15 lines
244 B
Plaintext
15 lines
244 B
Plaintext
|
import Mathlib.Data.Real.Basic
|
|||
|
|
|
|||
|
|
/-! # Common.Real.Int
|
|||
|
|
|
|||
|
|
Additional theorems and definitions useful in the context of integers.
|
|||
|
|
-/
|
|||
|
|
|
|||
|
|
namespace Real
|
|||
|
|
|
|||
|
|
/--
|
|||
|
|
Check whether a real number is an integer.
|
|||
|
|
-/
|
|||
|
|
def isInt (x : ℝ) := x = Int.floor x
|
|||
|
|
|
|||
|
|
end Real
|