Sentence examples for had never proved from inspiring English sources

When called on, the person said that Zorn had never proved Zorn's Lemma.

Rectal anesthesia had never proved satisfactory, and the first improvement on the combination of nitrous oxide, oxygen, and ether was the introduction of the general anesthetic cyclopropane by Ralph Waters of Madison, Wis., in 1933.

Unfortunately, the club changed hands shortly after Allardyce's arrival and as early results were unimpressive the new owner took the opportunity to ditch a manager who had never proved popular with fans and make their own appointment.

It said only that it had never proved that an employee accused of using countermeasures was innocent.

Myth-making has never proved so easy.

Positioning has never proved to be a problem for Clausen.

This has never proved too hard for a junior audience.

Player and anodyne opinion have never proved natural bedfellows.

Not caring well for old players has never proved particularly damaging to the league's image.

Departure from this mortal coil, meanwhile, has never proved a barrier to success in the library.

The show has never proved as popular as it did when Neil Patrick Harris was its star.