But they do not have to exist by logical necessity, nor do they constitute the default form of economic institutions.
But rare earth elements were not known to exist until a couple of hundred years ago, and only in more recent history have their unique properties been put to significant use.
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Of course there are separate and powerful arguments for letting people who know how to invest wisely keep what they make so they can make more good investments, but Americans for Tax Reform does not exist to help rich people exploit a byzantine tax code.
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Hidden in the cold legalese and legislative word-smithing is the following result: if a document could interfere with some sort of enforcement proceedings (very broadly defined by 5 U.S.C. 552 (c)), the agency does not simply deny the request for the document, but actually is instructed to act as if the document does not exist at all.
Encryption techniques exist, but not sending aglets to untrustworthy computers remains the safer bet.
But it requires these executives to see their task and themselves in a different light: corporations are not there to set strategy, but they simply exist as investment vehicles, with the senior executives as its managers.
The bottom has not been found in home prices, but it has to exist somewhere.
Whether or not they exist is to be determined, but it makes it possible.
As a group of 25, you look to not only co-exist, but (recognize) the individuality of everyone in there.
As a sign at one bar puts it, " the perfect gin tonic does not exist", but trendy Spaniards are happy to keep on trying.
The heat exchangers and pipework required to make a 10MW plant already exist, but the 100MW facility will need a pipe that is not only 1km long (in order to reach the cold water at depth) but ten metres in diameter (in order to bring enough of that cold water to the surface).
It sounded very interesting, but when I tried to follow the instructions, it said the page did not exist.
In that time there have been many challenges to overcome but we have now created a market that simply did not previously exist.
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But the tickets do not exist and out-of-pocket customers are told to use consumer legislation to get money back from their credit card companies.
Without such information, Mr. Oster might have developed a general theory, but he would not have had any way to deduce which of the possible permutations actually exist on earth.
Governments exist not simply to perpetuate themselves, their own rule, but to fulfill the aspirations of their people.
Director John Landis described Harryhausen as a "true giant of the cinema" and said his creations were "not only the stars of those movies, but the main reason for those movies to exist at all".
The organization is also calling on the FDA to set limits for arsenic in food, which currently exist for water but not food.
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He also indirectly criticises Israel for avoiding peace talks not just with Hamas, but with past leaders who did recognise Israel's right to exist.
But most back surgeries--and back surgery devices--exist to ease pain, not save lives.
So not only are we facing a fuel crisis but the entire chemical industry is likely to cease to exist.
But it is almost certainly not the case that the restriction itself is anticompetitive if it is found to exist.
It was not accurate to conclude there was a widespread problem, but apparent that areas of bad practice did exist.
The population has recovered, but the genetic diversity has not recovered so that all the Tasmanian devils that exist are so similar to one another genetically that their immune systems don't seem to be able to tell one from another.
"As a human being it is very difficult not to have sympathy for somebody that I cared about deeply, but it is also important to remember that that person that I cared about deeply did not in fact exist, " she replied.
But many new sites exist simply to foster community, or at least make people realize they are not alone.
But concerns exist over the cost of those conversions and from where the wood would come, not to mention the ultimate impact on emissions.
These contributions cover not just the benefits that employees are accruing, but also go to close any unfunded liabilities that may exist in the plan.
But if politicians are upset over conflicts of interest that may or may not exist, maybe they ought to consider their role in all this.
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