"categorical in" is not a grammatically correct phrase to use in a sentence.
It is possible that you may be thinking of the phrase "certain in" or "categorically in," which would be correct and usable in written English. Here are two examples of using those phrases correctly: 1. "I am certain in my decision to take the job offer." 2. "The evidence presented was categorically in favor of the accused."
To say that moral requirements are categorically prescriptive is to say that these reasons are categorical in the sense of Kant's categorical imperatives.
He is categorical in his denial that any of the England players tweeted from the account.
Kilar, though, is categorical in asserting that Vessel should be seen as complementary to YouTube, not a replacement for it.
He is categorical in defending the delivery of free online news, describing it as "utterly non-negotiable".
Dr. ElBaradei's most recent report to his agency's 35-country board last month is less categorical in its conclusions than the American finding.
The consultant's report is pretty categorical in saying there is an issue here and I recommend the following medication," he told the Guardian.
The possibility is not excluded that a theory may be categorical in some infinite cardinality.
Ms. Kwuon, interviewed separately, is slightly less categorical in her analysis.
In public, officials have recently become less categorical in denying the possibility of a yuan devaluation.
According to a central discovery made in 1963 by the American mathematician Michael Morley, if a theory is categorical in any uncountable cardinality (i.e., any cardinality higher than the countable), then it is categorical in every uncountable cardinality.
A theorem that is generally regarded as one of the most difficult to prove in model theory is the theorem by Michael Morley, as follows: A theory that is categorical in one uncountable cardinality is categorical in every uncountable cardinality.
