diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/ring/NArithRing.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/contrib/ring/NArithRing.v b/contrib/ring/NArithRing.v index 018503dc8a..65814a1400 100644 --- a/contrib/ring/NArithRing.v +++ b/contrib/ring/NArithRing.v @@ -30,9 +30,9 @@ Save. Definition NTheory : (Semi_Ring_Theory Nplus Nmult (Pos xH) Nul Neq). Split. Apply Nplus_comm. - Symmetry; Apply Nplus_assoc. + Apply Nplus_assoc. Apply Nmult_comm. - Symmetry; Apply Nmult_assoc. + Apply Nmult_assoc. Apply Nplus_0_l. Apply Nmult_1_l. Apply Nmult_0_l. |