def Add.tight
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/curve25519/field.bend as Fieldimport Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F
105def Add.tight(+one: Nat, +h1: {one == 1n : Nat}, +a: List<&2, U32>, +b: List<&2, U32>, +ha: {tight(a) == True{} : Bool}, +hb: {tight(b) == True{} : Bool}) -> Type:
106 {tight(F.add(a, b)) == True{} : Bool}