def s_v

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/limbs.bend:224

import Base
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/nat.bend as N
import bend-collections-laws-crypto@1.0.0.0/proofs/lib/word.bend as WD

224def s_v(+one: Nat, +h1: {one == 1n : Nat}, +x: U32, +c: U32, +hx: {Nat.is_le(v(x), WD.sc(28n, one)) == True{} : Bool}, +hc: {Nat.is_le(v(c), WD.sc(21n, one)) == True{} : Bool}) -> {v(U32.add(x, c)) == Nat.add(v(x), v(c)) : Nat}:
225  add_v(one, h1, x, c, N.lt_trans(Nat.add(v(x), v(c)), WD.sc(29n, one), WD.sc(32n, one), s_lt(one, h1, x, c, hx, hc), sc_lt(2n, 29n, one, h1)))