25 lines
364 B
Text
25 lines
364 B
Text
|
import data.int data.real
|
|||
|
open algebra nat int rat real
|
|||
|
|
|||
|
example : (1 : ℤ) * (1 : ℤ) = (1 : ℤ) :=
|
|||
|
sorry
|
|||
|
|
|||
|
example : (1 : ℤ) * 1 = 1 :=
|
|||
|
sorry
|
|||
|
|
|||
|
example : (1 : ℝ) * (1 : ℝ) = (1 : ℝ) :=
|
|||
|
sorry
|
|||
|
|
|||
|
example : (1 : ℝ) * 1 = 1 :=
|
|||
|
sorry
|
|||
|
|
|||
|
variable x : ℝ
|
|||
|
variable a : ℤ
|
|||
|
variable n : ℕ
|
|||
|
|
|||
|
example : x + a + n + 1 = 1 :=
|
|||
|
sorry
|
|||
|
|
|||
|
example : x + 1 = 1 + x :=
|
|||
|
sorry
|