$ sbcl * (defun nil (x y) (+ x y)) * (nil 3 4) 7 And there's really no way to systematically account for what may or may not be in the namespace wi

$ sbcl * (defun nil (x y) (+ x y)) * (nil 3 4) 7 And there's really no way to systematically account for what may or may not be in the namespace without completely missing the point of homoiconicity.