proposition: Lemma sternD_fusc: stern =1 fusc.
proof: Proof. apply: (fusc_unique stern_fusc fusc_rec). Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq choice fintype order bigop ssralg) mathcomp(div ssrnum ssrint rat prime path binomial) mathcomp(tuple finset) gaia(fibm)