The phrase "a final proof of" is correct and usable in written English.
It can be used when referring to the last verification or evidence of something, often in the context of validating a claim or argument.
Example: "The study provided a final proof of the theory that climate change is accelerating."
Alternatives: "a conclusive evidence of" or "a definitive demonstration of".
As a final proof of concept, cycling in half-cell was performed and electrolyte based on LiTDBI showed perfect capacity retention.
A few weeks later we had to check and correct a final proof of the paper.
After fermentation, the dough was punched, transferred to a greased metal baking plate, and incubated at room temperature for a final proof of 45 min.
As a final proof of the presence of infiltrating HEK293-pmeLUC cells within the tumour masses, tumour homogenates were assayed for the presence of pmeLUC message (figure 3E).
As a final proof of concept, we hybridized the DNA from bulks of an F2 mapping population of a Sulfur and Selenium ionomics mutant to both the Arabidopsis ATTILE1R and ATSNPTILE arrays, which produced almost identical results.
The latter point is apparent from Table 2, where for a final proof of principle of our mathematical calculations, results of the analysis of our integration data set retrieved from two clinical SCID-X1 therapy trials [unpublished data] are given.
As a final proof for the role of Rack1 in autophagy, we have generated transgenic animals expressing Rack1 with a C-terminal FLAG-HA tag by using a DNA construct from the ongoing Drosophila proteomics project.
We found strong evidence for a final proof that inner tubes of DWCNT are capable of exhibiting PL.
The results demonstrate that precautions must be taken when antibodies toward muscarinic receptors subtypes are utilized, and the detection of positive immunolabelling is not a final proof that this subtype of receptor is localized in the tissue.
"We're still short of a final proof," says Smith, "but there are enough intriguing parallels that suggest this [gene] may be involved in the learning deficits in Down syndrome".
Mr. Nixon plays only secondary role: as a recurring symbol, and final proof, of that bankruptcy.
