13 lines
150 B
Text
13 lines
150 B
Text
|
open nat
|
||
|
|
|
||
|
|
definition foo := 30
|
||
|
|
|
||
|
|
namespace foo
|
||
|
|
definition x : nat := 10
|
||
|
|
definition y : nat := 20
|
||
|
|
end foo
|
||
|
|
|
||
|
|
export foo
|
||
|
|
|
||
|
|
example : x + y = foo := rfl
|