def high_zero

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/xbits.bend:32

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/lib/common.bend as C

32def high_zero(+t: Nat) -> {C.high(t, 0n) == 0n : Nat}:
33  match t:
34    case 0n:
35      {==}
36    case 1n+ +q:
37      high_zero(q)