Section Arg6.
Variable gf : rel6 T0 T1 T2 T3 T4 T5 -> rel6 T0 T1 T2 T3 T4 T5.
Arguments gf : clear implicits.

Theorem _paco6_unfold: forall (MON: _monotone6 gf) r,
paco6 gf r <6== gf (upaco6 gf r).