diff options
Diffstat (limited to 'contrib')
| -rw-r--r-- | contrib/ring/Setoid_ring_theory.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/ring/Setoid_ring_theory.v b/contrib/ring/Setoid_ring_theory.v index ffb44d0d3d..3456b10514 100644 --- a/contrib/ring/Setoid_ring_theory.v +++ b/contrib/ring/Setoid_ring_theory.v @@ -39,7 +39,7 @@ Notation "- x" := (Aopp x) (at level 3). Variable plus_morph : (a,a0,a1,a2:A) a == a0 -> a1 == a2 -> a+a1 == a0+a2. Variable mult_morph : (a,a0,a1,a2:A) a == a0 -> a1 == a2 -> a*a1 == a0*a2. -Variable opp_morph : (a,a0:A) a == a0 -> -a == -a1. +Variable opp_morph : (a,a0:A) a == a0 -> -a == -a0. Add Morphism Aplus : Aplus_ext. Exact plus_morph. |