diff options
| -rw-r--r-- | kernel/subtyping.ml | 11 | ||||
| -rw-r--r-- | theories/Numbers/Natural/Abstract/NProperties.v | 2 |
2 files changed, 9 insertions, 4 deletions
diff --git a/kernel/subtyping.ml b/kernel/subtyping.ml index 41f4c640c..2a5f35f1a 100644 --- a/kernel/subtyping.ml +++ b/kernel/subtyping.ml @@ -254,6 +254,8 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 = let con = make_con mp1 empty_dirpath l in let cst = if cb2.const_opaque then + (* In this case we compare opaque definitions, we need to bypass + the opacity and do a delta step*) match cb2.const_body with | None -> cst | Some lc2 -> @@ -262,8 +264,11 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 = | Some lc1 -> let c = Declarations.force lc1 in begin - match (kind_of_term c) with - Const n -> + match (kind_of_term c),(kind_of_term c2) with + Const n1,Const n2 when (eq_constant n1 n2) -> c + (* c1 may have been strenghtened + we need to unfold it*) + | Const n,_ -> let cb = subst_const_body subst1 (lookup_constant n env) in (match cb.const_opaque, @@ -271,7 +276,7 @@ let check_constant cst env mp1 l info1 cb2 spec2 subst1 subst2 = | true, Some lc1 -> Declarations.force lc1 | _,_ -> c) - | _ -> c + | _ ,_-> c end | None -> mkConst con in diff --git a/theories/Numbers/Natural/Abstract/NProperties.v b/theories/Numbers/Natural/Abstract/NProperties.v index f59d5b1e7..2baed54cf 100644 --- a/theories/Numbers/Natural/Abstract/NProperties.v +++ b/theories/Numbers/Natural/Abstract/NProperties.v @@ -17,6 +17,6 @@ Require Export NAxioms NSub. Module Type NPropSig := NSubPropFunct. -Module NPropFunct (N:NAxiomsSig). (* <: NPropSig N. BUG !! *) +Module NPropFunct (N:NAxiomsSig) <: NPropSig N. Include Type NPropSig N. End NPropFunct. |