10 lines
197 B
Text
10 lines
197 B
Text
new_frontend
|
|
|
|
def fib : Nat → Nat
|
|
| 0 => 1
|
|
| 1 => 1
|
|
| n+2 => fib n + fib (n+1)
|
|
|
|
example : fib 0 = 1 := rfl
|
|
example : fib 1 = 1 := rfl
|
|
example (n : Nat) : fib (n+2) = fib n + fib (n+1) := rfl
|