Sure, in certain situations like inside of a LAMBDA one might use a LABELS or LETREC (depending on whether you're in Lisp/Scheme land) form to close over the ar

Sure, in certain situations like inside of a LAMBDA one might use a LABELS or LETREC (depending on whether you're in Lisp/Scheme land) form to close over the arguments that don't change between recursions... it's typical to use a short name since no one else will ever see it outside of the function definition.