Num.sc_mono: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend as Num
Lines 93-96 of bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend&start_line=93&end_line=96

import Base
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/lib/arith.bend as AR

# 2^a <= 2^b for a <= b, with b = d + a
def sc_mono(+d: Nat, +a: Nat, +x: Nat) -> {Nat.is_le(WD.sc(a, x), WD.sc(Nat.add(d, a), x)) == True{} : Bool}:
  %sc_sc(d, a, x) : {Nat.is_le(WD.sc(a, x), _) == True{} : Bool}
  AR.le_sc(d, WD.sc(a, x))

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_le
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/crypto/curve25519/num.bend&name=sc_sc
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/arith.bend&name=le_sc
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/lib/word.bend&name=sc