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-rw-r--r--theories/Program/Subset.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/Program/Subset.v b/theories/Program/Subset.v
index c8f37318..2a3ec926 100644
--- a/theories/Program/Subset.v
+++ b/theories/Program/Subset.v
@@ -9,6 +9,7 @@
Require Import Coq.Program.Utils.
Require Import Coq.Program.Equality.
+Require Export ProofIrrelevance.
Local Open Scope program_scope.