What's the plural form of deontic logic? Here's the word you're looking for.
Answer
The noun deontic logic can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be deontic logic.
However, in more specific contexts, the plural form can also be deontic logics e.g. in reference to various types of deontic logics
or a collection of deontic logics.