law shrn_lt_words
import lawful-words@0.1.0.0/proof_u32.bend as ProofU32import Base
1238law shrn_lt_words:
1239 for +i: U32
1240 for +w: U32
1241 for +k: Nat
1242 for +h: {Nat.is_lt(U32.to_nat(i), Nat.mul(Nat.pow(2n, k), U32.to_nat(w))) == True{} : Bool}
1243 {U32.is_lt(U32.shrn(i, k), w) == True{} : Bool}