proposition: Lemma DD_fragment_bound : fragment_bound DD_demo (2 * size T).
proof: Proof. exact: (svalP DD_demo_aux). Qed.
imports: mathcomp.ssreflect.ssreflect mathcomp(all_ssreflect) CompDecModal.libs(edone bcase fset base sltype) CompDecModal.CTL(CTL_def dags)