aboutsummaryrefslogtreecommitdiffhomepage
path: root/theories
diff options
context:
space:
mode:
Diffstat (limited to 'theories')
-rw-r--r--theories/Init/Notations.v3
1 files changed, 3 insertions, 0 deletions
diff --git a/theories/Init/Notations.v b/theories/Init/Notations.v
index e67ae6a92..5e8d2faa5 100644
--- a/theories/Init/Notations.v
+++ b/theories/Init/Notations.v
@@ -66,6 +66,9 @@ Reserved Notation "{ x }" (at level 0, x at level 99).
(** Notations for sigma-types or subsets *)
+Reserved Notation "{ A } + { B }" (at level 50, left associativity).
+Reserved Notation "A + { B }" (at level 50, left associativity).
+
Reserved Notation "{ x | P }" (at level 0, x at level 99).
Reserved Notation "{ x | P & Q }" (at level 0, x at level 99).