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-rw-r--r--theories/PArith/BinPos.v4
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/PArith/BinPos.v b/theories/PArith/BinPos.v
index 4570fde72..ec18d8dc5 100644
--- a/theories/PArith/BinPos.v
+++ b/theories/PArith/BinPos.v
@@ -626,12 +626,12 @@ Proof.
induction q as [ | p q IHq ].
apply eq_dep_eq_positive.
cut (1=1). pattern 1 at 1 2 5, q'. destruct q'. trivial.
- destruct p0; intros; discriminate.
+ destruct p; intros; discriminate.
trivial.
apply eq_dep_eq_positive.
cut (Psucc p=Psucc p). pattern (Psucc p) at 1 2 5, q'. destruct q'.
intro. destruct p; discriminate.
- intro. unfold p0 in H. apply Psucc_inj in H.
+ intro. apply Psucc_inj in H.
generalize q'. rewrite H. intro.
rewrite (IHq q'0).
trivial.