provable

Mountaineers Reinhold Messner and Peter Habeler first proved that humans could climb to the top of Mount Everest without using supplemental oxygen in 1978.

Kites and darts form the basic units of another kind of Penrose tiling for which Conway proved many interesting theorems about their uncountability, pentagonal symmetry and their other connections to the golden ratio.

To prove Plato’s cubes actually appear in nature, they needed to show more than just a coincidental echo between geometry and a few handfuls of rock.

Horford, who signed a four-year, $109 million contract with the Sixers in 2019, proved to be a poor fit alongside center Joel Embiid.

Through the offseason, Smith developed physically, and during the season he proved he could match up against the conference’s best big men.

His tax returns will remain a story, too, although not a huge one until there's anything factual and provable.

Then, Bashford will consider a two-part question: what are the facts and what is provable?

Only a creditor who owns a demand or provable claim can vote at creditors' meetings.

A claim barred by the statute of limitations is not provable, nor is a contingent liability.

The latter were evidently waiting to get something provable on poor Purt.

But the leading facts of his reign are all within the limits of authentic history, and are provable by most satisfactory evidence.

The term probable means provable, not guessed at, not jumped at without reason.