Section Distributivity.
Variable gf: rel -> rel.
Hypothesis gf_mon: monotone9 gf.

Lemma gpaco9_dist clo r rg
(CMP: wcompatible9 gf clo)
(DIST: forall r1 r2, clo (r1 \9/ r2) <9= (clo r1 \9/ clo r2)):
gpaco9 gf clo r rg <9= (paco9 gf (rclo9 clo (rg \9/ r)) \9/ rclo9 clo r).