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-rw-r--r--proofs/logic.ml4
1 files changed, 4 insertions, 0 deletions
diff --git a/proofs/logic.ml b/proofs/logic.ml
index 82994669b..e7af07dfe 100644
--- a/proofs/logic.ml
+++ b/proofs/logic.ml
@@ -353,6 +353,10 @@ and mk_hdgoals sigma goal goalacc trm =
check_typability env sigma ty;
(mk_goal hyps (nf_betaiota ty))::goalacc,ty
+ | Cast (t,ty) ->
+ check_typability env sigma ty;
+ mk_refgoals sigma goal goalacc ty t
+
| App (f,l) ->
let (acc',hdty) = mk_hdgoals sigma goal goalacc f in
mk_arggoals sigma goal acc' hdty (Array.to_list l)