"the rationale for which" is correct and usable in written English.
It is typically used to introduce or explain the reason or justification for something previously mentioned. Example: The company implemented a new policy for remote work, the rationale for which was to increase productivity and employee satisfaction.
This appears to be an adaptation for locomotion, the rationale for which is not fully understood at present.
There was also a QT train and QB train and even a short-lived NX train, the rationale for which no riders ever seemed to have grasped.
They ended, rather abruptly, when I published my first book, The Tragedy of Zionism, the rationale for which he could not really understand, and which I was too young and tangled to fully explain.
But he did get the green light for improved safeguarding of nuclear materials and research into hydrogen-powered cars, the rationale for which Abraham explained eloquently in our pages (see: "Emissions-Free Politics").
To overcome concerns about both reverse causality and confounding, an increasing number of studies have examined the influence of telomere-related genes on disease risk, the rationale for which is considered more fully below.
There are four phases in PARADIGM-HF, the rationale for which has been explained previously: (i) screening, (ii) single-blind enalapril run-in, (iii) single-blind LCZ696 run-in, and (iv) randomized, double-blind, treatment.
That was also the rationale for LSC, which was created in 1974 as a nonprofit corporation to serve the poor and bills itself as "America's partner for equal justice".
These embody the rationale for learning, which is elsewise typically based solely on the authority of the instructor (or, by default, a textbook).
There is discussion of the development of the rationale for MPD, which they argue came from concerns within society about the over intervention in the terminal phases of disease and abandonment by the medical profession of the dying.
"You're absolutely right that we don't do a proper record on the street which details the rationale for the search, which piece of legislation was used, the officer's name and details," Mawson said.
But if states' rights are as negotiable as they appeared to be in 2000, then so is the rationale for the Electoral College, which rests on them.
