The phrase "a rational foundation" is correct and usable in written English.
It can be used when discussing the basis or reasoning behind an argument, theory, or belief that is logical and well-founded.
Example: "The scientist argued that her research was built on a rational foundation, ensuring that her conclusions were credible and reliable."
Alternatives: "a logical basis" or "a sound rationale".
Since the credibility of the Bible rests upon belief in divine revelation, theology lacks a rational foundation.
Considering they are 36 and 33 respectively, their decisions had a rational foundation, but Trapattoni can ill afford to lose anyone of such experience.
Evolutionary thinking enabled him to rescue the idea of human unity, taking it over from a religion that no longer provided it with adequate support, and put the idea of common descent on a rational foundation.
From an epistemological point of view, the question is whether such arguments can constitute a rational foundation of faith, or even give us knowledge of God.
Perhaps, then, he realizes how little can be accomplished, in the study of ethics, to provide it with a rational foundation.
The quantitative analysis of biological systems with rigorous mathematical methods is expected to accelerate the introduction of novel drugs by providing a rational foundation for the systematic development of new medical therapies.
"It's not an issue with a solid, rational foundation.
But this noble ideal assumes that human decisions have a fundamentally rational foundation, that material goods are the main measure of privilege, that an interest in egalitarianism is paramount, and these hypotheses are surely not universally accepted.
Faith might then have a purely rational foundation.
Justice for Health – founded by Dr Nadia Masood, Dr Ben White, Dr Fran Silman, Dr Amar Mashru and Dr Marie-Estella McVeigh – said Hunt's decision to impose the contract lacked a sound or rational foundation.
The goal of this work was to provide decision makers in a region with the rational foundation for their discourse to develop and implement a smart energy system.
