The fact that the extension of Christian preaching to the Gentiles caused intense debate in the 40s of the 1st century is decisive proof that Jesus had given no unambiguous directive on the matter.
The results, published in the Journal of Comparative Neurology in 1984, were decisive proof that the brain can reorganize itself — at least across very short distances of one to two millimetres.
Until now, Mr. Azéma said, historians had no decisive proof that "the marshal," cherished by the French at the time, had participated in the writing of the law.
Mr. Klarsfeld, known for tracking down Gestapo leaders like Klaus Barbie, said the handwritten notes were "decisive proof" that Marshal Pétain himself was behind French anti-Jewish measures, and that he hardened the document's original language.
The texts often suggest that it was a siccative for oil, and whatever the outcome of the further experiments needed to provide decisive proof that it is effective for this purpose, the belief that it could perform this function may have been the main reason that artists used it (at least in paintings, rather than the other contexts in which this material is sometimes mentioned).
Given the fact that neither observation nor any other means of knowing (including revelation) gives a decisive proof for the existence or non-existence of a connection between a cause and its effect, we must suspend our judgment on this matter.
As representatives of the Catholic Church, they must find decisive proof of paranormal activity before taking action, and Wan (one of four credited screenwriters) has diabolical fun poring over the evidence, assembling the Warrens' case and then dismantling it all over again.
Decisive proof came, he tells me, when he approached the town's ruling Liberal Democrats on behalf of Frome's branch of the Transition Towns movement, which seeks to respond to climate change on a local level.
It follows, then, that even a decisive proof that there is an all-good, all-powerful God cannot assure us that we are ultimately safe.
(Though of course this is hardly decisive proof).
