4.839) then triggers the wordplay in [TEXT NOT REPRODUCIBLE IN ASCII], just as the disjunctor of a joke does.
Before I discuss how the humor helps resolve the passage's difficulties, I would point out that jokes often contain elements that at first seem irrelevant, but when viewed in retrospect enhance the humor by anticipating the new sense that the disjunctor gives the connector.
It is set up by what precedes it to be a surprising resolution to a disconcerting, bewildering situation, just like the disjunctor of a joke.
The evidence for this comes from the fact that -mI with the disjunctive function cannot co-occur with the conjunctor ve 'and', and it also seems to be somewhat unacceptable with disjunctors
such as veya or ya da 'or'.