diff options
Diffstat (limited to 'test-suite/bugs/closed/shouldsucceed/2473.v')
-rw-r--r-- | test-suite/bugs/closed/shouldsucceed/2473.v | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/2473.v b/test-suite/bugs/closed/shouldsucceed/2473.v new file mode 100644 index 00000000..4c302512 --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/2473.v @@ -0,0 +1,39 @@ + +Require Import Relations Program Setoid Morphisms. + +Section S1. + Variable R: nat -> relation bool. + Instance HR1: forall n, Transitive (R n). Admitted. + Instance HR2: forall n, Symmetric (R n). Admitted. + Hypothesis H: forall n a, R n (andb a a) a. + Goal forall n a b, R n b a. + intros. + (* rewrite <- H. *) (* Anomaly: Evar ?.. was not declared. Please report. *) + (* idem with setoid_rewrite *) +(* assert (HR2' := HR2 n). *) + rewrite <- H. (* ok *) + admit. + Qed. +End S1. + +Section S2. + Variable R: nat -> relation bool. + Instance HR: forall n, Equivalence (R n). Admitted. + Hypothesis H: forall n a, R n (andb a a) a. + Goal forall n a b, R n a b. + intros. rewrite <- H. admit. + Qed. +End S2. + +(* the parametrised relation is required to get the problem *) +Section S3. + Variable R: relation bool. + Instance HR1': Transitive R. Admitted. + Instance HR2': Symmetric R. Admitted. + Hypothesis H: forall a, R (andb a a) a. + Goal forall a b, R b a. + intros. + rewrite <- H. (* ok *) + admit. + Qed. +End S3.
\ No newline at end of file |