proposition: Remark RC : F_ alpha <<= F_ (E0_succ alpha).
proof: Proof. intro n; destruct n. repeat rewrite F_alpha_0_eq. auto with arith. apply Nat.lt_le_incl. apply RD. auto with arith. Qed.
imports: hydras(Iterates Simple_LexProd Exp2) hydras(E0 Canon Paths primRec Hprime) Coq(ArithRing Lia) Compat815 Equations(Equations) hydras(primRec)