Section GeneralMonotonicity.
Variable gf: rel -> rel.

Lemma gpaco6_mon_gen (gf' clo clo': rel -> rel) x0 x1 x2 x3 x4 x5 r r' rg rg'
(IN: @gpaco6 gf clo r rg x0 x1 x2 x3 x4 x5)
(gf_mon: monotone6 gf)
(LEgf: gf <7= gf')
(LEclo: clo <7= clo')
(LEr: r <6= r')
(LErg: rg <6= rg') :
@gpaco6 gf' clo' r' rg' x0 x1 x2 x3 x4 x5.