The case may establish whether they have now found convincing proof of that.

ECONOMIST: The imbroglio over a cash-stuffed suitcase

But others held it up as convincing proof of the notion that the world's oil production would soon reach a pinnacle, never to be exceeded.

ECONOMIST: Face value

The question here is whether the proof has gotten more convincing.

FORBES: Avandia On Trial

Plaintiffs will be hard pressed to present sufficient proof to make a convincing argument on this point, which is likely the main reason that NFL member clubs have been kept out the majority complaints that have been filed.

FORBES: Why Most NFL Teams And The NFLPA Have Escaped Being Named Defendants In NFL Concussion Litigation

Prosecutors said that they had found no convincing evidence "corroborating the testimony of the protected witnesses and no proof whatsoever which would confirm the allegations made by Jennifer and Mateo".

BBC: Mexico drops drug link charges against General Angeles

Prof Nucciarelli's proof that this fragment belongs to the lost masterpiece of Pinturicchio looks very convincing.

BBC: NEWS | Europe | Fresco fragment revives Papal scandal