Section Distributivity.
Variable gf: rel -> rel.
Hypothesis gf_mon: monotone5 gf.

Lemma gpaco5_dist clo r rg
(CMP: wcompatible5 gf clo)
(DIST: forall r1 r2, clo (r1 \5/ r2) <5= (clo r1 \5/ clo r2)):
gpaco5 gf clo r rg <5= (paco5 gf (rclo5 clo (rg \5/ r)) \5/ rclo5 clo r).