The phrase "a rational case to" is correct and usable in written English.
It can be used when presenting a logical argument or justification for a particular action or decision.
Example: "There is a rational case to support the implementation of renewable energy sources in our community."
Alternatives: "a logical argument for" or "a sound justification to".
Robert L. Bixby, executive director of the Concord Coalition, a nonpartisan budget watchdog group, said, "There's a rational case to be made for adding a drug benefit to Medicare as a matter of health policy".
When people purchase anything, whether it's a car, a house or a business, they often fall in love with the idea of owning it first and then start building a rational case to justify the purchase after.
There's no rational case to be made for calling an entire continent and two countries neighboring the United States "shitholes". Therefore, there's no rational argument that can defend the use of that word.
13): "It's not easy to make a rational case for buying shares that have gone up a lot unless there is some new information to justify the price rise.
But with the threats of climate change, violent weather, unconventional warfare and uncontrollable diseases lurking everywhere, it's hard to maintain a rational case against basic preparedness.
It's hard for the world's leading designer, Tom Ford, to make a rational case for his new spring clothes when corporate profits are down and anti-globalization protesters are on the march here, and even harder when some of the most beautiful women on earth have to struggle to keep their fannies covered.
Small battles matter, and, in this one, I choose to believe that somewhere in the system, a rational case has been made and heard.
And Jon Huntsman's rep, a real estate developer named Frank Levy, made such a rational case for the former governor of Utah that I allowed myself to believe he had a chance.
As I departed Lesvos the other day, I re-read my draft and realized I had been looking at the issue from an intellectual level, making a rational case about the connection between a largely uninformed public and the lack of a proper response to the crisis.
A rational case can be made that this was mistaken, or even immoral.
Bbar didn't say what he did with the money raised from selling shares, but nobody could make a rational case for that kind of disclosure.
