I ought to know who I am

[Alexey86]

Unfortunately, I don't have a copy of CGEL. Can you tell me what H&P say about the primacy of the deontic use?

 

[jutfrank]

As a footnote, I think it's also worth remembering that Carroll (Dodgson) was a professor of mathematics.

Yes, and particularly interested in logic, both mathematical and linguistic.

 

[5jj]

As a footnote, I think it's also worth remembering that Carroll (Dodgson) was a professor of mathematics.

Not in BrE, where the title of professor is reserved for university lecturers of very high status. Dodgson was a lecturer in mathematics.