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

Theorem _paco7_fold: forall r,
gf (upaco7 gf r) <7== paco7 gf r.