Section Arg7.
Variable gf : rel7 T0 T1 T2 T3 T4 T5 T6 -> rel7 T0 T1 T2 T3 T4 T5 T6.
Arguments gf : clear implicits.

Corollary paco7_mult: forall r,
paco7 gf (paco7 gf r) <7= paco7 gf r.