diff options
Diffstat (limited to 'test-suite/micromega/square.v')
| -rw-r--r-- | test-suite/micromega/square.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test-suite/micromega/square.v b/test-suite/micromega/square.v index b78bba25..4c00ffe4 100644 --- a/test-suite/micromega/square.v +++ b/test-suite/micromega/square.v @@ -20,7 +20,7 @@ Proof. intros [n [p [Heq Hnz]]]; pose (n' := Zabs n); pose (p':=Zabs p). assert (facts : 0 <= Zabs n /\ 0 <= Zabs p /\ Zabs n^2=n^2 /\ Zabs p^2 = p^2) by auto. -assert (H : (0 < n' /\ 0 <= p' /\ n' ^2 = 2* p' ^2)) by +assert (H : (0 < n' /\ 0 <= p' /\ n' ^2 = 2* p' ^2)) by (destruct facts as [Hf1 [Hf2 [Hf3 Hf4]]]; unfold n', p' ; psatz Z 2). generalize p' H; elim n' using (well_founded_ind (Zwf_well_founded 0)); clear. intros n IHn p [Hn [Hp Heq]]. @@ -55,7 +55,7 @@ Theorem sqrt2_not_rational : ~exists x:Q, x^2==2#1. Proof. unfold Qeq; intros [x]; simpl (Qden (2#1)); rewrite Zmult_1_r. intros HQeq. - assert (Heq : (Qnum x ^ 2 = 2 * ' Qden x ^ 2%Q)%Z) by + assert (Heq : (Qnum x ^ 2 = 2 * ' Qden x ^ 2%Q)%Z) by (rewrite QnumZpower in HQeq ; rewrite QdenZpower in HQeq ; auto). assert (Hnx : (Qnum x <> 0)%Z) by (intros Hx; simpl in HQeq; rewrite Hx in HQeq; discriminate HQeq). |