- | C.Lambda (_, s1, t1), C.Lambda (_, s2, t2)
- | C.LetIn (_, s1, t1), C.LetIn (_, s2, t2) ->
+ | C.Lambda (_, s1, t1), C.Lambda (_, s2, t2) ->
+ let table = aux table s1 s2 in
+ aux table t1 t2
+ | C.LetIn (_, s1, ty1, t1), C.LetIn (_, s2, ty2, t2) ->