Section Arg11.
Variable gf : rel11 T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 -> rel11 T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10.
Arguments gf : clear implicits.

Theorem _paco11_fold: forall r,
gf (upaco11 gf r) <11== paco11 gf r.