proposition: Lemma fulfillAG_fun_mono s S : monotone (fulfillAG_fun s S).
proof: Proof. move => X Y /subP XsubY. apply: sep_sub (subxx _) _ => C inS. apply: sub_has => D. case: (_ C D) => //=. case: (D |> s^-) => //=. exact: XsubY. Qed.
imports: Relations mathcomp.ssreflect.ssreflect mathcomp(all_ssreflect) CompDecModal.libs(edone bcase fset base sltype) CompDecModal.Kstar(Kstar_def)