X-Git-Url: http://git.megacz.com/?p=coq-hetmet.git;a=blobdiff_plain;f=src%2FHaskKinds.v;h=d575d12da0d535351ff97076143bdc5b073ae7b0;hp=b61ed0752aac28ba04e694ac19bbd889d8d90c8f;hb=489b12c6c491b96c37839610d33fbdf666ee527f;hpb=97552c1a6dfb32098d4491951929ab1d4aca96a0

diff --git a/src/HaskKinds.v b/src/HaskKinds.v
index b61ed07..d575d12 100644
--- a/src/HaskKinds.v
+++ b/src/HaskKinds.v
@@ -12,7 +12,6 @@ Variable Note                : Type.                         Extract Inlined Con
 Variable natToString         : nat         -> string.        Extract Inlined Constant natToString => "natToString".
 Instance NatToStringInstance : ToString nat := { toString := natToString }.
 
-(* Figure 7: production κ, ι *)
 Inductive Kind : Type := 
   | KindStar          : Kind                      (* ★  - the kind of coercions and the kind of types inhabited by [boxed] values *)
   | KindArrow         : Kind  -> Kind  -> Kind    (* ⇛  - type-function-space; things of kind X⇛Y are NOT inhabited by expressions*)
@@ -38,6 +37,10 @@ Instance KindToString : ToString Kind := { toString := kindToString }.
 Notation "'★'"   := KindStar.
 Notation "a ⇛ b" := (KindArrow a b).
 
+(* the kind of environment classifiers *)
+Definition ECKind := ★ ⇛ ★ ⇛ ★.  
+Opaque ECKind.
+
 Fixpoint kindToLatexMath (k:Kind) : LatexMath :=
   match k with
   | ★                            => rawLatexMath "\star"