blob: a80e1dd609b1d3de8af969bce5f87c6e70f3fd57 (
plain)
1
2
3
4
5
6
7
8
9
|
Require Import ZArith.
Require Import Arith.
Open Scope Z_scope.
Theorem r_ex : (forall x y:nat, x + y = x + y)%nat.
Admitted.
Theorem r_ex' : forall x y:nat, (x + y = x + y)%nat.
Admitted.
|