Created
April 6, 2011 14:33
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diff --git a/src/categories/cat.v b/src/categories/cat.v | |
index 6a5ef1e..65d38e7 100644 | |
--- a/src/categories/cat.v | |
+++ b/src/categories/cat.v | |
@@ -11,12 +11,7 @@ Record Object := object | |
; Category_inst: Category obj }. | |
Implicit Arguments object [[Arrows_inst] [Equiv_inst] [CatId_inst] [CatComp_inst] [Category_inst]]. | |
-Existing Instance Arrows_inst. | |
-Existing Instance Equiv_inst. | |
-Existing Instance CatId_inst. | |
-Existing Instance CatComp_inst. | |
-Existing Instance Category_inst. | |
- (* Todo: Ask mattam for [Existing Instance foo bar bas.] *) | |
+Existing Instances Arrows_inst Equiv_inst CatId_inst CatComp_inst Category_inst. | |
(* The above would be much more elegantly written as | |
@@ -30,8 +25,7 @@ Record Arrow (x y: Object): Type := arrow | |
; Functor_inst: Functor map_obj _ }. | |
Implicit Arguments arrow [[x] [y]]. | |
-Existing Instance Fmap_inst. | |
-Existing Instance Functor_inst. | |
+Existing Instances Fmap_inst Functor_inst. | |
Instance: Arrows Object := Arrow. | |
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