"evidence to demonstrate" is correct and usable in written English.
It is used to indicate that something is being presented as evidence or proof of another statement. For example: Scientists presented evidence to demonstrate that global climate change is occurring.
It said Unilever had provided evidence to demonstrate that the bag had "greater brewing efficiency".
In fact, there's a growing body of evidence to demonstrate that stock analysis is as screwed up as ever.
It is right that taxpayers' money is used on treatments that have evidence to demonstrate their benefits.
Arnold said the legal team is gathering evidence to demonstrate that the occupation was a "peaceful protest".
It is important to have evidence to demonstrate the difference the change will make in people's lives, so do your research.
The report does supply a data point for diagnosticians of cultural decline intent on marshalling evidence to demonstrate the coarsening of the culture.
I mean, not only was she incredibly smart, as I think there's plenty of evidence to demonstrate, but she was... very steady and mature.
But he marshals plenty of evidence to demonstrate that Andy Kaufman's conceptual comedy was the product not of instability but of careful thought, hard work and talent.
However, we still don't have enough evidence to demonstrate a strong link between any specific food type and a person's breast cancer returning.
They stressed that with a sample size of one elite double-amputee — Pistorius — there was not enough evidence to demonstrate that the Cheetahs offered an advantage.
However, there is insufficient evidence to demonstrate significant social interaction within the group, or widespread support for or involvement in the political processes".
