law esum
import lawful-bytes@0.1.1.0/proof_fast_append.bend as ProofFastAppendimport Base
1359# l1 + (n - h) = ld + n.
1360law esum:
1361 for +ld: U32
1362 for +l1: U32
1363 for +n: U32
1364 for +el: {U32.to_nat(l1) == Nat.add(U32.to_nat(ld), U32.to_nat(HH(ld, n))) : Nat}
1365 {Nat.add(U32.to_nat(l1), U32.to_nat(NPw(ld, n))) == Nat.add(U32.to_nat(ld), U32.to_nat(n)) : Nat}