The phrase "a rational one" is correct and usable in written English.
It can be used to refer to a decision, thought, or argument that is logical and reasonable.
Example: "After considering all the options, I believe that choosing the most cost-effective solution is a rational one."
Alternatives: "a logical choice" or "a sensible option."
It is clearly not an easy life – although the programme does tend to err on the bucolic side – but it is a rational one and the Scottish countryside looks, against the horrors playing out elsewhere, like a very Eden.
Then you write another list, a rational one".
(Intentionalism is not a psychological thesis, but a rational one).
Second, managers should understand that engagement is fundamentally an emotional response, not a rational one.
"He made the decision," Mr. Lustberg said, "and it's a rational one, that New York might not be the optimal place to try the case.
Nick Clegg has said that pro-Europeans should make an emotional case for Britain's membership of the EU, not just a rational one.
Cauer was interested in finding the necessary and sufficient condition for realisability of a rational one-port network from its polynomial function, a condition now known to be a positive-real function, and the reverse problem of which networks were equivalent, that is, had the same polynomial function.
Miller is, above all, a rational filmmaker — a supremely rational one, whose mighty set pieces have the intricately interlocked construction of a Rube Goldberg contraption set to the speed of a Road Runner cartoon.
The elephant is essentially an Ashkenazi animal, but a wholly rational one — it, too, wants to live forever.
GMG's decision to explore a possible sale is therefore a completely rational one.
The results were also significant because they showed that when we "objectify" someone, we don't think they are a mindless object -- we just see the objectified person as primarily an emotional, sensual being, rather than a primarily rational one.
