End ReflectConnectives.
Arguments and6P [b1 b2 b3 b4 b5 b6].
Arguments and7P [b1 b2 b3 b4 b5 b6 b7].
Arguments or5P [b1 b2 b3 b4 b5].
Arguments or6P [b1 b2 b3 b4 b5 b6].
Arguments or7P [b1 b2 b3 b4 b5 b6 b7].
Prenex Implicits and6P and7P or5P or6P or7P.

Lemma iterS g n s1 s2 :
iter' g n.+1 s1 s2 <-> exists s, iter' g n s1 s /\ g s s2.