def bitw.ffs_le_fls.t
import bend-osdev-algo@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-algo@0.1.0.0/algo.bend as A
404def bitw.ffs_le_fls.t(m: Nat) -> {Nat.is_le(1n, A.bitw.fls.step(m, True{})) == True{} : Bool}:
405 match m:
406 case 0n:
407 {==}
408 case 1n+k:
409 {==}