The phrase "a plan to demonstrate" is correct and usable in written English.
You can use it when discussing a strategy or intention to show or prove something, often in a formal or structured context.
Example: "The team developed a plan to demonstrate the effectiveness of the new marketing strategy during the upcoming presentation."
Alternatives: "a strategy to showcase" or "a proposal to illustrate".
But even if you are self-financing your operation, it's a really good idea to have at least an outline of a plan, to demonstrate the feasibility of your idea.
In Boulder, for example, Xcel is encouraging consumers to install solar panels on their roofs and banks of batteries in their basements part of a plan to demonstrate how the variable power produced by thousands or millions of solar roofs could be stored in individual homes and fed into the grid when needed.
The anticorruption activist Yelena A. Panfilova wrote later Sunday night that the protest had two flanks — a "huge, beautiful mass of people" who simply wanted to protest, and another which "had a plan to demonstrate their strength, that they can do whatever they think was necessary".
To assist the bankers in this mission, Bush-appointed SEC chairman Harvey Pitt waived certain regulations, allowing corporate executives to prop up their share prices as part of a plan to demonstrate national strength by elevating market levels.
Contestants must develop a business plan to demonstrate how this might be done in a specific rural environment and must demonstrate the potential for scale-up to thousands of units.
Some Republicans say they believe Mr. Boehner's failed bill was part of a grand plan to demonstrate to his members, once again, that if they do not follow his path, a much rockier one will follow.
It was a two-track plan to demonstrate the company's skill at air navigation while navigating a federal bureaucracy in pursuit of more business.
Finally, we present a model contingency plan to demonstrate how all newly introduced concepts integrate together.
The scrimmage lost to the college players was a fix, part of Coach Chuck Daly's plan to demonstrate to a team loaded with 11 future basketball Hall of Famers that they could lose in international competition.
That said, there may be a new record before the year's end: in December, researchers at Ohio University plan to demonstrate a 10,000-node sensor "fence" around ten square kilometres of corn fields, for the American military.
Throughout the day, organizers said, participants plan to demonstrate outside a variety of institutions, including a Bank of America finance round table planned the morning of Aug. 31 at Tavern on the Green and several corporations they see as contributing to the Bush administration's foreign policies or profiting from them.
