law at2_eq

lawful-bytes@0.1.1.0 · proof_same.bend:571

import Base
import lawful-bytes@0.1.1.0/defs.bend as D
import lawful-bytes@0.1.1.0/bytes.bend as B
import lawful-bytes@0.1.1.0/proof_core.bend as C
import lawful-arrays@0.1.0.0/proof_tree.bend as P

571law at2_eq:
572  for +len: U32
573  for +t: P.Tree<U32>
574  for +i: U32
575  for +j: U32
576  {B.at2(C.BT(len, t), i, j) == (C.BT(len, t), (C.AT(len, t, i), C.AT(len, t, j))) : D.Bytes & (U32 & U32)}