proposition: Lemma AR1 (xm : XM) (dc : DC_ X) P Q w : pAR R P Q w -> cAR R P Q w.
proof: Proof. Proof using R_serial. move => H. apply: (dn xm) => C. apply (dmAR xm) in C. apply (EU1 R_serial dc) in C. exact: pAR_pEU H. Qed.
imports: mathcomp.ssreflect.ssreflect mathcomp(all_ssreflect) CompDecModal.libs(edone bcase fset base modular_hilbert) CompDecModal.CTL(CTL_def hilbert)