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Diffstat (limited to 'theories/Arith/Compare.v')
| -rwxr-xr-x | theories/Arith/Compare.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/Arith/Compare.v b/theories/Arith/Compare.v index f98115e6b..5b12033dc 100755 --- a/theories/Arith/Compare.v +++ b/theories/Arith/Compare.v @@ -9,6 +9,7 @@ (*i $Id$ i*) (** Equality is decidable on [nat] *) +Import nat_scope. Lemma not_eq_sym : (A:Set)(p,q:A)(~p=q) -> ~(q=p). Proof sym_not_eq. |