11 lines
301 B
Text
11 lines
301 B
Text
|
inductive tree.{u} (A : Type.{u}) : Type.{max u 1} :=
|
||
|
|
| node : A → forest.{u} A → tree.{u} A
|
||
|
|
with forest.{u} {A : Type.{u}} : Type.{max u 1} :=
|
||
|
|
| nil : forest.{u} A
|
||
|
|
| cons : tree.{u} A → forest.{u} A → forest.{u} A
|
||
|
|
|
||
|
|
check tree.{1}
|
||
|
|
check forest.{1}
|
||
|
|
check tree_rec.{1 1}
|
||
|
|
check forest_rec.{1 1}
|