[r6rs-discuss] [Formal] Equivalence predicate version of memp

[John Cowan]

Carl Eastlund scripsit:

> While I have no strong objection to any of these names, I wonder why
> the names of these boolean-producing procedures do not end in '?' as
> per the stated naming conventions.

"exists" at least does not always return #t or #f.

-- 
They do not preach                              John Cowan
  that their God will rouse them                cowan at ccil.org
    A little before the nuts work loose.        http://www.ccil.org/~cowan
They do not teach
  that His Pity allows them                         --Rudyard Kipling,
    to drop their job when they damn-well choose.   "The Sons of Martha"