Section Distributivity.
Variable gf: rel -> rel.
Hypothesis gf_mon: monotone2 gf.

Lemma gpaco2_dist clo r rg
(CMP: wcompatible2 gf clo)
(DIST: forall r1 r2, clo (r1 \2/ r2) <2= (clo r1 \2/ clo r2)):
gpaco2 gf clo r rg <2= (paco2 gf (rclo2 clo (rg \2/ r)) \2/ rclo2 clo r).