Sentence examples for proof has been found from inspiring English sources

No scientific proof has been found that Zika causes microcephaly, though the UN's World Health Organisation (WHO) has said a link is "strongly suspected" and has declared Zika a "public health emergency of international concern".

In a footnote, Bell added that "Since the completion of this paper such a proof has been found".

Whoever was responsible, no conclusive proof has been found.

The MZ had been proposed to harbor stem/progenitor cells originated from the Rathke's pouch from which the endocrine cells could be produced but still no clear proof has been found [5], [9].

Aleksandr Zdanovich, spokesman for the Federal Security Service, told Russian television that allegations of illicit arms sales from Russian bases in Georgia had been investigated, but that no proof had been found.

(The exploration of Crater Lake went on for about three more weeks, at the end of which strong evidence — but no proof — had been found indicating that there are thermal vents on its bottom. Further exploration is planned for this summer).

Here, proof had been found that the dry season's discharge temporarily undercut the assumed minimum discharge by up to 30%%.

When the committee's final report was released, the Times said the committee "purported to report that a two-month investigation had convinced it that General Butler's story of a Fascist march on Washington was alarmingly true" and "... also alleged that definite proof had been found that the much publicized Fascist march on Washington, which was to have been led by Major.

The logic of uni-conclusion proofs has been found in (Krupski 1997).

Many other proofs have been found and some of them were stunningly simple.

As far as mutualism system is concerned, lots of proofs have been found in many types of communities.