diff options
Diffstat (limited to 'theories/QArith/Qpower.v')
-rw-r--r-- | theories/QArith/Qpower.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/QArith/Qpower.v b/theories/QArith/Qpower.v index 3fd78f092..010782209 100644 --- a/theories/QArith/Qpower.v +++ b/theories/QArith/Qpower.v @@ -90,7 +90,7 @@ rewrite Qinv_power. reflexivity. Qed. -Lemma Qinv_power_n : forall n p, (1#p)^n == /(inject_Z ('p))^n. +Lemma Qinv_power_n : forall n p, (1#p)^n == /(inject_Z (Zpos p))^n. Proof. intros n p. rewrite Qmake_Qdiv. @@ -190,7 +190,7 @@ unfold Z.succ. rewrite Zpower_exp; auto with *; try discriminate. rewrite Qpower_plus' by discriminate. rewrite <- IHn by discriminate. -replace (a^'n*a^1)%Z with (a^'n*a)%Z by ring. +replace (a^Zpos n*a^1)%Z with (a^Zpos n*a)%Z by ring. ring_simplify. reflexivity. Qed. |