7 lines
207 B
Text
7 lines
207 B
Text
set_option new_elaborator true
|
|
|
|
definition symm {A : Type} : Π {a b : A}, a = b → b = a
|
|
| a .a rfl := rfl
|
|
|
|
definition trans {A : Type} : Π {a b c : A}, a = b → b = c → a = c
|
|
| a .a .a rfl rfl := rfl
|