1 (\lambda f. (f 0 (le_n 0))
2 \lambda n. \lambda H. (refl_equal nat 0)))
3 ### (* METASENV after disambiguation *)
5 ### (* TERM after disambiguation *)
6 ([f:(nat->((le O O)->(eq nat O O)))](f O (le_n O)) [n:nat][H:(le O O)](refl_equal nat O))
7 ### (* TYPE_OF the disambiguated term *)
9 ### (* REDUCED disambiguated term *)