A number of other possible causes have been suspected, but not proven.
But your numbers still prove you wrong about many of those places being "warm."
A large number of these teachers prove to be the best teachers in the district.
The numbers do not prove that corruption directly causes poor performance.
A number of companies are proving that better, cheaper local service is not only possible but profitable.
But the large numbers proved too good to be true.
Those numbers pretty well prove someone's been lying to us.
Of course, these numbers don't prove the ads were useless.
The numbers proved them wrong however and in the first year, 54,000 passengers were carried.
His number also proved to be the limit of the series.