fact: Definition hvec_ind (P : ∏ n (v: vec UU n), hvec v → UU) : P 0 [()] [()] → (∏ X x n (v: vec UU n) (hv : hvec v), P n v hv → P (S n) (vcons X v) (x ::: hv)) → (∏ n (v: vec UU n) (hv : hvec v), P n v hv).
imports: UniMath.Foundations.All UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.Vectors