proposition: Lemma soundness s : prv s -> forall (M:cmodel) (w:M), eval s w.
proof: Proof. exact: Kstar_def.soundness. Qed.
imports: Relations Lia mathcomp.ssreflect.ssreflect mathcomp(all_ssreflect) CompDecModal.libs(edone bcase fset base modular_hilbert sltype) CompDecModal.Kstar(Kstar_def demo hilbert_ref gen_def gen_ref)