Merge pull request #2335 from jdchristensen/abenriched-pr

AbEnriched: wild categories enriched in abelian groups

Author: jdchristensen

test/WildCat/AbEnriched.v

@@ -0,0 +1,68 @@
+From HoTT Require Import WildCat.SetoidRewrite WildCat.Core WildCat.AbEnriched.
+From HoTT Require Import Basics.Overture.
+
+Local Open Scope mc_add_scope.
+
+(** Test that setoid rewriting works with the additive structure. *)
+
+Definition test1 (A : Type) `{IsAbGroup_0gpd A}
+  {a b c d : A} (p : b $== c) (q : c $== d)
+  : b + a $== d + a.
+Proof.
+  rewrite p.
+  rewrite <- q.
+  reflexivity.
+Defined.
+
+Definition test2 (A : Type) `{IsAbGroup_0gpd A}
+  {a b c d : A} (p : b $== c) (q : c $== d)
+  : a + b $== a + d.
+Proof.
+  rewrite p.
+  rewrite <- q.
+  reflexivity.
+Defined.
+
+Definition test3 (A : Type) `{IsAbGroup_0gpd A}
+  {a b c d : A} (p : a $== c) (q : b $== d)
+  : a - b $== c - d.
+Proof.
+  rewrite p.
+  rewrite <- q.
+  reflexivity.
+Defined.
+
+Definition test4 (A : Type) `{IsAbGroup_0gpd A}
+  {a b : A} (p : a $== b)
+  : - a $== - b.
+Proof.
+  rewrite p.
+  reflexivity.
+Defined.
+
+(** Test rewriting just on LHS of a sum. *)
+Definition test5 (A : Type) `{IsAbGroup_0gpd A}
+  {a b c : A} (p : a $== b)
+  : a + c $== b + c.
+Proof.
+  rewrite p.
+  reflexivity.
+Defined.
+
+(** Test rewriting just on RHS of a sum. *)
+Definition test6 (A : Type) `{IsAbGroup_0gpd A}
+  {a b c : A} (p : a $== b)
+  : c + a $== c + b.
+Proof.
+  rewrite p.
+  reflexivity.
+Defined.
+
+(** Test rewriting simultaneously on both sides of a sum. *)
+Definition test7 (A : Type) `{IsAbGroup_0gpd A}
+  {a b : A} (p : a $== b)
+  : a + a $== b + b.
+Proof.
+  rewrite p.
+  reflexivity.
+Defined.

theories/WildCat.v

@@ -18,6 +18,7 @@ Require Export WildCat.Coproducts.
 Require Export WildCat.Displayed.
 Require Export WildCat.DisplayedEquiv.
 Require Export WildCat.Pullbacks.
+Require Export WildCat.AbEnriched.
 
 Require Export WildCat.SetoidRewrite.