That is, in practice, never.
However, hypotheses endemic in science are in practice such that they can never be directly checked up on.
It is a demand that, as Hegelians are willing to admit, can in practice never be met but that, nonetheless, ceaselessly makes itself felt.
Or we've never been in practice.
Her trill was precise and capable of being sustained long enough to be (as it never was in practice) a delicious menace, a show-stopper à la Selma Kurz (who would walk round the stage holding a single trilled note till on one occasion an exasperated conductor brought down his baton and the orchestra cut her off with a final chord).
"I've been in practice for 13 years and never seen an outbreak like this". Countless victims in the lower Great Plains this year have fallen prey to a bizarre, accidental predator that is not well-known to Midwesterners and not widely tracked by scientists or health officials.
"I've been in practice for 30 years, and I've never seen a spike like this," Dr. Goldstein said.
"I've been in practice for 16 years and I've never met a woman who didn't understand what pregnancy meant," she told HuffPost.
In Los Angeles, she said, "people that are in private practice in sports medicine never see anything tougher than a broken ankle". But in Pensacola's much smaller medical community, where many doctors treat emergency cases, she is called into the hospital on average once every three days.
"We have 14 ob-gyn's in our practice, and never in their life have they heard of such a thing happening outside a third-world country," Dr. Teitelbaum said.
But it's never been tested in practice, the whole meaning of living and dying".
