From an evolutionary viewpoint, a function can be assigned to a DNA sequence if and only if it is possible to destroy it.
My belief is that the brand will retain its star status if and only if the ride is worth cheering about and the value is there.
As a result, I presented a plan that committed me to hitting a clear and unambiguous revenue target if and only if engineering would commit to making the upgrades on time.
We look in the mirror and wonder what it would be like if and only if we could lose 15 pounds, had a smaller nose, longer eyelashes, a bigger (or smaller) chest, longer legs, so forth.
For an hour and a half they spoke about how to solve what Icelandic President Grimsson called, "the most fundamental question of the 21st century": energy and whether there will ever be enough alternative sources of power to satisfy global demand if, and only if, the world manages to shake its addiction to oil and other fossil fuels.
According to Halperin, the United States is justified in its intervention if, and only if, these principles have been met.
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The public sector pays if, and only if, the intervention is successful.
It is a journey which the voters will re-join him on if, and only if, they believe he has learnt from his mistakes.
This will indeed accomplish our goal over time if, and only if, across the entire private sector institutions and individuals alike reset goals and values.
The Macedonian government, headed by Slavs in coalition with Albanians, has told the West that it can hold the lid on ethnic tensions if, and only if, western aid keeps rolling in.
If, and only if, the amount of money Medicare spends per person goes up faster than the consumer price index, the panel will make recommendations to Congress on how to get Medicare to spend less.
The stakes are too high to continue to hypothesis that if only teachers taught better and if only schools were more positive and less punitive, then education would be great or no student would be left behind.
Peter, I believe we share a pretty big page since I do in fact believe the middle class will survive only if greed is tempered with accountability and only if we fund the programs necessary to build men and women who have a strong sense of their value because their education, training and experience has made them valuable.
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Companies can use a short form--which simply identifies the plant and the chemical found there--only if they release less than 500 pounds of just one chemical and only if that chemical is not considered one of the most hazardous substances.
And the administration agreed to give waivers to those governors and others only if they had a credible plan to increase employment by 20 percent and they could keep the waivers only if they did increase employment.
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Obama announced new "presidential policy guidelines" last week on the standards his administration has been using when deciding to launch lethal strikes, including a guideline to strike a target only if it presents an "imminent threat" to U.S. national security and only if the target cannot be captured.
In October, the full NCAA board will decide whether to formally adopt the proposed new anti-violence rules, and even if they do, they will only succeed if advocates nationwide are vocal and persistent about demanding that Emmert take a similarly strong stand against all sexual violence, not only scandals that rise to a level of virtual child sex trafficking.
What if the high-tech stuff makes for a great car--only if and when it works?
If a bridge or airport or some other infrastructure is going to be built, and only if it makes sense to build it in the first place, it is far better to do it when unemployment is 10% than when it is 1%.
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Before: You could only tag someone if you were friends with them, and you could only tag a Page if you had liked it.
We started this project to give freedom and independence to the blind -- and if only a few could afford the vehicle, what good would it be?
That was followed by the explosive growth of available mutual funds by which investors could swap an entire portfolio with just one phone call, and later just a click of a computer mouse, with no transaction cost if handled directly with the mutual fund, and only one small commission if handled through a discount broker.
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And even if only a handful of the new interactions it throws up are real and useful, it will have been a worthwhile exercise.
The result is one part soulful ballad and one part philosophical dilemma: If he and only he is responsible for his freedom, then why the hesitation?
If developers grow dependent on third party development libraries and tools, they can only take advantage of platform enhancements if and when the third party chooses to adopt the new features.
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Thus, rather than placing a heavy regulatory burden on firms and banks at all times, we need to think of actions we would like regulators to take only if and when market forces begin to weaken, like more stringent disclosure to the public.
If overseas demand and government spending wane, the only way the economy can keep growing is if home builders and buyers, auto makers and buyers, shoppers and CEOs pick up the pace of spending and investment.
If the customer accepts the free trial it is added to their invoice and only mentioned again if the customer says something.
And if the buyer thinks he is sitting in a cheap car, he will buy only if rewarded with low prices and big incentives.
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