"such a criterion" is correct and commonly used in written English.
It is typically used to refer to a specific standard or rule that has been mentioned or implied previously in the sentence or context. Example: "The company adheres to strict ethical standards, and such a criterion is reflected in all of their business practices." Here, "such a criterion" refers to the mentioned ethical standard. It can also be used in a comparative sense, as in: Example: "Among all the options, this one meets such a criterion most closely." In this sentence, "such a criterion" compares the given option to the criteria set in the context.
Such a criterion is much narrower than the "public interest", says the government.
A somewhat unconventional understanding of human rights furnishes a promising candidate for such a criterion.
In fact, the chief reason she was still alive, six months after collapsing, was that such a criterion existed.
By such a criterion, gospels that seemed to disregard his humanity (e.g., Gospel of Thomas, the Gospel of Peter) were judged heretical.
Such a criterion allows us to obtain heat kernel bounds for operators or systems with uniformly continuous or vmo coefficients.
Such a criterion contributes to paralysis in water and sewage treatment, the lack of which is the primary cause of infant mortality in Brazil.
Contrary to received consequentialist and contractualist theories, such a criterion must differentiate among the various ways in which social institutions may affect the lives of individuals (e.g. by mandating, authorizing, or insufficiently deterring given harms).
That faculty cannot ever be wholly imprisoned in words, much less upon such a criterion as what are only technical, what substantial rights; and what really affects the latter hurtfully.
Justice Rutledge continued: "That faculty cannot ever be wholly imprisoned in words, much less upon such a criterion as what are only technical, what substantial rights; and what really affects the latter hurtfully.
Such a criterion should not only be a convex but also a smooth function of stress state; the latter to avoid singularities and to ensure the numerical stability.
At the very least, however, the two founders will come under pressure to show Wall Street that they have the financial discipline to operate as Buffet does, confining their investments to ventures that have a real chance of showing a decent financial return, and selling or shutting down ventures that don't meet such a criterion.
