intro.
replace in \vdash (? ? (? ? %) (? % %)) with x.
reflexivity.
- rewrite < mult_n_O x.
- rewrite < plus_n_O x.
+ rewrite < (mult_n_O x).
+ rewrite < (plus_n_O x).
reflexivity.
reflexivity.
auto.
(* This test tests "replace in match t" where t contains some metavariables *)
theorem t2: 2 + (3 * 4) = (5 + 5) + 2 * 2.
- replace in match 5+? with 6 + 4; [reflexivity | reflexivity].
+ replace in match (5+?) with (6 + 4); [reflexivity | reflexivity].
qed.