]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambda_delta/Basic_2/grammar/item.ma
- main lemmas about abstract reducibility candidates closed
[helm.git] / matita / matita / contribs / lambda_delta / Basic_2 / grammar / item.ma
index 56c5a2b8c1ef9738a638a05b144a31e1b8076fb7..89f1a94e4d2eef0997f041f93bf099c4539d6920 100644 (file)
 (*                                                                        *)
 (**************************************************************************)
 
-(* THE FORMAL SYSTEM λδ - MATITA SOURCE FILES
- * Specification started: 2011 April 17
- * Confluence of context-sensitive parallel reduction closed: 2011 September 21
- * Confluence of context-free parallel reduction closed: 2011 September 6
- * - Patience on me so that I gain peace and perfection! -
- * [ suggested invocation to start formal specifications with ]
- *)
-
-include "Ground_2/list.ma".
+include "Ground_2/arith.ma".
 include "Basic_2/notation.ma".
 
 (* ITEMS ********************************************************************)
@@ -46,13 +38,13 @@ inductive flat2: Type[0] ≝
 
 (* binary items *)
 inductive item2: Type[0] ≝
-  | Bind: bind2 → item2 (* binding item *)
-  | Flat: flat2 → item2 (* non-binding item *)
+  | Bind2: bind2 → item2 (* binding item *)
+  | Flat2: flat2 → item2 (* non-binding item *)
 .
 
-coercion item2_of_bind2: ∀I:bind2.item2 ≝ Bind on _I:bind2 to item2.
+coercion item2_of_bind2: ∀I:bind2.item2 ≝ Bind2 on _I:bind2 to item2.
 
-coercion item2_of_flat2: ∀I:flat2.item2 ≝ Flat on _I:flat2 to item2.
+coercion item2_of_flat2: ∀I:flat2.item2 ≝ Flat2 on _I:flat2 to item2.
 
 (* Basic properties *********************************************************)