Roberts asked his colleagues if they could think of any econometric study so well done that it had definitively settled a dispute.
Greif, however, is of an age to have first encountered the crisis of man only as a historical artefact, when it had definitively vanished over the horizon of intellectual fashion.
"The only suspect I have definitively ruled out is Mitch McConnell," he said.
As he says, I thought I had definitively disposed of that doctrine 25 years ago.
He is guilty: no question about it, his guilt, reeking to high heavens, infuriates his wife Simone, played by Jacqueline Bisset, who is burdened with her loyalty to this ageing priapic baby and by the certainty that the case, however it turns out, has definitively ruined both their lives.
After graduating from Cambridge, Redmayne favoured edgy, credible films and won an Olivier Award over here and a Tony in New York for his performance in Red, both in 2010, but it is in the past few months that it feels like he has definitively tipped.
The question that Apple has been charged with, since nobody has definitively answered it yet, is whether the lack of an invention that truly carries us beyond the last five hundred years of wrist-mounted technology is the result of a failure of imagination or simply a fact of nature — that a watch will always just be a watch, no matter how smart it might think it is.
Rush hour has definitively begun, though it proves something of a misnomer.
For me, it is a phase that this movie has definitively brought to an end.
However, no monitoring device has definitively proven its superiority in this setting.
