Sentence examples for firm proof of from inspiring English sources

Critics say that the Bushes pulled rank, but there is no firm proof of this.

It just means it's difficult to find firm proof of it.

The United States claims to have firm proof of Chinese violations and China has denied the charges and lodged a protest.

American intelligence officials have ascribed two recently released audiotapes to Mr. bin Laden, but firm proof of his survival has remained elusive.

The three assistant coaches admitted that they had no firm proof of any eavesdropping, only anecdotal stories, to back their claims.

The author shows that while there was no firm proof of a slave conspiracy, whites' fears of such an apocalypse were palpable.

The increased susceptibility of post-septic animals to subsequent infectious insults either to weakly virulent pathogens or to low pathogen loads known to be innocuous in immune-competent animals provided a firm proof-of-concept of sepsis-induced immune suppression [36,37].

The increased susceptibility of post-septic animals to subsequent infectious insults either to weakly virulent pathogens or to low pathogen loads known to be innocuous in immune-competent animals provided a firm proof-of-concept of sepsis-induced immune suppression [ 36, 37].

One official cautioned that the evidence stopped short of firm proof about involvement by Mr. Zarqawi, but said the intelligence had added significantly to concern about Mr. Zarqawi.

"But he knows an unusual lot for a youth his age and his theme of not doing what he does not want to do, based ever so firmly on what he considers degrading," has given "increasingly firmer proofs of something besides mere restlessness and unreliability".

The results described in Figs 2 and 3 provide a firm proof that the simple principle of separation deduced from eq.(1) is effective for existing materials.