The phrase "alone proof" is not correct and does not convey a clear meaning in written English.
It may be intended to express that something is sufficient by itself as evidence, but the phrasing is awkward and unclear.
Example: "The document serves as alone proof of his identity." (This should be rephrased for clarity.)
Alternatives: "sufficient proof" or "proof by itself".
"As the court notes in its decision, almost all of the evidence viewed either independently or collectively does not support a finding of probable cause -- let alone proof beyond a reasonable doubt, the test to be applied at trial," the statement said.
A few other compounds to combat XDR-TB are in clinical trials, but they still must pass safety hurdles--let alone proof of efficacy--that meropenem and clavulanate have already cleared.
There was not even an allegation by the prosecution that any particular video played by Al Jazeera had been doctored, let alone proof that it was so.
He pointed out that research on the drug is currently so scant that there's no definitive evidence different strains have different effects, let alone proof that weed is effective in treating any specific medical condition.
The fact that they've been here since ancient Greece and used for the same reasons today is alone proof that squares are essential to urban life and have "stood the test of time," to quote Michael Kimmelman, who wrote one of the book's three introductions (on culture, geopolitics and history).
This requirement also presents an obstacle in the protection of victims of trafficking, many of whom may not be able to provide immigration documentation, let alone proof of residence in a particular area.
Perhaps this museum's popularity alone is proof of a new Berlin in the making.
Our dangerously growing state debt burden alone is proof enough of that.
The actions of western governments' intervening to prop up their own economies is alone surely proof of the bankruptcy of these policies.
"The police court reports in the newspapers are alone sufficient proof of the harm done by 'penny dreadfuls'," asserted Alfred Harmsworth, future owner of the Daily Mail, as he launched a new boys' title, the Halfpenny Marvel, in 1893.
Clegg won a rare laugh when he said his two rivals' insistence that they could govern alone was proof that the two of them needed to "lie down in a darkened room".
