diff options
Diffstat (limited to 'contrib/setoid_ring/newring.ml4')
| -rw-r--r-- | contrib/setoid_ring/newring.ml4 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/contrib/setoid_ring/newring.ml4 b/contrib/setoid_ring/newring.ml4 index bce41b9b5f..6ed79f23b7 100644 --- a/contrib/setoid_ring/newring.ml4 +++ b/contrib/setoid_ring/newring.ml4 @@ -527,7 +527,7 @@ let ring_equality (r,add,mul,opp,req) = (setoid,op_morph) | _ -> let setoid = setoid_of_relation (Global.env ()) r req in - let signature = [Some (r,req);Some (r,req);Some(r,req)] in + let signature = [Some (r,req);Some (r,req)],Some(r,req) in let add_m, add_m_lem = try Class_tactics.default_morphism signature add with Not_found -> @@ -540,7 +540,7 @@ let ring_equality (r,add,mul,opp,req) = match opp with | Some opp -> (let opp_m,opp_m_lem = - try Class_tactics.default_morphism (List.tl signature) opp + try Class_tactics.default_morphism ([Some(r,req)],Some(r,req)) opp with Not_found -> error "ring opposite should be declared as a morphism" in let op_morph = @@ -1035,7 +1035,7 @@ let field_equality r inv req = mkApp((Coqlib.build_coq_eq_data()).congr,[|r;r;inv|]) | _ -> let _setoid = setoid_of_relation (Global.env ()) r req in - let signature = [Some (r,req);Some(r,req)] in + let signature = [Some (r,req)],Some(r,req) in let inv_m, inv_m_lem = try Class_tactics.default_morphism signature inv with Not_found -> |