Goal:
  
  P : nat -> Prop
  h : forall n : nat, (forall m : nat, m < n -> P m) -> P n
  n : nat
  H : forall m : nat, m < n -> P m
  ============================
   (forall m : nat, m < n -> P m)


DEBUG:Going to execute:
fun => <coq-core.plugins.ltac::assumption@0>