fact: Definition fix_of_singleton_bnd_helper (xi : FF) (n : Z) := Zeq_bool (Fnum (lower xi)) (Fnum (upper xi)) && Zeq_bool (Fexp (lower xi)) (Fexp (upper xi)) && Zle_bool n (Fexp (lower xi)).
imports: Flocq(Core Sterbenz) Gappa_common Gappa_round_aux