"demonstrate it by" is a grammatically correct and commonly used phrase in written English.
It is typically used when explaining or illustrating a concept or idea. Example: "To understand the importance of proper citation, let me demonstrate it by using a quote from a reputable source."
"Demonstrate it by formally recognizing that climate change is a threat to international peace and security," Mr. Stephen said, comparing it to nuclear proliferation or terrorism given its potential to destabilize governments and create conflict.
We will demonstrate it by using the method of variation of constants ([8, 23]).
We experimentally demonstrate it by comparing optical images with atomic force microscopy images of mica flakes on semitransparent gold.
Then starting over from the end point, they demonstrate it by the other method which is called composition.
We check and demonstrate it by recording SO2 spectra in the 1168 1169 cm–1 spectral region.
In this paper, we provide a framework for assessing sustainable land use management, and to demonstrate it by way of examples of successful implementation in the Ore Mountains region.
And he proselytizes for talent by demonstrating it, by doing it, by believing in its necessity, himself.
He demonstrated it by asking Switzer to speak to his team and stand on the sideline, so the Sooners' glorious past could be linked to their promising future.
In Weinke's case, he demonstrated it by showing up at Florida State as a 24-year-old freshman after six summers of minor league baseball.
Lopez says that Goldencents loves being bathed and demonstrates it by a long stretch of his neck.
It also demonstrates it by shimmying around the stage act that made Gypsy rich, famous, scandalous and (eventually) beloved on Broadway for the eponymous great musical.
