Ethics. the rule of Immanuel Kant that one must do only what one can will that all others should do under similar circumstances.
the unconditional command of conscience.
Everything You Need To Know About ImperativesAn imperative sentence gives a command, demand, or instructions directly to an audience, and typically begins with an action word (or verb). These sentences often appear to lack a subject, or the person, place, or thing that performs the main action. This is because the subject of this type of sentence tends to be the audience that’s being directly addressed or commanded to do something. …
Origin of categorical imperative
First recorded in 1820–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for categorical imperative
(in the ethics of Kant) the unconditional moral principle that one's behaviour should accord with universalizable maxims which respect persons as ends in themselves; the obligation to do one's duty for its own sake and not in pursuit of further endsCompare hypothetical imperative
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