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Diffstat (limited to 'theories/Arith/Peano_dec.v')
| -rwxr-xr-x | theories/Arith/Peano_dec.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/Arith/Peano_dec.v b/theories/Arith/Peano_dec.v index 694351b67..e998e0b7c 100755 --- a/theories/Arith/Peano_dec.v +++ b/theories/Arith/Peano_dec.v @@ -9,6 +9,7 @@ (*i $Id$ i*) Require Decidable. +Import nat_scope. Theorem O_or_S : (n:nat)({m:nat|(S m)=n})+{O=n}. Proof. |