14 lines
320 B
Text
14 lines
320 B
Text
|
open nat
|
||
|
|
|
||
|
|
structure point (A B : Type) :=
|
||
|
|
(x : A) (y : B)
|
||
|
|
|
||
|
|
structure foo extends p1 : point nat nat, p2 : point bool bool renaming x→a y→b :=
|
||
|
|
(H1 : point.x p2 = point.y p2) (H2 : point.x p1 + point.y p1 > 10)
|
||
|
|
|
||
|
|
example (s : foo) : foo.a s = foo.b s :=
|
||
|
|
foo.H1 s
|
||
|
|
|
||
|
|
example (s : foo) : foo.x s + foo.y s > 10 :=
|
||
|
|
foo.H2 s
|