proposition: Lemma b_neq_c : b != c.
proof: Proof. by apply/eqP => /enum_val_inj. Qed.
imports: Reals Lra mathcomp(all_ssreflect ssralg ssrnum) mathcomp(mathcomp_extra reals Rstruct) infotheo(ssrR realType_ext Reals_ext proba) monae_lib hierarchy monad_lib fail_lib proba_lib