proposition: Lemma wbase2_tuple_pad k n (l:n.-tuple 'I_3) (H: n <= k): wbase2 (tuple_pad l H) = wbase2 l.
proof: Proof. by rewrite tuple_pad_val wbase2_pad. 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)