we all have a duty to avoid paying tax where possible.
no no no - you have a duty to pay tax when it is owed ( the tax man has a right to collect it) and the court will enforce it. duty and right are connected
we have a power to avoid paying tax
I have no idea where NJ was during his lecture on Hohelf and juridical correlatives
https://en.wikipedia.org/wiki/Wesley_Newcomb_Hohfeld
key quote for slow AB readers
respected jurists conflate various meanings of the term right, sometimes switching senses of the word several times in a single sentence.