Bits.bv_and: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/proofs/math/random/bits.bend as Bits
Lines 60-67 of bend-collections-laws-crypto@1.0.0.0/proofs/math/random/bits.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/math/random/bits.bend&start_line=60&end_line=67

import Base

def bv_and(+x: Bool, +y: Bool) -> {bv(Bool.and(x, y)) == Nat.mul(bv(x), bv(y)) : Nat}:
  match x y:
    case True{} True{}:
      {==}
    case True{} False{}:
      {==}
    case False{} _:
      {==}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=bend-collections-laws-crypto@1.0.0.0/proofs/math/random/bits.bend&name=bv