diff options
Diffstat (limited to 'test-suite/bugs/opened/3209.v')
| -rw-r--r-- | test-suite/bugs/opened/3209.v | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/test-suite/bugs/opened/3209.v b/test-suite/bugs/opened/3209.v deleted file mode 100644 index 3203afa1..00000000 --- a/test-suite/bugs/opened/3209.v +++ /dev/null @@ -1,17 +0,0 @@ -Inductive eqT {A} (x : A) : A -> Type := - reflT : eqT x x. -Definition Bi_inv (A B : Type) (f : (A -> B)) := - sigT (fun (g : B -> A) => - sigT (fun (h : B -> A) => - sigT (fun (α : forall b : B, eqT (f (g b)) b) => - forall a : A, eqT (h (f a)) a))). -Definition TEquiv (A B : Type) := sigT (fun (f : A -> B) => Bi_inv _ _ f). - -Axiom UA : forall (A B : Type), TEquiv (TEquiv A B) (eqT A B). -Definition idtoeqv {A B} (e : eqT A B) : TEquiv A B := - sigT_rect (fun _ => TEquiv A B) - (fun (f : TEquiv A B -> eqT A B) H => - sigT_rect (fun _ => TEquiv A B) - (fun g _ => g e) - H) - (UA A B). |