def cr_cb
bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/curve25519/fold.bend:122
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/fold.bend as Fold
import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/curve25519/field.bend as F
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
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/limbs.bend as LM
122def cr_cb(+one: Nat, +h1: {one == 1n : Nat}, +xs: List<&2, U32>, +hx: {LM.okb(32n, xs, WD.sc(28n, one)) == True{} : Bool}) -> {Nat.is_le(v(LM.cc(F.carry(xs, 0))), WD.sc(21n, one)) == True{} : Bool}:
123 LM.carry_cb(one, h1, xs, 0, LM.okb_lea(32n, xs, WD.sc(28n, one), hx), N.zero_le(WD.sc(21n, one)))