Section GeneralMonotonicity.
Variable gf: rel -> rel.

Lemma gpaco1_mon_bot (gf' clo clo': rel -> rel) x0 r' rg'
(IN: @gpaco1 gf clo bot1 bot1 x0)
(gf_mon: monotone1 gf)
(LEgf: gf <2= gf')
(LEclo: clo <2= clo'):
@gpaco1 gf' clo' r' rg' x0.