22 lines
354 B
Text
22 lines
354 B
Text
import logic algebra.function
|
|
open function bool
|
|
|
|
|
|
constant f : num → bool
|
|
constant g : num → num
|
|
|
|
check f ∘ g ∘ g
|
|
|
|
check typeof id : num → num
|
|
|
|
constant h : num → bool → num
|
|
|
|
check flip h
|
|
check flip h ff num.zero
|
|
|
|
check typeof flip h ff num.zero : num
|
|
|
|
constant f1 : num → num → bool
|
|
constant f2 : bool → num
|
|
|
|
check (f1 on f2) ff tt
|