def pv
import bend-collections-laws-math@1.0.0.0/proofs/math/typed/u64int.bend as U64intimport Base
import bend-collections-laws-math@1.0.0.0/src/math/natural.bend as M
import bend-collections-laws-math@1.0.0.0/src/math/u64.bend as WU
554def pv(p: WU.U64 & WU.U64) -> M.Bezout:
555 (+g, +s) = p
556 M.BZ{v(g), v(s)}