The phrase "a rigid distinction between" is correct and usable in written English.
It can be used when discussing clear and inflexible separations or differences between two or more concepts, categories, or groups.
Example: "In the debate over education reform, some argue that there is a rigid distinction between public and private schooling that needs to be reevaluated."
Alternatives: "a strict separation between" or "a clear divide between".
The dozen or so playwrights that I talked to with TV experience generally shared this skepticism about a rigid distinction between art and commerce.
The great buildings of the Classical age had been predominantly religious; those of the Hellenistic age were predominantly secular, though it will not do in the ancient world to make a rigid distinction between the two.
In the most successful relationships, there is not a rigid distinction between roles; formal recommendations should contain no surprises if the client helps develop them and the consultant is concerned with their implementation.
We propose to supplement the hierarchical architecture of the model with two procedural rules (top-down and depth-first), which in conjunction with a rigid distinction between restriction and predication in underlying clause structures account for these intricacies.
This is because the acceptance of Darwin's theory of evolution was at the expense of the ideas of the French philosopher René Descartes, who held that there is a rigid distinction between man, who has a soul and can think and speak rationally, and all other animals, who are mere automatons.
The following year he was stripped of both medals when it was discovered that, in his youth, he had once been paid for playing baseball.The reasoning was simple: money would corrupt sport's purity, so there must be a rigid distinction between amateur sport, played by "gentlemen" for the sheer love of the game, and professional sport.
We will discuss later whether Mr Piketty relies too heavily on an inappropriately rigid distinction between the two.But here's the broad point: over the last 300 years, economic growth has been roughly half attributable to growth in population and half attributable to growth in productivity.
Sharply distinguishing between these categories of disputes, Montana argues, runs counter to case precedent, which has not honored such a rigid distinction.
But the economy is too interconnected to draw such a rigid distinction.
The sculptural feats, which took almost two years to complete, collapse any rigid distinctions between power and play, grace and force, rigidity and fluidity.
THE village of He Hua in Wenzhou municipality, about 365km (225 miles) south of Shanghai, is a typically bizarre product of China's bipolar economy with its rigid distinction between urban and rural.
