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Proven in sentence

692 examples of Proven in a sentence

Neither presidential (the prime minister is accountable to the National Assembly, whereas there is no accountability in a presidential regime) nor parliamentary (the president is elected by direct suffrage and has significant power), the system has seen increasing periods of “cohabitation,” which has generally proven inefficient.
Miscarriages, if proven to be self-induced, can even lead to homicide convictions.
Roughly $54 million in IDB loans for water infrastructure in Haiti, home to literally the world’s worst water, offered a proven path to preventing deadly water-borne diseases.
For those women in India who have proven themselves to be effective leaders in all segments of society, it would be wonderful if she can demonstrate early on that she has the intellectual and professional gravitas that befits the position.
Secretary-General Annan has proven once again (as though we needed further evidence) that talk is cheap.
It was based on the bogus "precautionary principle" which dictates that every new technology--including, in the case of GM, an improvement over less precise technologies--must be proven utterly safe before it can be used.
But Trump has proven deficient in terms of self-control, leaving him unable to move toward the center for the general election.
He has proven to be one of America’s least knowledgeable presidents when it comes to science – and one of the most ready to turn science into a political issue.
Given the stakes, continuing to rely on proven approaches, even while trying to promote a world with fewer and safer nuclear weapons, is a judicious strategy.
As the sovereign-debt crisis has proven, the euro requires mechanisms to confront asymmetrical shocks, which implies the creation of a common treasury.
Whereas the inquisitorial model presumes that fraud is rampant, but often undetected, the accusatorial model adopts a less paranoid stance, presuming that researchers are innocent until proven otherwise.
Central banks around the world have been enormously successful by choosing technocrats and people with proven knowledge and experience to head their institutions, rather than accepting purely political appointments.
Climate policies so far have proven to be extremely costly ways of helping very little – and very far in the future.
The US Department of Energy estimates that such methods could make 67 billion barrels of oil – three times the volume of proven US oil reserves – economically recoverable.
But there is no proven way to measure the pace of their implementation.
The challenge has proven particularly severe, if not fatal, for those facing intense competition from entrants able to combine disruptive content and big platforms – the most notable examples being Amazon, Facebook, Google, Netflix, and Uber.
With respect to the first consideration, Ghebreyesus has a proven track record of success.
Neither the US public nor Congress has proven willing to invest seriously in the instruments of nation building and governance as opposed to military force.
The Constituent Assembly approach has, so far, proven to be very effective in helping these new caudillos to consolidate their power.
And, in fact, a proven technology exists that could go a long way toward reducing the impact of drought: genetic engineering (GE).
A world in which the US has a proven record of honoring the trust that is required of it to play the role of global economic hegemon is a much better world for the US than one in which it is not trusted.
Finally, we must continue to encourage countries in the region to increase vaccine coverage rates, in particular with newer vaccines proven to protect against pneumonia and diarrhea, the two leading infectious killers of children.
Vaccines are a proven tool for improving children’s health and development.
Though causality has yet to be proven, given the limited number of data points, this correlation should not be taken lightly, especially with wealth and income inequality at historically high levels.
And it has proven difficult to enforce regulations requiring self-employed workers to put money aside in their own accounts.
It will also take longer to validate a PARP inhibitor for use as a prophylactic treatment, because the treatment cannot be proven effective in a short time.
Until the crisis hit last year, the enlargement had proven to be a profitable business for Old Europe: high growth rates in most of New Europe injected energy into Old Europe’s sagging economies, much to the surprise of those who had predicted that enlargement would become an economic millstone around the neck of the established member states.
What is truly wonderful is how much of nature, including the fundamental features of life, has already proven to be explainable.
In other parts of the world, capital markets have proven to be effective intermediaries in allocating savings and other funds to national development priorities.
Existing institutions with proven track records, such as the Arab Fund, can help, but this requires scaling up their funds dramatically.
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