law wn

lawful-fields@0.1.1.0 · proof_cut.bend:352

import Base
import lawful-fields@0.1.1.0/defs.bend as F

352law wn:
353  for +es: List<&2, U32>
354  for +a: Nat
355  for +b: Nat
356  {F.within(es, a, b) == WN(F.nats(es), a, b) : Bool}