law bt_none
import lawful-bytes@0.1.1.0/proof_fast_w2.bend as ProofFastW2import Base
294law bt_none:
295 for +e0: Bool
296 for +e1: Bool
297 for +e2: Bool
298 for +e3: Bool
299 {Bool.and(Bool.not(e0), Bool.and(Bool.not(e1), Bool.and(Bool.not(e2), Bool.not(e3)))) == Nat.is_eq(R4(e0, e1, e2, e3), 4n) : Bool}