diff options
Diffstat (limited to 'test-suite/bugs/closed/3709.v')
-rw-r--r-- | test-suite/bugs/closed/3709.v | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/3709.v b/test-suite/bugs/closed/3709.v new file mode 100644 index 00000000..7f01be7a --- /dev/null +++ b/test-suite/bugs/closed/3709.v @@ -0,0 +1,23 @@ +Module NonPrim. + Unset Primitive Projections. + Record hProp := hp { hproptype :> Type }. + Goal forall (h : (Type -> hProp) -> (Type -> hProp)) k f, + (forall y, h y = y) -> + h (fun b : Type => {| hproptype := f b |}) = k. + Proof. + intros h k f H. + etransitivity. + apply H. + admit. + Defined. +End NonPrim. +Module Prim. + Set Primitive Projections. + Record hProp := hp { hproptype :> Type }. + Goal forall (h : (Type -> hProp) -> (Type -> hProp)) k f, + (forall y, h y = y) -> + h (fun b : Type => {| hproptype := f b |}) = k. + Proof. + intros h k f H. + etransitivity. + apply H. |