Sentence examples for proofs are lacking from inspiring English sources

The potential benefit of COMP in menisci may be hypothesized, but definite proofs are lacking.

His idea has drawn withering criticism from other scientists, who cite errors in his papers and say proof is lacking.

Some historians believe that Rigdon, rather than Smith, wrote the Book of Mormon, but proof is lacking.

At this point he probably wrote the treatises on military tactics that are attributed to him, although proof is lacking.

Materials and style confirm that the portrait was done in Shakespeare's time, but proof is lacking that he is its true subject.

Though many relics turn out to be forgeries, executed in modern or medieval times as demand arose, the Padua body seems more likely than most to be what it is claimed to be, although exact proof is lacking.

It's believed that they had an affair, although proof is lacking, and Russell may simply have hoped to give that impression to Morrell, who he thought was neglecting him.

On some occasions it is prudent to withhold judgment until the case is as close to watertight as possible; on others a precautionary principle means we should act even when firm proof is lacking.

While definitive proof is lacking, the dietary and behavioral changes he suggests are based on both observational and clinical studies that have linked them to a reduced risk of developing an aggressive cancer and dying of the disease.

At some point, he was alleged to have accompanied Swein on a pilgrimage to the Holy Land, but proof is lacking.

His episcopal rank makes it likely that he attended the parliaments and took part in the affairs of the kingdom during the early years of his episcopate, but direct proof is lacking.