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authorGravatar Jason Gross <jagro@google.com>2016-07-29 11:49:36 -0700
committerGravatar Jason Gross <jagro@google.com>2016-07-29 11:49:36 -0700
commitf4e85257de36e77fa45f1e60e4cfea8b3378f4f8 (patch)
tree9a5f2408cb56573c04d7a21dd622de680486d1b8
parentc701e6c51faf237dfbd097a81b7a08c92ea1f242 (diff)
Make IsIso a class
-rw-r--r--src/Util/Isomorphism.v6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/Util/Isomorphism.v b/src/Util/Isomorphism.v
index a02afc3bf..0e6553dcd 100644
--- a/src/Util/Isomorphism.v
+++ b/src/Util/Isomorphism.v
@@ -1,4 +1,8 @@
-Record IsIso {A B} (f : A -> B) :=
+Class IsIso {A B} (f : A -> B) :=
{ iso_inv : B -> A;
is_right_inv : forall x, f (iso_inv x) = x;
is_left_inv : forall x, iso_inv (f x) = x }.
+
+Arguments iso_inv {_ _} _ {_} _.
+Arguments is_right_inv {_ _} _ {_} _.
+Arguments is_left_inv {_ _} _ {_} _.