proposition: Lemma wbase2_rec_nat (a:nat) l (H: a < 3): wbase2 (Ordinal H :: l) = a + (wbase2 l).*2.
proof: Proof. by []. 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)