow, the whole enterprise is condemned as rotten.
Unruh clearly accepts the existence of the interference pattern at paths 5 and 6, accepts that the setup is described by pure state density matrix, and at the same time insists on existing which way bijection, therefore his position is provably mathematically inconsistent.
It helps to show where herbal remedies may be useful and where they are provably not, all based on evidence and clinical trials.