def Isqrt.lt_succ
import bend-collections-laws-math@1.0.0.0/spec/math/natural.bend as Naturalimport Base
import bend-collections-laws-math@1.0.0.0/src/math/natural.bend as M
210def Isqrt.lt_succ(+n: Nat) -> Type:
211 {Nat.is_lt(n, Nat.pow(1n+M.isqrt(n), 2n)) == True{} : Bool}