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Diffstat (limited to 'test-suite/bugs/opened/3509.v')
-rw-r--r-- | test-suite/bugs/opened/3509.v | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test-suite/bugs/opened/3509.v b/test-suite/bugs/opened/3509.v new file mode 100644 index 00000000..02e47a8b --- /dev/null +++ b/test-suite/bugs/opened/3509.v @@ -0,0 +1,18 @@ +Lemma match_bool_fn b A B xT xF +: match b as b return forall x : A, B b x with + | true => xT + | false => xF + end + = fun x : A => match b as b return B b x with + | true => xT x + | false => xF x + end. +admit. +Defined. +Lemma match_bool_comm_1 (b : bool) A B (F : forall x : A, B x) t f +: (if b as b return B (if b then t else f) then F t else F f) + = F (if b then t else f). +admit. +Defined. +Hint Rewrite match_bool_fn : matchdb. +Fail Hint Rewrite match_bool_comm_1 : matchdb. |