diff --git a/program_logic/viewshifts.v b/program_logic/viewshifts.v
index 02f910142868835e4e4fa17e90ca33621ceb3ea5..7fdd6ca05604eb642c6b81ddee61d5deb0757a23 100644
--- a/program_logic/viewshifts.v
+++ b/program_logic/viewshifts.v
@@ -12,6 +12,13 @@ Notation "P ={ E }=> Q" := (P ={E,E}=> Q)%I
   (at level 99, E at level 50, Q at level 200,
    format "P  ={ E }=>  Q") : uPred_scope.
 
+Notation "P ={ E1 , E2 }â–·=> Q" := (P ={E1%I,E2%I}=> â–· |={E2,E1}=> Q)%I
+  (at level 99, E1, E2 at level 50, Q at level 200,
+   format "P ={ E1 , E2 }â–·=>  Q") : uPred_scope.
+Notation "P ={ E }â–·=> Q" := (P ={E,E}â–·=> Q)%I
+  (at level 99, E at level 50, Q at level 200,
+   format "P ={ E }â–·=>  Q") : uPred_scope.
+
 Section vs.
 Context `{irisG Λ Σ}.
 Implicit Types P Q R : iProp Σ.