diff options
Diffstat (limited to 'theories/ZArith/Zorder.v')
| -rw-r--r-- | theories/ZArith/Zorder.v | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/theories/ZArith/Zorder.v b/theories/ZArith/Zorder.v index 73dee0cf2..18915216a 100644 --- a/theories/ZArith/Zorder.v +++ b/theories/ZArith/Zorder.v @@ -339,7 +339,7 @@ Notation Zle_0_1 := Z.le_0_1 (compat "8.3"). Lemma Zle_neg_pos : forall p q:positive, Zneg p <= Zpos q. Proof. - easy. + exact Pos2Z.neg_le_pos. Qed. Lemma Zgt_pos_0 : forall p:positive, Zpos p > 0. @@ -350,12 +350,12 @@ Qed. (* weaker but useful (in [Z.pow] for instance) *) Lemma Zle_0_pos : forall p:positive, 0 <= Zpos p. Proof. - easy. + exact Pos2Z.pos_is_nonneg. Qed. Lemma Zlt_neg_0 : forall p:positive, Zneg p < 0. Proof. - easy. + exact Pos2Z.neg_is_neg. Qed. Lemma Zle_0_nat : forall n:nat, 0 <= Z.of_nat n. |