proposition: Lemma another_in d d' : another d d' \in enum X.
proof: Proof. by rewrite mem_enum. 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