The phrase "a clear proof of" is correct and usable in written English.
It can be used when you want to indicate that something serves as an obvious or undeniable evidence of a particular fact or situation.
Example: "The results of the experiment provide a clear proof of the theory's validity."
Alternatives: "a definitive evidence of" or "an unmistakable indication of".
Graham McGeown at Queen's University, Belfast, said the work was a clear "proof of principle" for an important new treatment for cataracts in children.
"Malik Bendjelloul was one of our most exciting film makers, which the Oscar award last year was a clear proof of".
Thus, the present results give a clear proof of what was so far an hypothesis.
Our findings provide a clear proof of concept for AON allele-specific silencing as a therapeutic approach for COL6-CMD.
The early success of Appier in driving superior conversions and performance for their clients is a clear proof of their capabilites.
This will illustrate the significance and accuracy of our average T0 to average T4 superimpositions and serve as a clear proof of methods. .
Then, since, as Nagel says, we can build an enminded system out of "any matter", mind must be associated with matter in general and in its most fundamental forms (whatever these may be as eventually revealed by physics).[9] The argument appears to suffer from the lack of a clear proof that a more radical form of emergentism than the epistemological variety countenanced by Nagel is impossible.
The clade containing all the murine MHC molecules, class Ia, M3 and CD94L also provides a further clear proof of the intra-species homogenisation of the α3 domains, although, in this latter case, the H2-Dd molecule clusters with the rat MHC class Ia sequences rather than with those of other mouse class Ia.
We would contend that weight loss without clear proof-of-mechanism would be an unsatisfactory, although clearly not untenable, position for a centrally acting agent.
There is clear proof-of-principle that therapeutic targeting of the regulation of a virulence mechanism can prevent disease by a pathogen [ 41].
Both of these studies are interesting, but due to their clear proof-of-concept status, presented potential problems which are worth considering in detail, as they are general enough to be applicable to other situations.
