fact: Definition ra_beta : recalg 2.
imports: Arith Lia Undecidability.Shared.Libs.DLW.Utils(utils_tac utils_nat gcd crt sums) Undecidability.Shared.Libs.DLW.Vec(pos vec) Undecidability.MuRec.Util(recalg recomp beta ra_utils ra_recomp)