4 | (cons x y) \Rightarrow (cons x y) ]
5 ### (* METASENV after disambiguation *)
7 ### (* TERM after disambiguation *)
9 <[x:list]list>Cases nil of
11 cons => [x:A][y:list](cons x y)
13 ### (* TYPE_OF the disambiguated term *)
15 ### (* REDUCED disambiguated term *)